Earlier in his career Kashiwa went to the ski team at the University of Colorado. Later he moved for two years to the team of the army. Between 1967 and 1972 he took up for the U.S. national team and took it from 1968 to 1971 at the Alpine Ski World Cup part. During this time, Kashiwa reached six times the top 10 and entered 1972 in Sapporo at the olympic winter games. He then moved to U.S. Pro Ski Tour.
After he had finished his active career, Kashiwa became a commentator for Skiübertragungen on television. Later he became president of Volant, a ski manufacturer from Colorado. He gave up this position to Vice President of the Yellowstone Club, a private ski resort with Golf Club near Big Sky, Montana, to become.