She served as one of the directors of the ATW in its early years, and played a critical role in establishing both the Stage Door Canteen during World War II and the Tony Awards in 1947.

[3] She left that post after successfully auditioning as a singer for Marcus Loew; who booked her for three performances a day in his vaudeville circuit.

Heims Beck became a close partner to her husband in his theatrical endeavors, advising him on productions and reviewing potential scripts for use in his theatres.

[3] In 1940 Heims Beck co-founded the American Theatre Wing (ATW) with Antoinette Perry, the organization responsible for the Tony Awards.

[3][2] Initially the organization was established to raise funds and supplies, such as clothing and medical items, to aid American and British military personnel in need during World War II (WWII).

[8][9] In addition to her work with the ATW, Heims Beck was dedicated to the Actors Fund of America; serving first as a trustee of the organization and then chairman of its governing executive committee from 1960 until her death eighteen years later.