Team
Co-Founders
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Patricia Brennan
Director, Chair and Executive Director
Patricia Brennan serves as our chair of the board and executive director. Previously, Patricia held leadership roles at Clarivate and Thomson Reuters, where she led product design, product management and platform development. She is also a product coach and advisor to individuals and organizations, where she assists them in honing and growing their product management practices. Patricia has a master’s in library and information science from the Catholic University of America and a bachelor’s in English literature from the University of Maryland, College Park.
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Paul Keller
Director
Paul graduated from the University of Portland with a Bachelor of Business Administration in Accounting. He is a licensed CPA in both Oregon and California. He has worked in the accounting industry for over 40 years. Paul has worked in both public accounting and private industry, spending 14 years as a tax partner with Moss Adams LLP. Currently, Paul is a partner at Apercen Partners LLC, a tax advisory firm, and focuses on charitable issues for their clients.
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Ben Roh
Director, Treasurer & Chief Financial Officer
Ben Roh serves as our chief financial officer, where he oversees financial operations. He also serves as CFO at the Chan Zuckerberg Initiative. Roh was previously the CFO/COO at Gradient Learning, and before that, he held leadership roles at various tech companies ranging from early-stage to Fortune 100 organizations. Roh received his undergraduate degree in business from the University of Washington.
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Sandy Yao
Director, Secretary & Chief Legal Officer
Sandy Yao serves as our chief legal officer, overseeing the legal function supporting Biohub and all of its regional institutions. Along with a science background, Yao brings a wide range of legal and business expertise in intellectual property, licensing, technology transactions, and data privacy to support the scientific work across the Biohub. Yao started at the Chan Zuckerberg Initiative (CZI) in 2021 and also currently serves as a vice president, AI, IP and Technology, heading the legal and policy work supporting AI, technology and science. Prior to joining CZI, Yao worked at LinkedIn as well as the law firm Wilson Sonsini Goodrich & Rosati. Yao received her undergraduate degree in biomedical engineering from Tsinghua University, her Ph.D. in mechanical engineering from MIT, and her law degree from Stanford Law School. She is a co-inventor of patents on high-resolution optical imaging technology using quantum dots.
These individuals serve as the Board of Directors and officers of Chan Zuckerberg Biohub, Inc., a 501(c)(3) medical research organization.
Investigator Program
Our investigator program supports research and collaborations by some of the best minds in science, medicine, engineering and technology.
Meet our investigators
Join us in our mission
We are a collaborative community of scientists, engineers, and AI and machine learning experts from across multiple fields who are passionate about tackling complex challenges and share a unified vision of a world without disease.

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Biohub carries out its work through Chan Zuckerberg Biohub, Inc. (a 501(c)(3) medical research organization); Chan Zuckerberg Initiative, LLC (which provides strategic, funding, and operational support); Chan Zuckerberg Initiative Foundation (a 501(c)(3) private foundation); and the Biohub Donor Advised Fund.