He is a graduate of the University of California, San Diego, and Cornell Law School; a member of the governing council of the American Bar Association’s Section of Science and Technology Law; and the vice chair of the ABA’s Scientific Evidence Committee. Knaier has expertise in the use and misuse of scientific evidence and in the admissibility of expert testimony. His publications have appeared in the Cornell Law Review, the California Western Law Review, the ABA’s Scientific Evidence Review, California Litigation, and elsewhere.