
Executive Team

Yann Marche
Chief Operating Officer
Yann is responsible for overseeing our Specialty Pharma Principals and Proprietary Brand business segments.
He joined Hyphens in 2019 and has more than 27 years of extensive experience in the global pharmaceutical industry, specialising in dermatology, rheumatology and aesthetic business. Yann has developed his career progressively for over 18 years with Galderma, where he held key management positions, including Vice-President for Latin America.
His last role was at Laboratoires Expanscience as Senior Chief Operating Officer, managing operations and revenue growth in more than 50 countries, 16 subsidiaries and 400 collaborators.
Yann graduated with a Doctor in Pharmacy from the Université de Paris V, France. He has also taken part in Wharton’s Essentials of Management at The Wharton School of the University of Pennsylvania in 2007 and the L’Oréal Management Program at CEDEP-INSEAD in Fontainebleau in 1996.

Flora Zhang
Chief Financial Officer
Flora oversees the overall finance and accounting, compliance, corporate governance and digital transformation aspects of Hyphens Group.
Flora started her career as an auditor with PricewaterhouseCoopers and has more than 16 years of working experience in senior finance roles across geographies like Singapore, the U.K., Mainland China and Hong Kong SAR, Indonesia, Thailand and Vietnam. Prior to joining Hyphens in 2023, Flora was Chief Financial Officer of TVM Capital Healthcare Partners, a healthcare sector focused private equity buy-out fund investing in SEA. She has also worked as the Finance Director with Good Doctor Technology, a joint venture between Ping An Good Doctor (subsidiary of China Ping An Group), Grab and SoftBank aiming to revolutionized the SEA healthcare industry by providing online medical services.
Flora graduated from Nanyang Technological University with a Bachelor’s Degree of Accountancy. She is a Fellow of the Institute of Chartered Accountants in England and Wales (“ICAEW”).

Leonard Chiu
Chief Technology Officer, Hyphens and Chief Operating Officer, DocMed
As CTO of Hyphens Group and COO of DocMed Technology, Leonard drives the Group’s technology strategy, overseeing digital infrastructure while leading DocMed’s operational and commercial functions. Leonard’s strong business acumen and technical expertise sustains the Group’s competitive edge in the pharmaceutical, specialty healthcare, and consumer healthcare landscapes.
Outside the office, Leonard is a Citizens’ Consultative Committee (CCC) Chairman. He manages and inspires a large team of grassroots leaders, fostering collaboration and guiding community initiatives. Leonard was conferred the Public Service Medal (PBM) & Public Service Star (BBM) by the President of Singapore in 2019 & 2024 respectively.
Leonard’s academic background in Civil Engineering from Singapore Polytechnic continues to shape his structured and analytical approach to problem solving.

Jason Yeo
Managing Director, Pan-Malayan Pharmaceuticals and Novem Healthcare
Jason is responsible for the overall management and growth of Pan-Malayan Pharmaceuticals and Novem Healthcare in Singapore.
He joined Hyphens in 2002 and has risen through the ranks over the years. He has progressively held managerial roles in sales & marketing in Singapore and was Regional and General Manager of Hyphens Pharma (Singapore) before he assumed his current position.
Jason holds a Bachelor Degree of Science in Business & Management Studies (Hons) from the University of Bradford.

Stella Ang
Head, Regulatory Affairs
Stella oversees both regulatory affairs as well as pharmacovigilance activities of Hyphens.
Prior to joining Hyphens in 1997, she was a Pharmacist with Singapore General Hospital. She has more than 20 years of regulatory experience in ASEAN countries and her regulatory expertise spans across various categories including therapeutic products, medical devices, cosmetic products and complementary medicine.
Stella is a Registered Pharmacist and holds a B.Sc (Pharm) from the National University of Singapore.