
Guy Reynolds
Guy joined Zephyrus as CEO in 2018. With over 10 years’ experience in the medical device and medical services sector, Guy was previously CEO of Leaders in Oncology Care, a subsidiary of HCA International, the largest private healthcare provider in the world looking after the entire cancer network. Guy is currently Chairman of Perci Health, a private telehealth services Company, with a pioneering virtual care clinic designed to support people living with cancer as well as employees impacted by cancer.
Guy studied Law at Oxford University and qualified as a solicitor with Linklaters in 2015. Guy spent several years at Credit Suisse in Equity Corporate Finance Team.

William Wijnberg
Will joined Zephyrus as COO in 2020. Prior to this, Will was CEO of a direct-to-consumer business, The London Sock Company.
Will began his career as a management consultant for Accenture where he advised a number of clients on Technology Transfer Programmes. Over the course of his career, Will has held a number of Senior roles focussing on strategy, estimation, planning and delivery with a wide variety of clients including Deutsche Bank, BBC, Thales, and BT.
Will studied Natural Sciences at Bath University and went on to study law at University of London.

David Whitaker
David is a successful medical device engineer with over twenty years’ of experience. He was involved in the development of the world’s first fully portable PCR instrument and the first PCR-based point-of-care test for the infectious diseases chlamydia and gonorrhea to gain US FDA clearance.
David has also worked on the development and scale-up of a range of other medical and drug delivery devices in the UK and Europe. He has a First Class Mechanical Engineering degree.