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January 23, 2026
Sidley Represents Thompson Street Capital Partners in Its Investment in National Arbitration & Mediation

1 min
AI-made summary
- Sidley advised Thompson Street Capital Partners on its growth investment in National Arbitration & Mediation, a company offering alternative dispute resolution services, case management software, and continuing legal education
- The investment is intended to support the provider’s geographic expansion and development of tech-enabled service offerings
- The Sidley team included lawyers from multiple practice areas, such as M&A, private equity, global finance, antitrust, labor, insurance, privacy, real estate, tax, and technology transactions.
Sidley represented Thompson Street Capital Partners in its growth investment in National Arbitration & Mediation, a provider of alternative dispute resolution services, case management software, and continuing legal education. Thompson Street’s investment is aimed at helping the provider expand geographically and provide innovative tech-enabled service offerings.
The Sidley team was led by Brent M. Steele, Roger R. Wilen, and Travis R. Miller (M&A and Private Equity), and included Brendan McCartney, Helen Jazzar, and Anthony T. Caneris (M&A and Private Equity); Allison J. Satyr, Christian Wyse, Angela B. Gallagher, and Boris G. Mercado (Global Finance); Jamie M. Sadler (Antitrust and Competition); Lauren A. Gallagher, Alexandra M. Peterson, and Amanda M. Casanueva (Employee Benefits and Executive Compensation); Cathryn Le Regulski and Carolyn L. Ayaub (Labor and Employment); Scott J.F. Goldstein (Insurance); Ash Nagdev and Ernesto R. Claeyssen (Privacy and Cybersecurity); Elizabeth K. McCloy and Brandon Bryer (Real Estate); Suresh T. Advani and Daniel L. Henry (Tax); and E. Kyle Barnett, Dusan Clark, and Adia A. Brantley (Technology and Life Sciences Transactions).~~Sidley represented Thompson Street Capital Partners in its growth investment in National Arbitration & Mediation, a provider of alternative dispute resolution services, case management software, and continuing legal education. Thompson Street’s investment is aimed at helping the provider expand geographically and provide innovative tech-enabled service offerings.
The Sidley team was led by Brent M. Steele, Roger R. Wilen, and Travis R. Miller (M&A and Private Equity), and included Brendan McCartney, Helen Jazzar, and Anthony T. Caneris (M&A and Private Equity); Allison J. Satyr, Christian Wyse, Angela B. Gallagher, and Boris G. Mercado (Global Finance); Jamie M. Sadler (Antitrust and Competition); Lauren A. Gallagher, Alexandra M. Peterson, and Amanda M. Casanueva (Employee Benefits and Executive Compensation); Cathryn Le Regulski and Carolyn L. Ayaub (Labor and Employment); Scott J.F. Goldstein (Insurance); Ash Nagdev and Ernesto R. Claeyssen (Privacy and Cybersecurity); Elizabeth K. McCloy and Brandon Bryer (Real Estate); Suresh T. Advani and Daniel L. Henry (Tax); and E. Kyle Barnett, Dusan Clark, and Adia A. Brantley (Technology and Life Sciences Transactions).
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