This year's topcis include, but are not limited to: 

Advanced Kotlin, AI/ML, Android Design, Android Q, AR, Architecture, Career Development, Case Studies, 
Core Skills, Dependency Injection, Jetpack, Modularization, Multiplattform Development, Testing and Continuous Integration

Android Chapter Lead & Android Developer

Mathias Paech & Karim Mostafa

mytaxi

Senior Android Developer

Niklas Baudy

Moovel

Security Program Manager

Sean Smith

Tech Lead & Engineering Manager Android Auto

Carsten Isert

Google

Lead Tooling Engineer & Tooling Engineer

Krisztián Gödrei & Tamás Papik

Bitrise

Developer Advocate

Jon Markoff

Google

Software architect

Darryn Campbell

Zebra Technologies

Mobile Dev Manager

Alin Turcu

Softvision

Tech Lead of the Android Team & Android Developer

Sebastian Paulus & Yusuf Figanioglu

1&1

Senior Software Engineer

Volker Leck

Gradle

Android lead of Mobility

RJ Marsan

Lyft

Android DevRel

Nicole Borrelli

Google

Android Dev

Louis Tsai

erasys

Android

Fred Porciúncula

Blinkist

Google Developer Expert

Enrique López Mañas

Team Leader

Elaine Dias Batista

SFEIR

Software Engineer

Aziz Murtazaev

Facebook

Software Engineer

Al Sutton

Google

Android Engineer and GDE

Nick Rout

Over

Android Designer & Developer @ Google

Nick Butcher & Chris Banes

Android Engineer @ Google

Señor Android Developer

Marcos Holgado

Sky

Mentoring budding Android Developers

Arnav Gupta

Coding Blocks Bootcamp

Android Developer

Akshay Chordiya

Clue

Android engineer

Jean-Baptiste Vincey

Deezer

Freelancer

Miguel Beltran

Android Engineer

Sebastiano Gottardo

Blinkist, GDE for Android

Senior Android Developer

Ivan Morgillo

Mobimeo

Senior Android Engineer

Ishan Khanna

Getaround

AndroidAppDeveloper

Yugo Matsuda & Saiki Iijima

Yahoo

Developer Advocate

Filip Hráček

Google

Android Developer

Lara Martín

Blinkist

Mobile Engineer

Niamh Power

Monzo

Intelligence Tech Lead

Panayotis Tzinis

X Factory on Moonshot Lab

Developer Programs Engineers

Oscar Wahltinez & Caren Chang

Google

Technical Evangelist

Liam Sorta

Unity Technologies

Android Developer Relations

Ben Weiss

Google

Developer Advocate

Francesco Romano

Huawei

Android Engingeer

Elin Nilsson

Spotify

Google Developer Expert

Pascal Welsch

Freelancer

Backbase - Android Engineer

Vipul Shah

Senior Android Engineer

Matthew Dolan

Android tech lead @ Yahoo! JAPAN, KURO-OBI (Blackbelt)

Hiroyuki Mori & Keisuke Kiuchi

Yahoo! Japan/ Android Eng/ Love CleanArchitecture

Android Engineer

Salih Guler

Onefootball

Android Developer Advocate

Pietro Maggi

Business & Product expert

Martin Jeret

Nevercode

Senior Engineer

Joe Birch

Buffer

Lab Technician

Frank Tamre

earlycamp

Lead Product Engineer

Ragunath Jawahar

Obvious

Lead Engineer

David Branton

Candide Ltd

Assistant GDE, GDG London Lead, WTM Ambassador

Aygul Zagidullina

Lead Android Developer & GDE

Jeroen Mols

Philips Hue

Android Engineer @ Google &

Chris Banes & Rohan Shah

Product Manager on the Android System UI team

CTO

Maoz Tamir

AIFactory

Android Developer & GDE

Ataul Munim

Monzo

R&D

Remco Mokveld

Disney Streaming Services

Mobile Chapter Lead

Luiz Santana

mytaxi

Senior Software Engineer

Andrea Falcone

Google

Lawyer

Hans-Christian Woger & Felix Hilgert

Osborne Clarke

Android Team Lead & Android Developer

Hannes Dorfmann & Gabriel Ittner

Freeletics

Android Developer

Márton Braun

Autsoft

Head of Application Development

Kirill Bubochkin

Mews

Android Engineer

Jitin Sharma

GO-JEK

Lead Flutter Developer

Krzysztof Sroka

Callstack

Android Developer Advocate

Florina Muntenescu

Google

Owner

Erik Hellman

Hellman Software AB

Developer Advocate

Kenneth Ford

Google

Principal Tester

Jitesh Gosai

BBC Design & Engineering

Reverse Engineer

Olivier Tuchon

Google Android Security

Principal Developer Evangelist

Richard Süselbeck

HERE Technologies

Android

Sean McQuillan

@ Google

Engineering Manager

Sebastian Porst

Google Play Protect

EPAM Systems

Vladimir Ivanov

Founder @ Objectbox

Vivien Dollinger & Markus Junginger

CTO & Co-Founder @ Objectbox

Senior Software Engineer

Ankush Gupta

Quizlet

Android Developer @ Movivo

Anastasia López & Vivien Barousse

Engineering Manager @ Hubble

Flutter Evangelist

Rohan Taneja

Delivery Hero

Android Engineer

Parth Padgaonkar

Front

Kotlin developer

Marcin Moskała

trainer and consultant

Senior Android

JB Lorenzo

OLX Group

Self proclaimed Kotlin preacher, Android fanatic, speaker, mentor, article, tutorial and book writer

Filip Babić

Android Engineer

Garima Jain

Over

Android Engineer

Damian Burke

Onefootball

Senior Android Engineer

Ash Davies

ImmobilienScout24 GmbH

Android DevRel & Android Developer Advocate

Manuel Vivo & Murat Yener

Google

Diversity Evangelist

Stacy Devino

Nike s23NYC Studio

Engineering Manager

Sourabh Gupta

Swiggy

Software Solutions Architect

Kai Koenig

Freelancer

Senior android developer

Enrico Bruno Del Zotto

tui.co.uk

Leading the Guild-Masters Team

Lev Vidrak

Wix.com