A Partner in the Firm’s Capital Markets Practice, Catherine Ciriello advises prominent public and private companies, private equity sponsors and investment banks in a broad range of corporate finance transactions including equity and debt offerings, initial public offerings and restructurings as well as corporate governance issues and other complex corporate matters. Her clients have included Cooper-Standard, SiriusXM, Finance of America, JPMorgan, Taylor Morrison, WeightWatchers, Scripps, Ashton Woods, Dell Technologies, Silver Lake Partners, ZoomInfo and Macquarie Asset Management.
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Work Highlights
- SiriusXM in corporate governance, acquisition financing matters and debt offerings
- WeightWatchers in comprehensive financial reorganization, including a pre-packed chapter 11 plan
- Cooper-Standard in its comprehensive refinancing transactions and related matters
- ZoomInfo in connection with its initial public offering of Class A common stock, follow-on offerings and debt offering
- Finance of America in its comprehensive debt exchange transaction and related debt matters
Education
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Vanderbilt University Law School, 2018 J.D.
Scholastic Excellence Award - Mergers & Acquisitions; Dean's List; Order of the Coif; Vanderbilt Law Review- Managing Editor
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Carnegie Mellon University, 2015 B.S.
University Honors; College Honors; Deans List
Catherine Ciriello is a Partner in Simpson Thacher’s Capital Markets Practice. She regularly advises prominent public and private companies, private equity sponsors and investment banks in a broad range of corporate finance transactions including equity and debt offerings, initial public offerings and restructurings as well as corporate governance issues and other complex corporate matters.
Her clients have included Cooper-Standard, SiriusXM, Finance of America, JPMorgan, Taylor Morrison, WeightWatchers, Scripps, Ashton Woods, Dell Technologies, Silver Lake Partners, ZoomInfo and Macquarie Asset Management. Her practice covers a broad range of industries, including media and technology, healthcare, industrials, business and professional services, financial services, real estate and consumer retail.
Catherine’s representative transactions have included advising:
- SiriusXM in corporate governance, acquisition financing matters and debt offerings
- WeightWatchers in comprehensive financial reorganization, including a pre-packed chapter 11 plan
- Cooper-Standard in its comprehensive refinancing transactions and related matters
- ZoomInfo in connection with its initial public offering of Class A common stock, follow-on offerings and debt offering
- Finance of America in its comprehensive debt exchange transaction and related debt matters
- Scripps in its senior secured notes offering and extension of existing debt
- First Advantage in its initial public offering of common stock
- Taylor Morrison Home Corporation in its senior notes offering and related tender offer matters
- Initial purchasers in connection with debt offerings by Carrier Global Corporation, Avis Budget and others
- Macquarie Asset Management in connection with a debt offering by its AI Infrastructure Partnership with APLD
Catherine joined Simpson Thacher in 2018 and became a partner in 2026. She received her B.S. from Carnegie Mellon University in 2015, with honors, and her J.D. from Vanderbilt University Law School in 2018, where she was elected to the Order of the Coif and was a Managing Editor of Vanderbilt Law Review. She is admitted to practice in New York.