Background
Kollenkark, Jeffrey Clair was born on September 14, 1954 in Syracuse, New York, United States. Son of Charles L. and Phyllis K. (Barringer) Kollenkark.
Kollenkark, Jeffrey Clair was born on September 14, 1954 in Syracuse, New York, United States. Son of Charles L. and Phyllis K. (Barringer) Kollenkark.
Bachelor of Science in Plant Science, U. Delaware, 1975; Master of Science, Purdue University, 1977; Doctor of Philosophy in Agronomy, Purdue University, 1980.
Field researcher, Eli Lilly & Company, Fresno, California, 1981-1985; agronomist R & D turf and ornamentals, Chemical Industries Basel-GEIGY Corporation, Fresno, since 1985. Owner Turf Masters Lawncare, Fresno, 1985-1987.
Member American Society Agronomy, American Society Phytopathology.
Married Melissa Ann Brumbach, June 7, 1985. Children: Katie Lynn, Kevin Charles, Kara Beth.