Petrichor Team

We are a team of scientific, medical, financial, technological, and operational leaders built to serve our partners

Our deep understanding of subsector-specific scientific, regulatory, and commercial dynamics underpins everything we do.

Tadd Headshot 01 Hayden

Tadd Wessel

Founder and Managing Partner

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Tadd Wessel

Founder and Managing Partner

Tadd Wessel is the founder and Managing Partner of Petrichor, a private investment firm focused on the healthcare sector. He is also a founder and Managing Partner of Scion Life Sciences, an affiliate of Petrichor. Tadd has more than 25 years of experience, primarily focused on investing and building companies in the life sciences sectors. Previously, he was a Partner at OrbiMed Advisors where he led the build-out of the structured investment business. Prior to OrbiMed, Tadd was a Vice President at Fortress Investment Group focused on healthcare investments. Tadd began his career in the life sciences investment banking groups at Citigroup and Robertson Stephens.

Tadd has served on more than 30 boards most recently including Aurion Biotech, Cryoport (NASDAQ: CYRX), and ITM. He also serves on the Advisory Board of the AIM at Melanoma Foundation, whose mission is dedicated to finding more effective treatments and, ultimately, the cure for melanoma. He also serves on the Board of the International Centers for Precision Oncology (ICPO) whose mission is to scale access of molecularly targeted precision oncology diagnostics and therapeutics for the benefit of cancer patients globally.

Tadd holds an AB in biology from Princeton University.