Sidley Advises New Catalyst on Strategic Partnership With Ironleaf Capital
November 19, 2025
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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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