# Awesome Speakers

> Awesome speakers in the programming and design communities

Let’s make it more transparent and easy to find awesome speakers for meetups and conferences! This list of speakers, their contact details and the topics they talk about is a start towards this goal.

Please add to the list and help make a better-connected, richer community.

## Contents

- Africa
- Asia
- Australia
- Europe
- North America
- South America

# Africa

## Nigeria 🇳🇬

### Lagos

Adebayo Opesanya
Topics: JavaScript, Node.js, TypeScript, Testing, Community
https://twitter.com/mazibayo

Anayo Oleru
Topics: JavaScript, Node.js, TypeScript, Testing, React, Redux, React Native, Open Source, PWAs
https://twitter.com/AnayoOleru

Christian Nwamba
Topics: JavaScript, React, Vue, Angular, PWAs, CSS, Standards
https://twitter.com/codebeast

Ire Aderinokun
Topics: Progressive Web Apps, CSS, Standards
https://twitter.com/ireaderinokun

Otemuyiwa Prosper
Topics: JavaScript, React, Vue, Angular, PWAs, PHP, Laravel
https://twitter.com/unicodeveloper

Shodipo Ayomide
Topics: PHP, JavaScript, React, Vue.js, PWAs, Testing, Open Source, Performance
https://twitter.com/developerayo

## South Africa 🇿🇦

### Johannesburg

Rebecca Franks
Topics: Android, Android Things, Firebase, IoT
https://twitter.com/riggaroo

# Asia

## India 🇮🇳

### Bangalore

Ashrith Kulai
Topics: Progressive Web Apps, Polymer, Web Components, Web Performance, Build Tools
https://twitter.com/ashrith_kulai

Bapusaheb Patil
Topics: Android, Kotlin, Java, Asynchronous Programming, Mobile UX Design, Mobile Performance
https://twitter.com/baps_patil

Kumar Anirudha
Topics: Python, Node.js, Blockchain, Architecture, Cryptocurrency
https://twitter.com/kranirudha

Siddharth Kshetrapal
Topics: CSS, Web Performance, React, CSS in JS, Node, Testing
https://twitter.com/siddharthkp

### Indore

Mohit Rajput
Topics: Android, Java, Kotlin, Flutter, Blockchain
https://twitter.com/MohitRajput987

### Mumbai

Jayesh Katta Ramalingaiah
Topics: Rust, Android, Angular, React, Web VR, Project Things, Common Voice, Web Compatibility
https://twitter.com/jayeshkattar

Manjula Dube
Topics: JavaScript, React, Progressive Web Apps, Node, Testing
https://twitter.com/manjula_dube

Neehar Venugopal
Topics: Code Splitting, Standards
https://twitter.com/neeharv

Sidhartha Chatterjee
Topics: React, Progressive Web Apps, Web Performance
https://twitter.com/chatsidhartha

### New Delhi

Arun Michael Dsouza
Topics: webpack, React, ES6, Tooling, CSS
https://twitter.com/amdsouza92

Avi Aryan
Topics: Mobile Web, PWAs, Flask, Blockchain
https://twitter.com/aviaryan123

## Indonesia 🇮🇩

### Jakarta

Frans Allen
Topics: CDN, Cloud, SaaS, DNS, Web Performance & Security
https://twitter.com/fransallen

## Lebanon 🇱🇧

### Tyre

Sara Soueidan
Topics: Animations, CSS, SVG
https://twitter.com/sarasoueidan

## Pakistan 🇵🇰

### Karachi

Arbaz Pirwani
Topics: Android, Kotlin, Java
https://twitter.com/ArbazPirwani

Eric Bhatti
Topics: Android, Java, Kotlin, Firebase
https://twitter.com/bhattieric

Mashhood Rastgar
Topics: Progressive Web Apps, Angular, Firebase
https://twitter.com/mashhoodr

Muhammad Kamran
Topics: Angular, Redux, RxJS, Flutter, Dart, React Native, JavaScript, TypeScript, Linux
https://twitter.com/smkamranqadri

Narain Sagar
Topics: Angular, JavaScript, TypeScript, Node.js, Docker, Continuous Integration, Tooling, Automation Testing
https://twitter.com/narainsagar

Nasir Hussain
Topics: Web Design, Blockchain, Python, IoT, Continous Integration, Developer Ecosystems
https://twitter.com/_nasirhm_

Wajahat Karim
Topics: Android, Open Source, Java, Kotlin
https://twitter.com/WajahatKarim

## Singapore 🇸🇬

### Singapore

Aysha Anggraini
Topics: CSS, Animations
https://twitter.com/renettarenula

Chen Hui Jing
Topics: CSS
https://twitter.com/hj_chen

Zell Liew
Topics: CSS, JavaScript
https://twitter.com/zellwk

# Australia

## Australia 🇦🇺

### Melbourne

Glen Maddern
Topics: CSS, Styled Components, React, JavaScript
https://twitter.com/glenmaddern

