Background
Jentz, John Macdonald was born on December 28, 1928 in New York City. Son of John Hellmer and Christine (Macdonald) Jentz.
Jentz, John Macdonald was born on December 28, 1928 in New York City. Son of John Hellmer and Christine (Macdonald) Jentz.
AB cum laude, Harvard University, 1952; postgraduate, Harvard University, 1952-1953; Master of Science in Building Engineering and Construction, Massachusetts Institute of Technology, 1956.
Instructor in сivil engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts, 1956-1957; principal owner, co-founder, president, Spring Brook Center Inc., Wellfleet, Massachusetts, since 1957; owner, Don Jentz Enterprises, Wellfleet, since 1961; principal owner, co-founder, president, Kauai Mountain Tours, Lihue, Hawaii., since 1980.
Senior Lieutenant Wellfleet Fire Department and Rescue Squad, since 1967. Candidate for selectman, Wellfleet. Member Cape Cod Foresters and Firefighters Association Inc., Center Massachusetts Police Association, Massachusetts Institute of Technology Club Cape Cod (co-founder 1976).