Board of Directors

Nikej Shah, M.D.

Nikej Shah

Dr. Shah is Founder/CEO of Nirsum and Co-Inventor of its foundational intellectual property. He is also Principal Investigator of Nirsum’s Cooperative Agreements with the National Institutes of Health (NIH)/National Institute on Drug Abuse (NIDA). He brings over 25 years of experience in various roles as a physician-scientist, entrepreneur, and investor. Prior, Dr. Shah was the Founder and Managing Partner of biotech-focused investment firm Mountain Brook Capital. He was a Healthcare Portfolio Manager at Sigma Capital Management (now Point 72) and at HBK Capital Management. He was also a Managing Director at healthcare public/private equity investor Great Point Partners and Analyst at Ursus Capital. Dr. Shah earned an M.D. at the New York University School of Medicine and B.S. at Cornell University. He was a practicing emergency physician, having completed residency at the New York University/Bellevue Hospital Center, where he gained extensive experience with the acute treatment and referral of patients with alcohol and opioid use disorder (AUD and OUD, respectively).

Michael Tusche, Ph.D., M.B.A.

Michael Tusche

Dr. Michael Tusche brings nearly 20 years of experience as a Scientist, Investor, Entrepreneur and Leader in the Biopharmaceutical sector. He currently serves as the CEO of 3io Therapeutics, Inc., a biotechnology company developing next generation viral immunotherapies. Prior to 3io, Michael was the CEO of Treadwell Therapeutics, a clinical stage company developing a multi-modality pipeline of first in class medicines for hard to treat solid and hematologic malignancies. Dr. Tusche was also the CSO and Co-Founder of Nirsum Laboratories, Inc., where he was Co-Inventor of the company’s foundational Intellectual Property, and a Principal Investigator of an NIH/NIDA grant awarded to the company. Prior to Nirsum, Michael was the Senior Analyst at Mountain Brook Capital Management, LLC, a Healthcare focused Long/Short equity only Hedge Fund, where his focus was Investments in publicly listed Biopharmaceutical companies. Before Mountain Brook, Dr. Tusche was an Associate at MLV and Co., a boutique investment bank with a focus on capital raising and advisory work for Life Science based companies. Dr. Tusche also led Biologic drug discovery at the Campbell Family Institute at the University Health Network in Toronto, Canada, where he managed a multidisciplinary R&D team in the pre-clinical development and validation of novel drug candidates for oncology, autoimmunity and inflammation. Michael started his career as a Scientist in drug discovery at Bayer AG in Japan, where he worked on early-stage development of small molecule GPCR antagonists for allergic and inflammatory diseases. Dr. Tusche received his B.Sc. (with Distinction) in Biochemisty from the University of Victoria. He also received a Ph.D. in Immunology and M.B.A. from the University of Toronto. He is co-author on several peer-reviewed publications, the recipient of numerous scientific and business awards, and named inventor on issued US patents focusing on small molecule and biologic therapeutics.

Mark Stejbach

Mark Stejbach

With over 30 years in the biopharma sector, Mark has held senior roles across various commercial functions, including marketing, sales, and finance. His career highlights include serving as Senior Vice President and Chief Commercial Officer at Alkermes from 2012 to 2018, and as Chief Commercial Officer at Tengion from 2008 to 2012. Mark previously held senior positions at Merck and Biogen. He currently consults with biotech companies on commercialization matters in addition to serving on the board of Indivior plc (2021-pres.) and previously on the board of Flexion Therapeutics (2016-2021). Mark’s educational background includes an MBA from the Wharton School, University of Pennsylvania, and a BS in Mathematics from Virginia Tech, complementing his extensive industry experience in driving innovation and commercial success.