Ecaterina Szabo is a former Romanian artistic gymnast who won 20 Olympic, world and continental medals.

Márta Károlyi is a Hungarian-American gymnastics coach and the former national team coordinator for USA Gymnastics. She and her husband, Béla, are ethnic Hungarians from Transylvania, Romania, who trained athletes in Romania before defecting to the United States in 1981. Béla and Márta Károlyi have trained nine Olympic champions, fifteen world champions, sixteen European medalists and many U.S. national champions, including Mary Lou Retton, Betty Okino, Kerri Strug, Teodora Ungureanu, Phoebe Mills, Nadia Comăneci, Kim Zmeskal, and Dominique Moceanu.