Karolina Szczur
Topics: CSS, HTML, Web, Inclusivity, Diversity
https://twitter.com/fox

Mark Dalgleish
Topics: Design Systems, Web Design
https://twitter.com/markdalgleish

Phil Nash
Topics: JavaScript, Web Development, Progressive Web Apps
https://twitter.com/philnash

### Sydney

Mario Nebl
Topics: JavaScript, Node.js, JS Architecture
https://www.linkedin.com/in/mario-nebl-62b6b3187

# Europe

## Austria 🇦🇹

### Linz

Stefan Baumgartner
Topics: Web Ops, JavaScript, CSS, Tooling
https://twitter.com/ddprrt

### Salzburg

Lisi Linhart
Topics: CSS, Web Animations
https://twitter.com/lisi_linhart

### Vienna

Adrián Bolonio
Topics: React, JavaScript, Accessibility
https://twitter.com/bolonio

Ali Sharif
Topics: Functional Programming, Agile, Product Development
https://twitter.com/sharifsbeat

Andrey Okonetchnikov
Topics: CSS in JS, Linting, Tooling
https://twitter.com/okonetchnikov

Christoph Rumpel
Topics: PHP, Laravel, Chatbots
https://twitter.com/christophrumpel

Eva Lettner
Topics: CSS, Web
https://twitter.com/eva_trostlos

Glenn Reyes
Topics: Code Splitting, React
https://twitter.com/glnnrys

Jan Hruby
Topics: React, Redux, CSS in JS, React Native, Serverless, GraphQL
https://twitter.com/mrozilla

Karl Horky
Topics: Tooling, Standards, Intersectionality, OSS, Psychology
https://twitter.com/karlhorky

Manuel Matuzović
Topics: CSS, Grid, Accessibility
https://twitter.com/mmatuzo

Max Böck
Topics: CSS, JavaScript, Progressive Web Apps
https://twitter.com/mxbck

Max Stoiber
Topics: React, Styled Components, OSS
https://twitter.com/mxstbr

Nik Graf
Topics: ReasonML, Serverless, GraphQL, Virtual Reality, React
https://twitter.com/nikgraf

Oliver Schöndorfer
Topics: Typography, CSS
https://twitter.com/glyphe

Patrick Stapfer
Topics: ReasonML, Static Typing, Flow
https://twitter.com/ryyppy

Peter Ferak
Topics: Functional Programming, Computer Science
https://twitter.com/ferakpeter

Sebastian Siemssen
Topics: React, GraphQL, Tooling
https://twitter.com/thefubhy

Timo Obereder
Topics: React, Composition, Android, RXJava, Kotlin
https://twitter.com/thecurlydev

## Belgium 🇧🇪

### Hasselt

Sam Bellen
Topics: Web Audio, Browser APIs
https://twitter.com/sambego

## Bulgaria 🇧🇬

### Sofia

Radoslav Stankov
Topics: React, Redux, Ruby, Testing, GraphQL
https://twitter.com/rstankov

## Czech Republic 🇨🇿

### Prague

Artem Zakharchenko
Topics: React, Forms, CSS Grid
https://twitter.com/kettanaito

## Denmark 🇩🇰

### Copenhagen

Mathias Buus
Topics: Peer to Peer, Node.js
https://twitter.com/mafintosh

Olga Dmitricenko
Topics: Virtual Reality, Web Image Processing
https://twitter.com/enthusiasto

Tereza Sokol
Topics: Elm, Visualizations
https://twitter.com/tereza_sokol

## Finland 🇫🇮

### Helsinki

Eemeli Aro
Topics: Open Source, React, YAML
https://twitter.com/eemeli_aro

Juha Lindstedt
Topics: JavaScript, RE:DOM, Progressive Web Apps, Performance, Standards, CSS, Node.js
https://twitter.com/pakastin

Juha Linnanen
Topics: React Native, TypeScript, GraphQL
https://twitter.com/plrdev

Juha-Matti Santala
Topics: Community building, Documentation, JavaScript, Programming
https://twitter.com/Hamatti

Maaret Pyhäjärvi
Topics: Testing
https://twitter.com/maaretp

Varya Stepanova
Topics: CSS in JS, Style Guides, Visual Regression Testing
https://twitter.com/varya_en

### Rautalampi

Juho Vepsäläinen
Topics: 3D Graphics, Business, JavaScript, React, webpack, Writing
https://twitter.com/bebraw

## France 🇫🇷

### Lille

Emmanuel Demey
Topics: Angular, JavaScript, Progressive Web Apps, Vue, React, Elasticsearch
https://twitter.com/EmmanuelDemey

### Paris

Wassim Chegham
Topics: Angular, JavaScript, Progressive Web Apps, Chatbots, Firebase, Cloud, Internet of Things
https://twitter.com/manekinekko

