Our Values
Transparency
Our model is transparent and aligned with how we operate: as advocates for our founders and companies.
Data First
Data drives better decisions over time. We make decisions based on data, not gut feel.
Future-Proof
We aim to build generational companies that outlast hype cycles. We build for long-term impact and sustainable growth.
Our Team

Mark Rosenblum
CEO

Margaret Davidson
Principal

Yaniv Sadka
Senior Associate

Matt Harrigan
Managing Partner, Company Ventures

Nelson Schubart
Managing Partner, Company Ventures

Tara Kaess
Talent Principal

Noah Waxman
Strategic Advisor

Lucas Werthein
Strategic Advisor
PARTNERS

Catalyst by Wellstar
Catalyst is the innovation and venture arm of Wellstar, one of the largest health systems in the Southeast, with an expansive network that includes 11 hospitals, 5 health parks, 300+ medical office locations, and numerous specialty centers.
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Cactus
Cactus is a premier innovation-focused advisory firm working with many of the largest healthcare systems in the U.S.
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