Desrosiers was a radiation chemist (as a Postdoctoral Fellow) at the Argonne National Laboratory in Illinois from 1984-86. in inorganic chemistry from the University of California at Santa Barbara in 1983. in chemistry from Boston College in 1978, and his Ph.D. Desrosiers, a research chemist at the National Institute of Standards and Technology from June 1986 to January 2017, received his B.S. National Institute of Standards and Technology, 1986 – 2017