Zubek was born in Koscielisko and was the son of a family of skiers. He was an alpine skier and ski jumper in the "SN PTT-1907 Klub Sportowy Kemping Zakopane". He took part at the military patrol demonstration event of the 1936 Winter Olympics. The Polish team placed 8th. At the 1960 Winter Olympics he coached the cross-country skiing team and at the FIS Nordic World Ski Championships 1939. He also worked as a mountain guide for the Club Wysokogórskiego, later as a ski instructor, and cross-country coach of the SN and the KS Kolejarz PTT.