
Mergers & Acquisitions
Private Equity
Corporate Governance
Matthew H. O'Brien, P.C. is a corporate partner at Kirkland & Ellis in Chicago. With a focus on mergers and acquisitions, private equity, and corporate governance, Matthew represents both private equity sponsors and public and private companies. Since joining Kirkland in 2006, he has been instrumental in numerous high-profile transactions, including leveraged buyouts and joint ventures. Matthew's expertise extends to executive compensation and general corporate matters. He has been a partner since 2012 and was recognized as a “Rising Star” M&A attorney by The Deal in 2019. His notable clients include Bain Capital, GTCR, and The Royal Bank of Scotland.
Mergers & Acquisitions
Private Equity Transactions
Healthcare & Life Sciences

- HealthEdge merged with UST HealthProof in a merger on not available. - Deal value was 3800000000 Sector: Healthcare Technology; Location: USA. - On the acquirer side, counsel was not available, led by Chris Elder, Ziyad Ziyadzade, Matthew O'Brien, Michael Nester, Josh Cowin, Tyler Kuhn, Haley Arnieri, Janae Yip, Zachary Stricklin, Melissa Hutson, Yuli Wang, Mike Carew, Polina Liberman, Martin Schwertmann, Todd Herst, Vladimir Khodosh.
Sep 04 2025
4B
Private Equity

Partner
2016 – Unknown
Private Equity / M&A Attorney
2006 – 2016

- Bain Capital acquired the target/assets from not available in a Private Equity transaction on not available. - Deal value was 2100000000 Sector: Healthcare; Location: USA. - On the acquirer side, not available advised, led by Chris Elder, Ziyad Ziyadzade, Matthew O'Brien, Ben Vizvary, Yuli Wang, Melissa Hutson, Dan Clayman, Sophia Hudson, Julia Danforth, Mike Carew, Polina Liberman, Dennis Williams, Will Richmond, Vlad Khodosh, Todd Herst, Alexandra Mihalas, R.D. Kohut, Madeline Klebanov, Scott Price, Karsten Busby, Michael Saretsky, Rob Miceli, Abbey Raish, Matt Reilly, Rich Cunningham, Michael Thorpe.
Jul 14 2025
2B
Private Equity
2003