While a student athlete at Yale University, he was initiated into the 1916 class of the Skull and Bones Society.[2]: 171–2
He also competed in the exhibition baseball tournament in Stockholm. It was the first appearance of baseball at the Olympics and Oler was one of four Americans who played for the Swedish team.
After working at a brokerage, he joined General Motors in 1939 and retired as Director of Public Relations in 1956.[3]