Announcements
Sidley Represented Thompson Street Capital Partners in Its Investment in Karpel Computer Systems
March 25, 2026
Sidley represented Thompson Street Capital Partners (TSCP) in its growth investment in Karpel Computer Systems, Inc., a provider of prosecutor case management software for state and local government agencies. TSCP is focused on investing in founder-owned middle market businesses in the life sciences and healthcare, software and technology, business and consumer services, and products sectors.
The Sidley team was led by Brent M. Steele and Emily M. Olivera (M&A and Private Equity) and included support from Roger R. Wilen, Anthony T. Caneris, Andrew D. Brown, and Francesca J. Sikora (M&A and Private Equity); Kristen L. Smith, Caroline Roberts, Celeste A. Acevedo, and Robin W. Bradley (Global Finance); E. Kyle Barnett and Sophia Iams (Technology and Life Sciences); Stephen W. McInerney and Kiana Boroumand (Privacy and Cybersecurity); Lauren A. Gallagher and Nicholas Carballo (Employee Benefits and Executive Compensation); Teresa L. Reuter and Kristina H. Daisak (Labor, Employment and Immigration); Kyle J. Fiet (Government Contracts); Suresh T. Advani and Zachary R. Tarnow (Tax); Elizabeth K. McCloy and Brandon Bryer (Real Estate); and Mary K. Marks and Damos Anderson (Antitrust and Competition).
The Sidley team was led by Brent M. Steele and Emily M. Olivera (M&A and Private Equity) and included support from Roger R. Wilen, Anthony T. Caneris, Andrew D. Brown, and Francesca J. Sikora (M&A and Private Equity); Kristen L. Smith, Caroline Roberts, Celeste A. Acevedo, and Robin W. Bradley (Global Finance); E. Kyle Barnett and Sophia Iams (Technology and Life Sciences); Stephen W. McInerney and Kiana Boroumand (Privacy and Cybersecurity); Lauren A. Gallagher and Nicholas Carballo (Employee Benefits and Executive Compensation); Teresa L. Reuter and Kristina H. Daisak (Labor, Employment and Immigration); Kyle J. Fiet (Government Contracts); Suresh T. Advani and Zachary R. Tarnow (Tax); Elizabeth K. McCloy and Brandon Bryer (Real Estate); and Mary K. Marks and Damos Anderson (Antitrust and Competition).
Contacts

Capabilities
Suggested News & Insights
Sidley Shortlisted in 16 Categories at the LMG Life Sciences Americas Awards 2026July 20, 2026Sidley Earns Multiple Top 10 Rankings in M&A and Private Equity League TablesJuly 20, 2026Sidley Represents NextCure in Merger With Avere Therapeutics and Concurrent US$320 Million Private PlacementJuly 17, 2026Sidley Finishes H1 2026 Among Top Three US$1B+ Dealmakers in TexasJuly 16, 2026European Commission Signals Targeted Procedural Simplification of the Foreign Subsidies Regulation – Without Weakening EnforcementJuly 16, 2026Inspection Rights, Internal Affairs, and Personal Jurisdiction: Orchid Global’s Procedural LessonJuly 15, 2026
- Stay Up To DateSubscribe to Sidley Publications
- Follow Sidley on Social MediaSocial Media Directory




