Darrell T. Liu received his Ph.D. in Biochemistry from the University of Pittsburgh School of Medicine in 1961. He then completed post-graduate training in protein biochemistry at the Rockefeller University from 1961 to 1965 under Nobel Laureate Professors Stanford Moore and William H. Stein.
He taught at Rockefeller University from 1965 to 1967 as Assistant Professor of Biochemistry and worked as a Senior Biochemist at Brookhaven National Laboratory from 1967 to 1973.
Dr. Liu worked at the NIH National Institute of Child Health and Human Development (NICHD) as the Section Head of Biochemistry from 1973 to 1974.