## Germany 🇩🇪

### Augsburg

Johannes Ewald
Topics: Tooling, Standards, webpack
https://twitter.com/Jhnnns

### Berlin

Ally Long
Topics: CSS, Performance
https://twitter.com/allyelle

Artem Sapegin
Topics: Styleguides, UI, CSS
https://twitter.com/iamsapegin

Charlie Owen
Topics: CSS, Accessibility
https://twitter.com/sonniesedge

Hernán Magrini
Topics: Web Performance, Service Workers
https://twitter.com/HernanMagrini

Kitty Giraudel
Topics: Accessibility, Diversity, Inclusivity
https://twitter.com/KittyGiraudel

Lu Yu
Topics: Graphic Design, Typography, Branding, User Experience
https://twitter.com/Lugotype

Manuel Bieh
Topics: React, JavaScript, Code Quality, Clean Code, Leadership, Developer Experience
https://twitter.com/ManuelBieh

Natalie Pistunovich
Topics: Mobile Apps, Go
https://twitter.com/nataliepis

Oleg Slobodskoi
Topics: CSS in JS, React
https://twitter.com/oleg008

Robin Pokorny
Topics: Jest, React, AMP, Elm
https://twitter.com/robinpokorny

Sara Vieira
Topics: Styleguides, React, CSS, Preact, CSS-in-JS
https://twitter.com/NikkitaFTW

Srushtika Neelakantam
Topics: WebVR, A-Frame, Realtime Web, JavaScript Frameworks
https://twitter.com/Srushtika

Tejas Kumar
Topics: JavaScript, React, WebAssembly, Community, Teams, Humanities
https://twitter.com/tejaskumar_

Yoshua Wuyts
Topics: Frameworks, Simplicity, Standards, Libraries
https://twitter.com/yoshuawuyts

### Düsseldorf

Joy Heron
Topics: Clojure, Web Apps, Security
https://twitter.com/iamjoyheron

### Freiburg

Vitaly Friedman
Topics: Web Design, Web Development, Responsive Web Design
https://twitter.com/smashingmag

### Hamburg

Martin Kleppe
Topics: Weird JS
https://twitter.com/aemkei

Mauricio Palma
Topics: CSS, JavaScript
https://twitter.com/PalmaSwell

### Höchst im Odenwald

Tim Pietrusky
Topics: JS Art, JS Music, JavaScript
https://twitter.com/TimPietrusky

### Karlsruhe

Robin Weser
Topics: CSS, CSS in JS, React
https://twitter.com/robinweser

### Munich

Franziska Hinkelmann
Topics: Node, V8
https://twitter.com/fhinkel

Mathias Bynens
Topics: JavaScript (TC39), V8, Chrome
https://twitter.com/mathias

### Saarbrücken

Thorsten Hans
Topics: Containers, Azure, Kubernetes, Rust, Wasm
https://twitter.com/ThorstenHans

## Greece 🇬🇷

### Athens

Nick Palladinos
Topics: F#
https://twitter.com/NickPalladinos

## Ireland 🇮🇪

### Cork

Dave Jeffery
Topics: JavaScript, Electron, Node.js
https://twitter.com/DaveJ

Eoin Shanaghy
Topics: Java, Elixir, Node.js
https://twitter.com/eoins

James Sugrue
Topics: Swift, JavaScript, Java
https://twitter.com/sugrue

Joe Minichino
Topics: Artificial Intelligence, Machine Learning, Databases, JavaScript, Python
https://twitter.com/tech_fort

Oscar Brito
Topics: Linux, Node.js, JavaScript, Python
https://twitter.com/aetheon

### Dublin

Anton Whalley
Topics: Node.js, Decentralization, FreeBSD, Open Source
https://twitter.com/dhigit9

Augusto Evangelisti
Topics: Testing, Agile, Bitcoin
https://twitter.com/augeva

Barry O’Sullivan
Topics: PHP, Testing, Domain-Driven Design, Event Sourcing
https://twitter.com/barryosull

Chris Manson
Topics: JavaScript, Ember, React
https://twitter.com/real_ate

Cian Mac Mahon
Topics: JavaScript, React
https://twitter.com/cianmm

Claudio Procida
Topics: JavaScript, React, Node.js, Diversity
https://twitter.com/claudiopro

Donovan Hutchinson
Topics: HTML, CSS, JavaScript
https://twitter.com/donovanh

Ingrid Epure
Topics: Security, Psychology
https://twitter.com/opinionatedpie

John Brett
Topics: JavaScript, hapi, Nomad Work, Bitcoin
https://twitter.com/johnbrett_

Luciano Mammino
Topics: Node.js, Design Patterns, Serverless, JSON Web Tokens, Universal JavaScript
https://twitter.com/loige

