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United by our conviction in the power of therapeutic innovation to improve human health.

Meet the Scion team

The ten companies our team has been part of founding or building over the past ten years have realized uncommon success and, together, have given rise to >15 clinical-stage therapeutics, advanced six promising therapeutics into pivotal clinical trials and have generated >$14 billion in combined public equity value and announced M&A proceeds. We are excited to discover what the future holds.

SH 0125 Hayden

Samuel Hall, PhD

Managing Partner

Sam is a founder and Managing Partner of Scion. He has more than 20 years of experience in the life sciences across roles as an investor, scientist and entrepreneur. From 2013 until October 2019, Sam was a Partner at Apple Tree Partners (ATP) where he focused on creating and building therapeutics companies. During his tenure at ATP, Sam contributed to the formation, financing and build-out of Syntimmune (acquired by Alexion Pharmaceuticals), Stoke Therapeutics (NASDAQ: STOK), Chinook Therapeutics (acquired by Novartis), Marengo Therapeutics and Ascidian Therapeutics and served as a member of each company’s Board of Directors.

Before joining ATP in 2013, Sam was an immunologist at the University of Cambridge in the UK where his research focused on novel therapeutic strategies for autoimmune diseases. Previously, Sam was a member of the investment team at Symphony Capital, a private equity firm dedicated to structured investments in development-stage therapeutics. Sam began his career as a member of the healthcare investment banking team at Citigroup, where he advised leading biotechnology, medical device and healthcare services businesses on numerous completed strategic and debt and equity financing engagements. In addition to his professional responsibilities, Sam serves as a Director of the Burke Neurological Institute, an independent neuroscience research institute affiliated with Weill Cornell Medicine.

Sam holds an A.B. in Molecular Biology from Princeton University and completed his M.Phil. and Ph.D. research at the University of Cambridge, where he was a Taylor Research Scholar and was awarded an NSF Graduate Research Fellowship for his work.