Arens studied at the University of New Mexico and University of Chicago.
He began his career as sports editor of the Albuquerque Tribune-Citizen. He relocated to New York in 1917 and in 1918 founded the
Flying Stag Press which published and printed magazines until 1927.
He was art editor of Vanity Fair in 1922-1923 and managing editor
of Creative Arts magazine from 1925-1927. From 1929-1935 he was
head of the industrial design division at Calkins and Holden Advertising.
He began his own company in 1935. He was a member of the Society of
Designers for Industry in New York City. His design work was reproduced
in the 1939 New York World's Fair and appeared in House and Garden,
Vogue, Good Housekeeping, Charm and Harper's Bazaar as well as others.