Lynsey Duncan
Topics: UX, UI, Design Systems
https://twitter.com/Lynsey_Duncan

Maja Grubic
Topics: Node.js, JavaScript, React, Monitoring, D3, SVG
https://twitter.com/princessmaja

Mario Casciaro
Topics: Node.js, JavaScript, Design Patterns, Startups
https://twitter.com/mariocasciaro

Michael Flanagan
Topics: PHP, JavaScript, REST, Testing
https://twitter.com/micflan

Mustafa Turan
Topics: Elixir, Ruby, Functional Programming
https://twitter.com/mustafaturan

Padraig O’Brien
Topics: Serverless, Big Data, Databases
https://twitter.com/PadraigOBrien

Panpan Lin
Topics: JavaScript, GraphQL, Swift, Hackathons
https://twitter.com/CatKlavier

Pat O’Callaghan
Topics: JavaScript, Node.js, Ember
https://twitter.com/patocallaghan

Serena Fritsch
Topics: JavaScript, Ember, Developer Workflows
https://twitter.com/serifritsch

Serg Hospodarets
Topics: JavaScript, CSS, CSS Houdini
https://twitter.com/malyw

Thomas Shaw
Topics: Docker, Jenkins, Devops
https://twitter.com/tomwillfixit

Yevgeniy Brikman
Topics: Terraform, Devops, Scalability
https://twitter.com/brikis98

### Galway

Mark Conroy
Topics: Frontend, Drupal, Web Development
https://twitter.com/markconroy

### Waterford

Richard Rodger
Topics: Node.js, Microservices
https://twitter.com/rjrodger

## Israel 🇮🇱

Nir Galon
Topics: Python, API Star, Open Source, Node.js, Angular
https://twitter.com/nirgn975

Nir Kaufman
Topics: Angular, Firebase, Redux
https://twitter.com/nirkaufman

Uri Shaked
Topics: Web Bluetooth, WebVR, Angular, Internet of Things with JavaScript
https://twitter.com/UriShaked

Yoni Weisbrod
Topics: React, MobX, MobX State Tree, React-Native
https://twitter.com/yoniweisbrod

## Italy 🇮🇹

### Milan

Maurizio Mangione
Topics: Web Components, Polymer, Progressive Web Apps
https://twitter.com/granze

## Verona

Matteo Ronchi
Topics: React, JavaScript, Flow, Web Architectures, Frontend Ops
https://twitter.com/cef62

## Netherlands 🇳🇱

### Amsterdam

Alexey Kureev
Topics: React Native
https://twitter.com/kureevalexey

Carmen Popoviciu
Topics: Angular, JavaScript, Machine Learning, Neural Networks, Polymer, Web Components
https://twitter.com/carmenpopoviciu

Chidinma Kalu
Topics: JavaScript, TypeScript, Python, Machine Learning
https://twitter.com/chidinmako

Jad Joubran
Topics: Progressive Web Apps, Web Performance, JavaScript
https://twitter.com/JoubranJad

Kene Udeze
Topics: Design, CSS, Accessibility, Inclusive Design
https://twitter.com/udezekene

Michel Weststrate
Topics: MobX, React, mobx-state-tree, Typescript, Open Source
https://twitter.com/mweststrate

Narendra Shetty
Topics: React, Progressive Web Apps
https://twitter.com/narendra_shetty

Peter-Paul Koch
Topics: HTML, CSS, JavaScript, Cross-Browser Compatibility
https://twitter.com/ppk

### Bergambacht

Stefan Nieuwenhuis
Topics: Angular, Web Components, Frontend Architecture, Microservices, Monorepos, Design Systems
https://twitter.com/stefannhs

### Breda

Job van Achterberg
Topics: Accessibility
https://twitter.com/detonite/

### Gouda

Rowdy Rabouw
Topics: NativeScript, Browser APIs
https://twitter.com/rowdyrabouw

### Papendrecht

Gerard Klijs
Topics: Clojure, Rust, GraphQL, Apache Kafka
https://twitter.com/gklijs

### Zwolle

Norbert de Langen
Topics: Component Libraries, React, Storybook, Open Source, Communities
https://twitter.com/NorbertdeLangen

## Norway 🇳🇴

### Oslo

Anton Babenko
Topics: Terraform, AWS, Devops
https://twitter.com/antonbabenko

## Poland 🇵🇱

### Gdańsk

Kasia Jastrzębska
Topics: React, Redux, Async, CSS in JS, ClojureScript
https://twitter.com/kejt_bw

Kitze
Topics: MobX, State Management, GraphQL, CSS in JS
https://twitter.com/thekitze

### Krakow

Anna Migas
Topics: HTML, CSS, JavaScript, Web Animations, Web Performance
https://twitter.com/szynszyliszys

Kacper Sokołowski
Topics: JavaScript, Security, Service Workers
https://twitter.com/kaapa_s

