Aged 54, has been a NED since 31 May 2013 and was further appointed as the Non-executive Vice Chairman of the Board on 28 August 2018. Prior to that, he was the Chief Financial Officer of the Group and an ED. He joined the Group in 1999 and was then promoted to the role of ED in 2004 before being re-designated as a NED. Dr. YEN is currently the founding managing partner of Radiant Tech Ventures Limited, an innovation and technology venture capital firm, and is registered as a responsible officer under the Securities and Futures Ordinance for Type 9 (asset management) regulated activity. He serves as an independent non-executive director and a member of each of the audit committee and the nomination committee as well as the chairman of the sustainability committee of Impro Precision Industries Limited, and also serves as an independent non-executive director and a member of the nomination committee of Asia Allied Infrastructure Holdings Limited, both companies listed on the Main Board of The Stock Exchange of Hong Kong Limited. Dr. YEN is an adjunct professor at the City University of Hong Kong; chairman of the Hong Kong Business Angel Network; and a co-chairperson of the Technical Committee of Hong Kong Venture Capital & Private Equity Association (HKVCA). He holds a Bachelor’s degree in Manufacturing Engineering from Boston University, USA; a Master degree in Business Administration from McGill University, Canada and a Doctorate in Business Administration from The Hong Kong Polytechnic University.