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Steve Tullman
Executive Chairman
Nexstone
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Steve’s career in life sciences spans more than 30 years and includes numerous Chairman, CEO, and founding credits, with the creation of ten biotechnology companies. He currently serves as the Managing Member of Nexstone Innovation and Chairman of NexEos Bio. Steve co-founded NeXeption, Inc. in 2011 and NeXeption, LLC in 2012 to focus on building biotech organizations designed to identify and advance programs with significant unmet medical needs. His previous chairmanships include serving Onspira Therapeutics, Inc. (acquired by Altavant Sciences / Sumitomo Dainippon Pharma in 2019), Aclaris Therapeutics, Inc. (NASDAQ: ACRS), Ralexar Therapeutics, Inc., and Vicept Therapeutics, Inc. until its acquisition by Allergan, Inc. He also served as Chairman, President and CEO of Ceptaris Therapeutics, Inc. until its acquisition by Actelion in 2013. He created Ception Therapeutics, Inc. in 2005 and served as its President and CEO until its acquisition by Cephalon, Inc. in 2010.