Konrad Dzwinel
Topics: Developer Tools, JavaScript
https://toot.cafe/@kdzwinel

### Poznań

Tomasz Łakomy
Topics: React, Virtual Reality, jQuery
https://twitter.com/tlakomy

### Warsaw

Aga Naplocha
Topics: CSS, Teaching Web Technologies
https://twitter.com/aganaplocha

Tomasz Ducin
Topics: JavaScript, TypeScript, React, Angular, RxJS, Async, Architecture
https://twitter.com/tomasz_ducin

### Wrocław

Ferran Negre
Topics: React Native, React, Testing, JavaScript, Android
https://twitter.com/ferrannp

Mike Grabowski
Topics: React Native, JavaScript, Tooling
https://twitter.com/grabbou

Michał Pierzchała
Topics: React Native, Jest, Testing, CSS
https://twitter.com/thymikee

Michał Chudziak
Topics: React, React Native, iOS, Android
https://twitter.com/michalchudziak

Satyajit Sahoo
Topics: React, React Native, CSS in JS, Tooling
https://twitter.com/satya164

## Portugal 🇵🇹

### Aveiro

Filipa Lacerda
Topics: Vue, Vuex
https://twitter.com/FilipaLacerda

### Lisbon

Daniela Matos de Carvalho
Topics: Web protocols, Web security, JavaScript, React, Node.js, Offline First
https://twitter.com/sericaia

David Dias
Topics: IPFS, Peer to Peer, JavaScript, Node.js
https://twitter.com/daviddias

### Porto

Luis Pereira
Topics: SSDLC, Web Security, Pentesting, Social Engineering, Security Awareness
https://twitter.com/luisabrpereira

Miguel Andrade
Topics: Ember, JavaScript
https://twitter.com/maskedwarrior

## Romania 🇷🇴

Márton Kodok
Topics: BigQuery, Databases, Voice Based Interfaces, Cloud, Architecture
https://twitter.com/martonkodok

## Russia 🇷🇺

### Moscow

Nikita Prokopov
Topics: Clojure, DataScript, Rum, FiraCode, AnyBar
https://twitter.com/nikitonsky

Nikita Sobolev
Topics: Elixir, Python, JavaScript, Management, RSDP
https://twitter.com/elixir_lang_mos

Oleksii Okhrymenko
Topics: Angular, JavaScript, RxJS, i18n, HTML, CSS
https://twitter.com/ai_boy

Sergey Rubanov
Topics: Standards, Web Assembly
https://twitter.com/chicoxyzzy

### St. Petersburg

Vadim Makeev
Topics: HTML, CSS, Web Standards, Accessibility
https://twitter.com/pepelsbey_

## Serbia 🇷🇸

### Belgrade

Aleksandar Simovic
Topics: Serverless
https://twitter.com/simalexan

Slobodan Stojanović
Topics: Serverless, Offline Web, Chat Bots
https://twitter.com/slobodan_

### Novi Sad

Stanislav Deviatov
Topics: Kafka, Mulesoft, API Management, Integration Platforms
https://twitter.com/stn1slv

## Spain 🇪🇸

### Alicante

Flavio Corpa
Topics: JavaScript, Functional Programming
https://twitter.com/flaviocorpa

### Córdoba

Javi Velasco
Topics: React, CSS in JS, React Toolbox
https://twitter.com/javivelasco

### Madrid

Vincenzo Chianese
Topics: WebAPI, Microservices, JavaScript
https://twitter.com/D3DVincent

### Santander

Erik Rasmussen
Topics: React, Redux, Redux-Form, Forms
https://twitter.com/erikras

## Sweden

### Stockholm

Muhammad Ahsan Ayaz
Topics: JavaScript, Angular, Node.js, Ionic, Firebase, Stencil, Progressive Web Apps
https://twitter.com/muhd_ahsanayaz

## Switzerland 🇨🇭

### Zurich

Martin Splitt
Topics: Virtual Reality, Web Performance
https://twitter.com/g33konaut

## Ukraine 🇺🇦

### Chernivtsi

Denys Dovhan
Topics: JavaScript, DevTools, Shell scripting
https://twitter.com/denysdovhan

### Kharkiv

Illya Klymov
Topics: Teaching, Coaching, JavaScript
https://twitter.com/xanf_ua

### Kyiv

Aleksey Shvayka
Topics: Browsers, Web Standards, Open Source, Front End, Smalltalk
https://twitter.com/shvaikalesh_

Andrey Listochkin
Topics: Rust, JavaScript, Skills, Architecture
https://twitter.com/listochkin

Andrii Shumada
Topics: JavaScript, Node.js, Streams
https://twitter.com/eagleeye_s

Anton Nemtsev
Topics: HTML, CSS, Web Standards
https://twitter.com/SilentImp

Artem Yavorsky
Topics: Babel, ECMAScript, Compilers
https://twitter.com/yavorsky_

