Dennis Wong, dennis@gtugs.org - HK GDG co-Founder and Manager - Director at Master ConceptFelix Lio, felix@gtugs.org - HK GDG co-Founder and Manager - Partner & Director at Teclent Venture InvestmentJohnny Cheng, johnny@hk-gtug.org - HK GDG committee Homing TAM, homing@hk-gtug.org - HK GDG committee - Google Developer Expert in Maps & Google Trusted Photographer |