Steve Penny has denied that he or USAG attempted to cover up allegations of abuse by Larry Nassar. But emails indicate he and other top officials intentionally delayed contacting the FBI.
Executives from the U.S. Olympic Committee and the governing bodies of swimming, taekwondo and volleyball also testified about changes their organizations are making to protect athletes from abuse.
Michigan State University, which failed to adequately monitor USA Gymnastics team doctor Larry Nassar, on Wednesday settled a lawsuit by 300 gymnasts, including Jeanette Antolin, for $500 million.
The terms of the agreement call for the bulk of the money to be paid out to more than 300 women and girls, with some set aside in a trust for possible future claimants.
Sheriff's deputies have arrested William Strampel, the 70-year-old former dean of Michigan State's College of Osteopathic Medicine. He faces four charges.
The lawsuit seeks unspecified damages, claiming the Olympic medalist lost millions of dollars in earnings. Raisman says her priority is pushing for change to protect other athletes.
A USOC statement cited health issues from prostate cancer as the reason for Scott Blackmun's resignation, at the same time it announced new reforms to protect "the Olympic community" from abuse.
A dramatic video of the incident shows the man suddenly rushing at the former USA Gymnastics doctor during Nassar's third sentencing hearing. The man's three daughters say they were abused by Nassar.