Mark Clein

About Mark Clein

Mark Clein is the Co-Founder and former Chief Executive Officer of Precision Medicine Group, a Bethesda, Maryland-based company. He transitioned from the CEO role to Executive Chairman in 2024, at which point Margaret Keegan became CEO. Clein remains a Co-Founder and is listed as an individual angel investor associated with the company's seed stage activities.

Mark Clein at a glance

• Company: Precision Medicine Group
• Total raised: $310M
• Latest round: Growth
• Investors: Berkshire Partners, Blackstone
• Location: Bethesda, Maryland, USA

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