Managing Directors

Siu Fung Siegfried Lee


Siu Fung Siegfried Lee (64), who joined the management in July 2021, is the former Chairman and CEO of the Company. He holds a master’s degree in ceramic machinery from South China University of Technology. Mr. Lee has been an entrepreneur in Hong Kong since 1993 and has more than 35 years of extensive experience in ceramic business. Since the listing of ROY Asset Holding SE in April 2015, Mr. Lee has also successfully managed the Group’s property business in the United States.

Administrative Board

Surasak Lelalertsuphakun


Managing Director, CEO and Chairman of the Administrative Board
Surasak Lelalertsuphakun was born in Bangkok in 1984. He attended Epsom College and graduated from London City University with a master’s in automotive engineering. In 2006, he joined ROY and completed intensive training programs in all production departments at ROY’s manufacturing facility in Beijing. In 2007 and 2008, Mr. Lelalertsuphakun worked as a project manager for ROY and was responsible for investor relations, customer relationship management, managing logistics and developing a franchise network in China. From 2008 to 2010, he gained additional professional experience as a sales manager and engineer at Vanson Electronics Co. Ltd. in Hong Kong. In 2010, he joined Lion Legend Holding Ltd. as Vice President and Director of Research and Development. There, he was responsible for investor relations, daily management of production lines, customer relationship management, and product development and design. After the successful IPO of ROY Ceramics SE on the Frankfurt Stock Exchange in April 2015, he joined Lee’s Pharmaceutical Holding Ltd. as Executive Assistant to Chairman and works there as Manager.

Suriya Toaramrut


Mr. Suriya Toaramrut, born in Thailand in 1983, earned a Bachelor of Business Administration from Assumption University in Thailand. From 2008 to 2017 he was Managing Director of Tako works Co. Limited, before that he worked as a Management Trainee at Maersk Line. Mr. Toaramrut is responsible for setting up the ceramic production.

Sujida Lelalertsuphakun Lee

Board Member

Ms. Sujida Lelalertsuphakun Lee was born in Hong Kong in 1986. She is the sole shareholder of Hi Scene Industrial Limited (main shareholder of ROY Asset Holding SE) and a director at The Stadium Group Limited. She holds degrees in accounting and masters in translation, both from Hong Kong Polytechnic University. In addition, Ms. Sujida Lelalertsuphakun Lee holds a Master of Science degree in corporate communications from the Chinese University of Hong Kong, a bachelor’s degree in law from BPP University London and a bachelor’s degree in economics and statistics from University College London. She has more than 7 years of experience in managerial positions in various, partly self-founded companies.

Siwen Mao

Board Member

Mr. Siwen Mao was born in Beijing in 1985. He is a commodities trader at Engelhart Commodities Trading Partners. He holds a Masters in Materials Engineering from Imperial College London and an SII Certificate in Investments from the Chartered Institute for Securities & Investments. He has several years of experience in investment banking with a focus on commodity trading.