Leo O’Toole

Leo O’Toole is an experienced litigator who has represented plaintiffs and defendants in numerous complex, high stakes disputes, including several involving billions in exposure. Leo’s experience covers virtually every stage of litigation from pre-suit investigations, to trial, to post-verdict litigation. Leo has also litigated a broad variety of substantive claims, ranging from mass action claims of breach of fiduciary duty and employment disputes to Voting Rights Act claims and claims of public nuisance.

Prior to joining Watstein Terepka, Leo was an Assistant Attorney General at the New York Attorney General’s Office where he was part of the opioid trial team that won jury liability verdicts against five corporate defendants and secured more than $2 billion in relief for the State of New York. Leo also served as a law clerk to the Honorable Judge John R. Padova of the United States District Court for the Eastern District of Pennsylvania. Prior to his government service, Leo worked as a litigation associate for a V10 law firm in New York.

Leo graduated from Yale Law School, where he was a Senior Editor of the Yale Journal of International Law and a member of the Trial Advocacy Team and the Willem C. Vis Commercial Arbitration Moot Team. Prior to Yale, Leo graduated summa cum laude and Phi Beta Kappa from Emory College, where he was a recipient of the Robert W. Woodruff Scholarship, Emory’s highest academic scholarship. Most recently, Leo was awarded the German Chancellor Fellowship by the Alexander von Humboldt Foundation and spent one year at the University of Augsburg in southern Germany conducting comparative research into the American and German opioid systems.