People who make it happen

Hoang Khoa Nguyen Bui


A master degree in education undergraduate at Monash University, Australia. Bui Hoang Khoa Nguyen is the co-founder and author of the GOBJOY chatbot application.

Ngoc Tri Le


With 10 years experience in business management for multinational companies and business operations. Le Ngoc Tri is in charge of expanding the international market for GOnJOY applications

Minh Hoang Hac Le


Le Minh Hoang Hac is a graduate of Da Nang University of Technology, Faculty of Electronics and Telecommunications, ECE Training Program

Hoang Long Mai


Mai Hoang Long is currently pursuing a doctorate in Information Systems and Telecommunications at Troyes University of Technology, France. With the passion for technology and artificial intelligence.

Huu Trinh Nguyen


With more than 8 years experience in software development for US & EU market; won the first prize of Mobile Hackathon 2016 organized by Google Mien Trung. Trinh Nguyen is a mentor/facilitator of many programming contests in the middle coast of Vietnam, and making a great contribution to the developer communities in Da Nang.

Gia An Hoang


Graduated from the National University of Singapore with a Finance major. An is a CFA charterholder and a member of the CFA Society Singapore. With 5 years of experience in the investment industry, An is currently advising GonJoy on financial aspects.

Roland Kümin


Roland is a passionate entrepreneur, who has founded or built several companies. He is passionate about the new digital world and the technologies that change the world of business, especially technologies that help SEMs to compete better in a global environment. Roland lives and works in Switzerland and Silicon Valley and holds an undergraduate degree in Technology Management from Zurich University of Applied Science.

Heiko Drewanowski


Over 30 years of experience in marketing and advertising, almost 30 years as an entrepreneur, devoted to progress and new technologies. Has won several awards for his work and is also heavily involved in associations such as the Swiss Real Estate Think Tank or the Swiss Association for Location Management.