Sergio Tostado is a trial lawyer representing clients in complex commercial litigation, with an emphasis on class actions, mass torts, and antitrust cases.
Sergio has significant experience defending some of the nation's largest companies in a variety of high-stakes litigation matters, including civil RICO cases and cases relating to the opioid epidemic. He is currently defending a Fortune 100 company facing multiple class actions in federal court and has extensive experience defending multiple Fortune 100 companies facing government lawsuits and investigations related to the distribution of opioid medications. In addition, Sergio has defended several mergers from antitrust challenges brought by the FTC, including the successful defenses of STERIS Corporation's acquisition of Synergy Health and Cabell Huntington Hospital's acquisition of St. Mary's Medical Center. Sergio also has experience conducting compliance reviews and internal investigations for multinational companies across various industries facing government lawsuits or investigations.
Sergio maintains an active pro bono practice. He recently obtained a favorable asylum ruling for a client from Honduras and has assisted several immigrant children in obtaining lawful permanent residence in immigration court. He was also part of a Jones Day team that successfully represented a death row inmate in his habeas corpus appeal before the Tenth Circuit.
Before joining Jones Day, Sergio clerked for the Honorable Jack Zouhary of the U.S. District Court for the Northern District of Ohio. Sergio is active in his church.
- November 11, 2013
Jones Day hosts LCLD Group Mentoring Sessions for first year law students at Ohio State University and Capital Law School
- January 23, 2013
Jones Day Columbus coordinates and presents LCLD Group Mentoring Meeting at Ohio State University Moritz College of Law
- University of Pennsylvania (J.D. cum laude 2011; Dean's Scholarship; Senior Editor, University of Pennsylvania Journal of Constitutional Law; Edwin R. Keedy Cup Moot Court; Certificate in Business and Public Policy, Wharton School); The Ohio State University (B.A. in Political Science summa cum laude 2008)
- Ohio, U.S. District Courts for the Southern and Northern Districts of Ohio, and U.S. Court of Appeals for the Sixth Circuit
- Ohio Super Lawyers "Rising Star" (2015-2020)
- Law Clerk to the Honorable Jack Zouhary, U.S. District Court, Northern District of Ohio (2011-2012)