Roman Liutikov
Topics: ClojureScript, React, Compilers
https://twitter.com/roman01la

Timur Shemsedinov
Topics: Node.js, Programming, JavaScript, Highload
https://twitter.com/tshemsedinov

Vladimir Agafonkin
Topics: Maps, Algorithms
https://twitter.com/mourner

Yuri Artyukh
Topics: HTML, CSS, JavaScript, WebGL
https://twitter.com/akella

### Vinnytsia

Artem Denysov
Topics: Web Performance, Dev Tools
https://twitter.com/denar90_

### Odessa

Timofey Lavrenyuk
Topics: Progressive Web Apps, Modern Browser APIs
https://twitter.com/geek_timofey

## United Kingdom 🇬🇧

### Birmingham

Bruce Lawson
Topics: Standards, Performance
https://twitter.com/brucel

Stuart Langridge
Topics: JavaScript, HTML, Open Source
https://twitter.com/sil

### Brighton

Jeremy Keith
Topics: Standards, Web Development, Web Design, CSS, Accessibility
https://twitter.com/adactio

Paul Robert Lloyd
Topics: Design, Web Design, Architecture, Design Systems, Trains
https://twitter.com/paulrobertlloyd

### Bristol

Léonie Watson
Topics: Accessibility, Web Standards, Screen Readers
https://twitter.com/LeonieWatson

Rachel Andrew
Topics: CSS
https://twitter.com/rachelandrew

Ruth John
Topics: Browser Technologies, Web Audio, Web MIDI
https://twitter.com/Rumyra

### Leighton Buzzard

Caroline Jarrett
Topics: Forms Usability, User Research
https://twitter.com/cjforms

### Leeds

Luke Bonaccorsi
Topics: Node, JavaScript, Automation
https://twitter.com/LukeB_UK

### London

Ada Rose Cannon
Topics: HTML, CSS, JavaScript, WebVR, Web Technologies, Progressive Web Apps
https://twitter.com/lady_ada_king

Alessandro Cinelli
Topics: JavaScript
https://twitter.com/cirpo

Alex Lobera
Topics: JavaScript, React, Redux, GraphQL
https://twitter.com/alex_lobera

Alexandra Deschamps-Sonsino
Topics: Internet of Things, Smart Homes, Connected Devices
https://twitter.com/iotwatch

Alla Kholmatova
Topics: Design Systems
https://twitter.com/craftui

Andrew Betts
Topics: Networks, Performance, Web
https://twitter.com/triblondon

Anna Doubková
Topics: React, Testing
https://twitter.com/lithinn

Bodil Stokke
Topics: Programming, Functional Programming
https://twitter.com/bodil

Chris Noring
Topics: JavaScript, RxJS, Angular, React
https://twitter.com/chris_noring

Cristiano Rastelli
Topics: CSS, CSS in JS
https://twitter.com/areaweb

Dan Abramov
Topics: JavaScript, React, Redux, Tooling
https://twitter.com/dan_abramov

Davide ‘Folletto’ Casali
Topics: Design, User Experience, Management, Leadership, Startups
https://twitter.com/Folletto

Gerard Sans
Topics: Angular, React, GraphQL, CSS Animations, RxJS
https://twitter.com/gerardsans

Gojko Adzic
Topics: Testing, Requirements, Serverless
https://twitter.com/gojkoadzic

Jani Eväkallio
Topics: Self-Development, Programming
https://twitter.com/jevakallio

Michele Bertoli
Topics: React, Testing
https://twitter.com/MicheleBertoli

Phil Plückthun
Topics: React, CSS in JS
https://twitter.com/_philpl

Sani Yusuf
Topics: Ionic, Angular, JavaScript, Progressive Web Apps
https://twitter.com/saniyusuf

Sebastian Witalec
Topics: NativeScript, Angular, Bots, JavaScript
https://twitter.com/sebawita

Sven Sauleau
Topics: JavaScript (Babel), Artificial Intelligence, Linux, Cloud, Ops, Computer Science
https://twitter.com/svensauleau

Inayaili de León
Topics: Design Systems, Responsive Web Design, Design Leadership, UI
https://twitter.com/yaili

## Norwich

Heydon Pickering
Topics: Accessibility, Performance, Web
https://twitter.com/heydonworks

## Oxford

Seren Davies
Topics: Accessibility
https://twitter.com/ninjanails

# North America

## Canada 🇨🇦

### Hamilton

Wes Bos
Topics: JavaScript, CSS, Tooling
https://twitter.com/wesbos

### Kingston

Scott Vinkle
Topics: Accessibility
https://twitter.com/svinkle

### Montréal

Aurélien Loyer
Topics: JavaScript, Angular, Vue.js, Node.js, TypeScript, IoT
https://twitter.com/AurelienLoyer

