Gretel Oberhollenzer-RoggerGretel "Greti" Oberhollenzer-Rogger, née Rogger, is an Italian ski mountaineer. She and her husband are dairymen of the Rifugio Pian di Cengia aka Büllelejochhütte near Sexten.Selected results 2003:* 4th, Pierra Menta 2004:* 1st, Dolomiti Cup team * 2nd, World Cup team * 7th, World Championship team race