in journalism, graduating summa cum laude from Ohio State University in 1979, where he wrote for and edited the daily student newspaper, the Lantern, and interned as a reporter at The Plain Dealer in Cleveland and the Rochester Times-Union.
[3][4] Following law school, Oller became an associate and later a partner in the litigation department of white-shoe law firm Willkie Farr & Gallagher in New York City, where he represented Major League Baseball, including in the George Brett Pine Tar Incident as well as the Pete Rose sports betting case, as described in the Dowd Report.
As a partner in the firm, he went on to specialize in complex commercial and securities litigation, and was a principal author of the Audit Committee Report for Cendant Corporation (at the time, the most massive fraud in American corporate history); the New York Times called the report a definitive case study in the area of accounting irregularities and fraud.
[10] Gangster Hunters: How Hoover's G-Men Vanquished America's Deadliest Public Enemies[11] is the story of the early FBI agents who brought down John Dillinger, Bonnie & Clyde and other 1930s criminals.
[12] A golfer, Oller won Willkie Farr & Gallagher's annual golf tournament in Florida a record four times.