Announcements
Sidley Advises New Catalyst on Strategic Partnership With Ironleaf Capital
November 19, 2025
Sidley represented New Catalyst Strategic Partners (New Catalyst) in its first strategic partnership, launched with Ironleaf Capital, a newly formed specialized, technology-focused healthcare private equity firm. New Catalyst is an independent alternative investment firm that focuses on GP seeding, GP acceleration, and strategic capital solutions for next-generation private markets managers.
The Sidley team was led by Patrick T. Greeley and Andrew Colosimo (M&A and Private Equity), and included Ryan W. McNagny and Xi Zhao (M&A and Private Equity); Christian Brause, Andy J. Lau, and Iris Wang (Tax); and Jennifer A. Spiegel (Investment Funds).
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