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Douglas J. Harrison, MD, MS 

Division Chief, Lisa Dean Moseley Foundation Institute for Cancer and Blood Disorders

Douglas J. Harrison, MD, MS is a board-certified pediatric hematology/oncology specialist who is highly experienced and fellowship-trained with expertise in bone and soft tissue sarcomas and a particular focus on childhood and adolescent rhabdomyosarcoma.

Anderson Collier, MD - Northeast Florida

Division Chief, Hematology/Oncology

Dr. Collier is a pediatric hematologist/oncologist who obtained undergraduate and medical degrees from Vanderbilt University in Nashville, TN.  He then completed his Pediatric residency and Pediatric Hematology-Oncology fellowship at University of Texas Southwestern in Dallas, TX where he did research on the RASSFIA pathway in Wilm tumors.  Following fellowship, he returned to Vanderbilt Children's Hospital as an assistant professor where he helped to organize the multidisciplinary sarcoma program. 

Mary Toth, MD - Central Florida

Interim Division Chief, Hematology/Oncology

Dr. Toth is a rheumatologist at ¾Ã¾Ã¾Ã¾Ã¾Ã¾Ã¾Ã¾«Æ· Children’s Hospital, Florida and professor of pediatrics at the University of Central Florida Medical School. Dr. Toth has over 30 years of experience in clinical rheumatology and research. After graduating from Northeast Ohio Universities College of medicine and completing a pediatrics residency at Medical College of Ohio at Toledo, she completed her rheumatology fellowship at the University of Michigan.