Background
Tollefsen, Gerald Elmer was born on December 4, 1942 in Chicago, Illinois, United States. Son of Thor N. and Florence Elenore Tollefsen.
Tollefsen, Gerald Elmer was born on December 4, 1942 in Chicago, Illinois, United States. Son of Thor N. and Florence Elenore Tollefsen.
Bachelor of Science, Civil Engineering, Michigan Technology University, 1967.
Member technical staff, Sinclair Research, Harvey, Illinois, 1967-1969; member technical staff, Arco Petroleum Products, Harvey, 1969-1985; vice president technical service, Calumet Lubricants Company, Princeton, Louisiana, since 1985.
Member American Institute of Electrical Engineers, American Society Quality Control.
Married Beverly Gayle Sura, May 21, 1978. Children: Gayle, Sandra, Michael.