About usManagement


Mr. Wong Sing Hung Eric

Mr. Wong Sing Hung Eric is the Chairman of GRST. Mr. Wong graduated from McMaster University with Master of Business Administration in 1974. With his innovative mind and passion for technologies, Mr. Wong embarked on his career of a trendsetting entrepreneur. The notable companies he co-founded include Fotomax, a pioneer one-hour photo finishing company in Hong Kong, System-Pro, which successfully introduced IBM micro-computers to local market and provided software solutions to enterprises. He also served on key positions in various innovative companies in Hong Kong.

Understanding the importance of renewable energy to the sustainability of our ecology, Mr. Wong has been collaborating with a team of scientists in the research and development of eco-friendly batteries for years. Their joint efforts finally paid off with the development of advanced eco-design and totally water-based manufacturing processes for cost-efficient greener lithium-ion batteries which are ready for commercialization.

Dr. Kam Piu (Bill) Ho

Dr. Bill Ho is the Chief Technology Officer of GRST. He received his Ph.D. in chemistry from the Hong Kong Polytechnic University (PolyU). As a postdoctoral fellow in McGill University and a researcher in the Department of Applied Biology and Chemical Technology of PolyU, he has over 15 years’ research experience in electrochemistry and materials science. As an inventor, he has published more than 15 papers in peer-reviewed journals and filed more than 20 patent applications worldwide.
Prior to his career in GRST, Bill was a technical manager at Nano and Advanced Materials Institute Limited, where he undertook various projects supported by Hong Kong Innovation and Technology Fund, HKSAR. He has extensive experience in the development of materials for lithium-ion batteries and technology for manufacturing lithium-ion batteries.

Tony S. M. Wong

Mr. Wong is a Director of GRST Energy Ltd. Between year 1978-2016, Mr. Wong has served on the Board of TS Wong & Company Ltd. ; Fotomax (FarEast) Ltd. ; System Pro Ltd. ; China Industries Management Ltd. ; TL Management Ltd. ; SDM Dental Centers Ltd. Mr. Wong has also worked in China for over 25 years and has participated in the management of a number of Sino-Foreign Join Ventures Companies. Mr Wong graduated from Saint Mary’s University with a degree of Bachelor of Science, and a Master of Business Administration from University of Ottawa.

Mr. Hung Yuen Justin

Mr. Justin Hung is a Director of GRST. Mr. Hung graduated in 1992 with a Bachelor of Commerce from the University of Western Australia. He is an advocate for eco-friendly technology and innovation, and has founded several companies that engaged in this direction, including CeraSOL Holdings LTD., White Pan & Wok Company Ltd., Heat2wear Company LTD., etc. He has worked in China and Korea for over 20 years with extensive experiences in both electrical and chemical technologies.

Dr. Man Chun (Joe) Law

Dr. Joe Law, a Chinese Patent Attorney, assists GRST in applying for and prosecuting trademark and patent applications worldwide in the fields of energy. He received his master’s degree in green chemistry and Ph.D. in organic chemistry. As an inventor himself, Joe has published more than 10 papers in journals.

Prior to joining GRST, Joe was associated with international law firm Squire Patton Boggs in its Hong Kong office, where he advised multinational clients on intellectual property matters and enforcement of patent rights and other IP matters.

Joe is a member of the Hong Kong Institute of Patent Attorney and All-China Patent Attorneys Association.