Stralem served as president of the National Travelers Aid Association [6] and chaired their 1950 biennial convention.
[7] Recognizing the impact of his philanthropy on the local area, New York City named him as an honorary deputy commissioner of the Fire Department.
[9] He also served as president and chairman of the George Junior Republic Association (GJRA) and as a member of the advisory board of the Girl Scouts of the USA's New York chapter.
[13] Jean Stralem owned an extensive private art collection, which featured works by Pablo Picasso, Henri-Émile-Benoît Matisse, Edgar Degas, and Pierre-Auguste Renoir.
Paralleling her husband's philanthropy, Jean Stralem served on the board of directors of the American Theatre Wing and Lighthouse International in New York City.