John Ryan, Ph.D., has spent over 34 years in the fields of both animal and plant cell culture. He received his initial culture training during the nine years he spent at the W. Alton Jones Cell Science Center in Lake Placid, New York. There he was a member of the Center's Education Department that offered a wide variety of undergraduate and postgraduate training programs in plant and animal cell culture techniques. Since then, he has worked for over fifteen years with Corning Life Sciences, where he is currently Technical Marketing Manager. He has also worked at Bionique Testing Laboratories, ATCC, and the University of Connecticut from where he received his doctorate in Biochemistry.