RA Capital

MARK BOSHAR

Venture Partner

Mark Boshar is a Venture Partner at RA Ventures (RAVen), focusing on new company creation. Mark brings to RAVen more than twenty-five years of leadership experience in the life sciences industry—spanning operations, corporate development, legal affairs, and intellectual property. Prior to RAVen, he was a member of the founding team and Chief Operating Officer at Catamaran Bio, a CAR-NK cell therapy company. In his role at Catamaran, he helped secure a Series A financing with a syndicate of leading investors, rapidly recruit an experienced cell therapy team, access enabling technologies, build a broad patent estate, and design external communication strategies. Prior to Catamaran, Mark served as Vice President, Legal Affairs at Rubius Therapeutics where he was responsible for leading internal legal activities in support of Rubius’ IPO and its growth to a clinical-stage company. Before joining Rubius, Mark spent a decade launching, building or advising a portfolio of early-stage venture backed life-sciences companies, including Visterra, Living proof, Kala Pharmaceuticals, and Homology Medicines. Previously in his career, he served as Associate General Counsel at Millennium Pharmaceuticals (now Takeda Oncology) where he built the legal department and led internal legal activities supporting several transformative pharmaceutical partnerships, a substantial global patent estate, and the company’s IPO. Mark began his professional career as a life sciences attorney with the law firm of Hale and Dorr (now WilmerHale). He holds a JD from Northeastern University School of Law and a BS in Biology from Tufts University.

PEYMAN HOSSEINCHI, PhD

Associate

Peyman Hosseinchi is an Associate within the TechAtlas division of RA Capital Management. Peyman’s primary responsibility at RA Capital is to create competitive landscapes of drugs and medical devices for disease indications and capabilities. Peyman holds a dual B.S. in Mechanical & Aerospace Engineering from Sharif University of Technology, Tehran, Iran and a PhD in Molecular Engineering from Pritzker School of Molecular Engineering, University of Chicago.

J. MICHAEL RYAN, MD

Michael Ryan is an EIR at RA Capital. He most recently served as Chief Medical Officer for Rodin Therapeutics, where he led all clinical development activities from first-in-human through patient studies until the acquisition by Alkermes. He has held multiple senior level clinical development positions including Chief Medical Officer at Asceneuron SA and Neurodegeneration Therapeutic Area Head at Novartis. Michael received his undergraduate degree at Georgetown University and his medical degree at the Medical University of South Carolina. He completed an internship in Internal Medicine and residency in Psychiatry at the University of Utah Health Sciences Center. Dr. Ryan was also a fellow in Geriatric Psychiatry and Neuropsychiatry at Dartmouth-Hitchcock Medical Center. He was a faculty member at the University of Rochester School of Medicine prior to joining Merck Research Laboratories in 2004.

WALTER DAUKSHER

Junior Associate

Walter Dauksher is a Junior Associate within the Planetary Health division of RA Capital Management. Walter's primary responsibility at RA Capital is to create competitive landscapes of biotechnology and planetary health. Walter has a BS in Biology from Davidson College and a MS in Genetics from University of Georgia.

EMILY MINKOW

Venture Partner

Emily Minkow is a Venture Partner at RA Ventures. Prior to joining RA, Emily was Chief Business Officer of Prevail Therapeutics from the company’s inception in 2017 until its acquisition by Eli Lilly in 2021. At Prevail, Emily led business functions including business development, strategy, commercialization, public relations, patient advocacy, and intellectual property, and co-led financings generating $250 million in proceeds, including the company’s IPO in 2019. Previously, Emily spent over seven years at Celgene Corporation in positions of increasing responsibility in business development, marketing, operations, and as Principal to the Chairman and CEO. As Executive Director of Business Development at Celgene, Emily was responsible for all aspects of deal evaluation, negotiation, and execution for licensing deals, mergers and acquisitions, and collaborations, with a focus on immune-inflammatory and neurodegenerative diseases. As Director of Global Marketing, she provided global leadership for the launch of Otezla for the treatment of patients with psoriasis and psoriatic arthritis. Emily started her career in strategy consulting at Frankel Group. She received a BA from Princeton University and an MBA from Harvard Business School.

BRENDAN JOYCE

Tax Director

Brendan is a Tax Director at RA Capital Management. Brendan’s primary responsibility is managing all aspects of the tax function. Brendan has more than 18 years of experience as a tax professional. Most recently, Brendan served as Tax Director at PwC Asset & Wealth Management. Prior to PwC, Brendan worked as Senior Tax Analyst for Highfields Capital Management LP and held tax and accounting positions at Citi and Investors Bank & Trust / State Street. Brendan holds a MS in Accounting with a concentration in Taxation from Merrimack College and a BA in Economics from University of Massachusetts Amherst. He is an Enrolled Agent, admitted to practice before the IRS.