Welcome to another edition of our Litigation Leaders series, featuring the litigation practice leaders of the biggest firms in the country. 

Meet Yvette Ostolaza and Mark Hopson co-leaders of the global litigation group at Sidley Austin. Ostolaza, who is based in Dallas and Houston, focuses on complex multi-jurisdictional disputes and investigations, including work in MDL, bankruptcy, arbitration, and securities litigation cases. Hopson, who is based in Washington, D.C., focuses on government enforcement actions and other high stakes litigation. Both are members of Sidley’s management and executive committees.