In January ex-USAG team doctor Larry Nassar was sentenced to up to 175 years after nearly 160 women accused him of sexual abuse.
His victims included Olympic champions Aly Raisman and Simone Biles.
USAG chief executive Kerry Perry resigned in September after criticism of her handling of the fallout.
A month later interim boss Mary Bono also stepped down.
Bono previously worked for a law firm which defended USA Gymnastics and Nassar during a sex abuse scandal in 2015.
She had also been criticised after appearing to oppose a Nike advertising campaign with Colin Kaepernick, the former NFL player and civil rights activist.
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