### Ottawa

Tanya Janca
Topics: InfoSec, Web App Security
https://twitter.com/shehackspurple

### Toronto

Brenna O’Brien
Topics: Motivation, Psychology, Developer Culture, Public Speaking
https://twitter.com/brnnbrn

Hala Anwar
Topics: Accessibility
https://twitter.com/halathinkeths

Tiff Nogueira
Topics: CSS Grids, React, Redux, Firebase, Flexbox
https://twitter.com/tiffhaxell

## United States of America 🇺🇸

### Boston

Eric Bailey
Topics: Accessibility
https://twitter.com/ericwbailey

Gleb Bahmutov
Topics: Computer Science, JavaScript, Reactive Programming
https://twitter.com/bahmutov

Lea Verou
Topics: CSS, HTML
https://twitter.com/leaverou

### Buffalo

Adrian Roselli
Topics: Accessibility
https://twitter.com/aardrian

### Carlsbad

Michael Jackson
Topics: React, JavaScript, React Router
https://twitter.com/mjackson

### Cedar Rapids

Levi Bostian
Topics: Android, RxJava, Kotlin, Freelancing, Swift, iOS, Productivity, Startups, Bootstrapping https://twitter.com/levibostian

### Cincinnati

Carin Meier
Topics: Clojure, Machine Learning, Programming
https://twitter.com/gigasquid

### Chapel Hill

Doug Schepers
Topics: Data visualization, Accessibility, SVG
https://twitter.com/shepazu

### Chicago

Karl Hughes
Topics: Microservices, PHP, JavaScript, Docker
https://twitter.com/KarlLHughes

### Denver

Miriam Suzanne
Topics: CSS, Sass, Architecture, Design Systems
https://twitter.com/mirisuzanne

### Madison

Carie Fisher
Topics: Accessibility
https://twitter.com/cariefisher

### Nashville

Aimee Knight
Topics: JavaScript, CSS, Angular, Growing Junior Developers
https://twitter.com/Aimee_Knight

### New Jersey

Ken Wheeler
Topics: React, React Native, ReasonML
https://twitter.com/ken_wheeler

### New Orleans

Gant Laborde
Topics: JavaScript, React Native, Leadership, Redux, Open Source, Tooling, Public Speaking
https://twitter.com/GantLaborde

Sia Karamalegos
Topics: React, JavaScript, React Native, Front-End Performance
https://twitter.com/thegreengreek

### New York City

Andrey Sitnik
Topics: PostCSS, CRDT
https://twitter.com/sitnikcode

David Nolen
Topics: Clojure, ClojureScript, Om, Functional Programming, Computer Science
https://twitter.com/swannodette

Diana Mounter
Topics: Design Systems, CSS, Product Design
https://twitter.com/broccolini

Henry Zhu
Topics: Open Source, Babel
https://twitter.com/left_pad

Jared Palmer
Topics: React, React Native, Developer Tools, Forms, TypeScript, CSS
https://twitter.com/jaredpalmer

Jen Simmons
Topics: Design, CSS, HTML, Web
https://twitter.com/jensimmons

Joe Sepi
Topics: Open Source, Community, Node.js, JavaScript
https://twitter.com/joe_sepi

Lara Hogan
Topics: Design, Performance, Engineering Management, Public Speaking
https://twitter.com/lara_hogan

Mariko Kosaka
Topics: HTML, CSS, JavaScript, Web
https://twitter.com/kosamari

Peggy Rayzis
Topics: React, React Native, GraphQL
https://twitter.com/peggyrayzis

Shawn Wang
Topics: React, Serverless, JAMstack
https://twitter.com/swyx

Una Kravets
Topics: CSS, Web
https://twitter.com/una

Tierney Cyren
Topics: Node.js, JavaScript, CLI tools, Developer Tools, Open Source, Community
https://twitter.com/bitandbang

### Mountain View

Addy Osmani
Topics: Chrome DevTools, Performance
https://twitter.com/addyosmani

### Omaha

Courtney Heitman
Topics: UX Development, Usability, Accessibility, Scrum, Agile
https://twitter.com/courtneyheitman

### Palo Alto

Paul Irish
Topics: Developer Tools
https://twitter.com/paul_irish

Cheng Lou
Topics: ReasonML, React, Software Philosophy
https://twitter.com/_chenglou

### Philadelphia

Lis Pardi
Topics: Web
https://twitter.com/lispardi

Richard Feldman
Topics: Elm
https://twitter.com/rtfeldman

### Pittsburgh

Brad Frost
Topics: Web Design, Atomic Design, Web Development
https://twitter.com/brad_frost

Lin Clark
Topics: React, WebAssembly, Browsers Internals
https://twitter.com/linclark

