Dr. Clark received his medical degree from Howard University in Washington, D.C. and finished a residency in anatomic pathology at the National Cancer Institute in Bethesda, MD. He then completed fellowships in both molecular diagnostics and cytopathology at the Medical College of Virginia in Richmond, VA. In 2004, he was a clinical instructor at Memorial Sloan-Kettering Cancer Center. In 2007, Dr. Clark was recruited to a newly opened cancer center operated by Maimonides Medical Center in Brooklyn, NY where he served as vice-chair for anatomic pathology. Dr. Clark is a member of the American Society of Cytopathology.