Dr. Cather is medical director at Modern Dermatology in Dallas, Texas and co-director of Cutaneous Lymphoma and Graft vs Host Clinics at Baylor University Medical Center in Dallas. Dr. Cather received her medical degree from the University of Texas Southwestern Medical School at Dallas and served her internship in internal medicine at Parkland Memorial Hospital in Dallas. She then completed a clinical research fellowship at M.D. Anderson Cancer Center in Houston, followed by a residency in dermatology at The University of Texas-Houston Medical School in Houston.

Actively involved in clinical research, Dr. Cather has been principal or sub-investigator of more than 40 clinical trials. She has lectured extensively and has published widely. Articles under Dr. Cather's authorship or co-authorship have appeared in Journal of the American Academy of Dermatology, American Journal of Hematology, Cutis, Dermatologic Therapy, Dermatologic Clinics, and other journals. Her articles cover a broad range of topics including investigational therapies for psoriasis, cutaneous T-cell lymphoma, and melanoma. Dr. Cather belongs to the American Academy of Dermatology, the American Medical Association, the Texas Medical Association, the Women's Dermatologic Society, the American Society for Laser Medicine and Surgery, and the National Psoriasis Foundation.