Executive Committee & Leadership

Alexis Bio's Executive Committee

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Steve Gullans, Ph.D., M.B.A.

Chairman, Board of Directors

Steve is an experienced biotech executive, venture investor, scientist, entrepreneur, and author. He currently advises life science companies on strategy.

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Travis H. Brown, M.B.A.

Executive Vice Chairman and Chief Strategy Officer

Travis H. Brown has served as Alexis Bio's Executive Vice Chairman of the Board of Directors since April 2021. In this role, he directs the company’s regulatory affairs, intellectual property, and commercial license development responsibilities.

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Paul Holzer, D.Eng(c), M.Eng., M.S., M.B.A.

Chief Executive Officer and Co-Founder

Paul Holzer has served as Alexis Bio’s (formerly XenoTherapeutics Corporation) since January 2016. Before founding the company,

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Jon Adkins, M.B.A.

Board of Directors, CEO of XenoTherapeutics Foundation

Jon Adkins member of the Board of Directors and also Co-Founded XenoTherapeutics Foundation with Paul Holzer in 2016.

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Steve Snider, M.B.A.

Board of Directors

Steve brings broad experience from the military, engineering, financial, residential construction, and non-profit sectors to his service at Alexis Bio.

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Carlos Rivera, M.B.A.

Chief Financial Strategist

Carlos Rivera has served as an Alexis Bio board member since March 2021. Before joining the company, Mr. Rivera served as Partner at Summit Action LLC, a venture capital firm focused on growth investing from 2016-2021.

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Krysta Moulton, M.S., CPA

Board of Directors & Co-Founder

Krysta Moulton is a Co-Founder of Alexis Bio and serves as a senior member of the Board of Directors, as well as Co-Founder of XenoTherapeutics Foundation.

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Scientific Advisory Board

Originally founded in 2016 as XenoTherapeutics,

Alexis Bio is now a clinical-stage company with

a robust pipeline of promise.


Our dedicated team of engineers, biologists, and leaders are always looking to hire those with a passion for new proteins, cells, tissues, and organs.