Benitec has named two additional members to its scientific advisory board: David Engelke is director of the University of Michigan program in biomedical sciences, and is also professor of biological chemistry. He is an expert on small RNAs, including those that induce RNA interference, the company said. Cy Stein is head of medical genitourinary oncology and professor of medicine, urology and molecular pharmacology at the Albert Einstein College of Medicine in New York.