### Portland

Joe Seifi
Topics: CSS-in-JS, JavaScript, React
https://twitter.com/joeseifi

Kyle Shevlin
Topics: React, Redux, JavaScript
https://twitter.com/kyleshevlin

Micah Godbolt
Topics: Frontend Architecture, CSS, Design Systems
https://twitter.com/micahgodbolt

Scott Hanselman
Topics: .NET, Azure
https://twitter.com/shanselman

Violet Peña
Topics: React, Socket.IO, Storybook, Accessibility
github.com/vgpena

### Redwood City

Jesse Beach
Topics: Accessibility, React
https://twitter.com/jessebeach

### Salt Lake City

Kent C. Dodds
Topics: OSS, React, Testing
https://twitter.com/kentcdodds

### San Francisco

Adam Menges
Topics: Artificial Intelligence, Design, Computer Science
https://twitter.com/adammenges

Alex Russell
Topics: Performance, Mobile Web, Progressive Web Apps, Web Standards
https://twitter.com/slightlylate

Anjana Vakil
Topics: Programming Language Paradigms, Functional Programming (with JavaScript)
https://twitter.com/AnjanaVakil

Beth Dean
Topics: Design, Illustration
https://twitter.com/bethdean

Boris Cherny
Topics: TypeScript, React, Computer Science
https://twitter.com/bcherny

Brynn Evans
Topics: Design, Management
https://twitter.com/brynn

Cordelia Dillon
Topics: Accessibility
https://twitter.com/cordeliadillon

Estelle Weyl
Topics: CSS, Performance, Responsive Web Design
https://twitter.com/standardista

Frances Coronel
Topics: Progressive Web Apps, TypeScript, Web Design, Open Source
https://twitter.com/FrancesCoronel

Gregory Shehet
Topics: Functional Reactive Programming, MobX, CSS in JS, React
https://twitter.com/AGambit95

Jafar Husain
Topics: JavaScript, ES7, Observables, Reactive Programming, Falcor
https://twitter.com/jhusain

Jennifer Wong
Topics: Design Systems
https://twitter.com/mybluewristband

Lisa Huang
Topics: AMP, Offline-First Mobile Apps, React
https://twitter.com/lisaychuang

Mike Matas
Topics: Human Interface Design
https://twitter.com/mike_matas

Mina Markham
Topics: CSS Architecture, Sass, Community, Design Systems
https://twitter.com/MinaMarkham

Monica Dinculescu
Topics: Web Components, Polymer, Emoji
https://twitter.com/notwaldorf

Patrick Stapleton
Topics: OSS, Serverless, GraphQL, Vue.js, React, Angular, TypeScript
https://twitter.com/gdi2290

Preethi Kasireddy
Topics: Machine Learning, Natural Language Processing, React
https://twitter.com/iam_preethi

Sarah Drasner
Topics: CSS, SVG, Animations, Vue.js, React
https://twitter.com/sarah_edo

Sean Grove
Topics: GraphQL, ReasonML, OCaml
https://twitter.com/sgrove

Stephanie Rewis
Topics: Design Systems, CSS
https://twitter.com/stefsull

Tracy Lee
Topics: Reactive Programming, Angular, Ember.js
https://twitter.com/ladyleet

### Seattle

Jaime Lopez
Topics: iOS, Swift, Software Architecture, Development Processes
https://twitter.com/DevWithTheHair

Shell Little
Topics: Accessibility
https://twitter.com/ShellELittle

### Virginia Beach

Kurtis Kemple
Topics: React, React Native, GraphQL, Universal Components
https://twitter.com/bytes__

# South America

## Argentina 🇦🇷

### Buenos Aires

Evangelina Ferreira
Topics: CSS, Animations
https://twitter.com/evaferreira92

## Brazil 🇧🇷

### Belo Horizonte

Beto Muniz
Topics: React, JavaScript, Progressive Web Apps, Polymer, Community
https://twitter.com/obetomuniz

### Curitiba

Fernando Daciuk
Topics: React, JavaScript
https://twitter.com/fdaciuk

### Joinville

Marcelo Camargo
Topics: Functional Programming, Compilers, Type Theory, Category Theory, Lambda Calculus
https://twitter.com/nexwire

### Rio de Janeiro

Raphael Amorim
Topics: React, JavaScript, jQuery
https://twitter.com/raphamorims

### São Paulo

Caroline Soares
Topics: Frontend development, woman’s inspiration, JavaScript, CSS
https://twitter.com/carolcode

Fernanda Bernardo
Topics: CSS, JavaScript, HTML
https://twitter.com/fembernardo

João Victor Dias
Topics: Computer Vision, Keras, CNN, R, Data Science path
https://twitter.com/JoaoVictor_AC

Sibelius Seraphini
Topics: React, React Native, Node.js, GraphQL, Relay Modern, Open Source, Machine Learning, Blockchain
https://twitter.com/sseraphini

# License

To the extent possible under law, Karl Horky has waived all copyright and related or neighboring rights to this work.

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