He spent the early years of his career as an instructor, professor, and director of the choir at Bethany Lutheran College in Mankato, Minnesota (1936–1940); the University of Minnesota in Minneapolis-St. Paul (1940–1941); and Concordia Collegiate Institute in Bronxville, New York. In 1948, Hoffmann helped found the LCMS Department of Public Relations in New York City and served as its director until 1963.
This passage describes Hoffmann's early career path, highlighting his roles as an educator and leader within various institutions. It also mentions his involvement in founding the LCMS Department of Public Relations.