Sofia Bekatorou won gold in sailing during the 2004 home Olympics and is one of Greece's major sports profiles.
During a digital press conference last week, she told about the sexual abuse she was subjected to as a 21-year-old.
It triggered a wave of support from a number of public figures, including Greek President Katerina Sakellaropoulou.
"I hope this helps other women to speak out if they have experienced sexual abuse so our society can be better and less afraid," Bekatorou said after his three-hour testimony.
The sexual assaults are said to have taken place when Bekatorou during a qualifier before the Olympics in Sydney, but despite the fact that the crime has exceeded the statute of limitations, a prosecutor now wants to investigate the case further.
The accused man, who has been allowed to leave his position within the Greek Sailing Federation and the Greek Olympic Committee, denies the allegations and claims that the public anger has undermined his ability to defend himself.
More women are stepping forward
According to Bekatarou's testimony, more and more women have dared to come out with their stories of sexual abuse.
Marina Psychogyiou, also a sailor, writes on Facebook how she has also been sexually abused by a union top.
Mania Bikof, formerly this water polo player, has told about how she and several other players in the team were sexually harassed by a doctor.
Rabea Latridou, formerly this World Cup swimmer, tells how during a knee examination she was told to take off all her clothes and how the doctor then touched parts of her body that had absolutely nothing to do with the examination.
Hard grip from the government
According to the testimonies, the government has promised tough measures to get to the bottom of the accusations and problems.
On Facebook, the country's Prime Minister Kyriakos Mitsotakis writes that he supports Bekatorou and the other victims.
"It is time to get rid of the violence from those in positions of power."