Dr. Stallcup excelled in teaching, research, and service to the Keck School of Medicine and the scientific community. He served as Chair of the American Cancer Society Biochemistry and Endocrinology Study Section and Chair of the NIH Molecular and Cellular Endocrinology Study Section. Throughout his time at USC, he lectured graduate students and medical students, served on a very large number of PhD Qualifying Exam and Dissertation Committees, and trained 24 PhD students, 14 MS students, and 15 Postdoctoral Fellows in his own research lab. In 2010 he was awarded the USC Mellon Award for Excellence in Mentoring of Faculty in recognition of his efforts to support the development of his mentees. He has introduced countless undergraduate and graduate students to the intricacies of gene expression and epigenetic regulation through course lectures and seminars; in testimony to his skill, he received the Robert S. Cleland Excellence in Teaching award six times and was recognized as an outstanding Graduate Student Teacher by the Keck School of Medicine in 2001. Dr. Stallcup served as the co-leader of the Epigenetics and Regulation program in the USC Norris Comprehensive Cancer Center, Director of the interdepartmental PIBBS PhD Graduate Program, and Director of the NIH/NIGMS predoctoral training program in Genetics, Molecular, and Cell Biology. Dr. Stallcup shepherded every organization he led with immense success. He served on the editorial boards and reviewed manuscripts for many top-tier journals during his entire career. His research provided critical new insights into the mechanisms of steroid hormone action which, most recently, has led to the identification of inhibitors that sensitize leukemia cells to glucocorticoid-induced cell death. Throughout his career, Dr. Stallcup has volunteered his time and energy towards elevating the reputation of USC, while serving as a strong mentor, supporter, and role model for students, faculty, and staff.