Clarence Doser was born in Rochester, New York in 1909. He grew up near the Rochester Country Club where his uncle and Walter Hagen were the co-professionals. In 1925 Doser turned pro and became a PGA member at age 16. He was a PGA member for more than 70 years. In 1937 he came to Philadelphia as the assistant at the Merion Cricket Club where he stayed for three years. Doser played in 21 PGA Championships, 19 U.S. Opens and three Masters Championships. When the PGA Championship was still played at match play he made it to the semi finals once and the quarterfinals once. Doser won the Western New York PGA Section Championship four times, the Metropolitan Section PGA Championship three times and the Middle Atlantic PGA Section Championship twice. Because of the strength of the field his three Met Section titles were considered the equivalent of wins on the PGA Tour at that time. Doser finished his career at Scarsdale and is a member of all three of those PGA Sections Halls of Fame.