Background
Keller, Marek was born on November 27, 1955 in Warsaw, Poland.
Keller, Marek was born on November 27, 1955 in Warsaw, Poland.
Master of Science, Warsaw University Agriculture, 1978. Doctor of Philosophy, Institute Ecology Poland, 1983.
Assistant, Department Forest Zoology & Game Management, Warsaw, since 1982.
Member Polish Zoological Society (editor journal. since 1990).