Olimpiu-Dumitru Popescu-Colibași, nicknamed Tata Pik, was a Romanian handball manager, rugby union player and author of books on sports. He had pioneered handball in the city of Brașov. Popescu-Colibași graduated from the A.N.E.F. in 1937. He helped develop many leading handball players during decades: including Anna Stark, Maria Scheip, Mara Windt, Gerlinde Reip, Edeltraut Franz-Sauer, Iuliana Nako, and Rodica Floroianu.