Denis Lin joined Tandem Labs in 1994 as president and CEO. Prior to joining the organization, Dr. Lin was president of ETC, an environmental testing laboratory, from 1992 to 1994, where he also served as founder, board member, and vice president of research and operations. From 1988 to 1992, Dr. Lin was the co-founder, president, and CEO of National Express Laboratory, Inc. (NatEx). Prior to NatEx, he was senior vice president of operations at Enesco, which owned the startup bioanalytical laboratory known as PPDI, Inc. From 1977 to 1981, Dr. Lin served as the manager of the environmental and health chemistry division of Battelle Columbus Laboratories. Dr. Lin earned his doctorate in mass spectrometry from the University of Manitoba and completed a post-doctorate fellowship at the University of Montreal.