Meet our People
We are groundbreaking leaders, scientists, investors, community luminaries, and thinkers.
Executive Leadership

Marc Appel, JD, MBA
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Chief Executive Officer & Co-Founder

David Crampton, MBA, MS
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Chief Financial Officer

Ryan Fox, MS
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Chief Operating Officer

Lutz Giebel, PhD
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Executive Chairman of the Board & Co-Founder

Garin Murphy, JD, MBA
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Chief Business Officer & General Counsel
VENTURES TEAM

Peter Alff, PhD
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Senior Venture Partner

Rich Ganz, MBA
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Senior Venture Partner

Michael Kalos, PhD
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Senior Venture Partner &
Head of Cell Therapy

Laura Crawford PhD, DABT, RAC-Drugs
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Senior Director,
Drug Development

Brittany Fitzgerald, PhD
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Chief of Staff to Chief Operating Officer & Associate Director

Nicholas Preiss, PhD
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Associate Director

Colin Sheehan, PhD
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Associate Director

Aubrey Smith, PhD
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Associate Director

Jennifer Vella-Chentorycki, PhD
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Associate Director
Research & Development Team

William Han, JD, PhD
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Vice President & Head of
Intellectual Property

Kenneth J. Olivier, PHD
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Development and Regulatory Advisor

Hua Liao, PhD
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Vice President & Head of Pharmacology & Biochemistry

William Miller, PhD
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Vice President & Head of
Medicinal Chemistry

Chris Ryan, PhD
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Vice President of CMC

Glenn Smits, PhD
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Vice President of
Non-Clinical Safety and Toxicology

Jason Rizzo, PhD, MD
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Senior Director &
Head of Translational Biology

Miguel Castellanos, MSc
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Director of Quality Assurance

Omar Khan, PhD
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Director of Cell Therapy

Malachi Blundon, PhD
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Scientific Grant Writer

Diane Yu, PhD
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Associate Director, Biology

Shruti Parab, MS
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CMC Consultant

Bruce Weaver, MS
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CMC Consultant
Legal

Alexander Michalenko, JD, MBA
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Corporate Counsel
Human Resources

Amanda Hutchins, MS
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Scientific Recruiter
& Human Resources Generalist
Finance & Accounting

Patricia Howard, MAcc
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Controller

Brett Katz
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Investment Analyst
Administrative

Amanda Kneipp
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Executive Assistant to the Chief Operating Officer & Chief Business Officer

Taylor Negrete
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Executive Assistant to the Chief Executive Officer