Fred LeMaistre, MD

Senior Vice President, Sarah Cannon Market Operations and Physician-in-Chief of Blood Cancers

Dr. LeMaistre joined Sarah Cannon in 2012, is responsible for the clinical strategies of the Sarah Cannon markets and leads the development of the Sarah Cannon Transplant and Cellular Therapy Network. The Transplant and Cellular Therapy Network provides a multidisciplinary approach to standardize blood cancer therapies including blood and marrow transplantation (BMT). Previously the medical director for Texas Institute of Medicine and Surgery, LeMaistre is board certified in internal medicine and medical oncology, and has published more than 200 manuscripts.

He is a founding member and former president of the Foundation for the Accreditation of Cellular Therapy (FACT) and he established the first community-based BMT program in 1993. LeMaistre previously served as the president of the American Society for Blood and Bone Marrow Transplant and is currently a member of the American Society of Hematology. He received his medical degree from Southwestern Medical School in Texas and performed a fellowship in medical oncology at the University of Texas Health Science Center with training in BMT at Fred Hutchinson Cancer Center in Seattle, Wash.


Navneet Majhail, MD, MS, FASTCT

Deputy Physician-in-Chief of Blood Cancers, Sarah Cannon Transplant and Cellular Therapy Network

Dr. Majhail focuses on the continued development of the Sarah Cannon Transplant and Cellular Therapy Network which provides increased access for patients to cutting-edge cell and transplant therapies in the communities served by Sarah Cannon.

Prior to his time with Sarah Cannon, he served as the director of the Cleveland Clinic’s Blood and Marrow Transplant Program while also serving as the vice chair for the Department of Hematology and Medical Oncology and a Professor of Medicine with the Cleveland Clinic Lerner College of Medicine. He is a past-president of the American Society for Transplantation and Cellular Therapy (ASTCT) and has been recognized as a fellow for his contributions to the field of transplantation and cellular therapy. He is a respected thought leader in health outcomes research and has published extensively on the prevention and management of early and late complications of hematopoietic cell transplantation and health policy issues such as healthcare disparities, quality of care, survivorship and economic issues related to transplantation and cellular therapy.

In addition to his work at Sarah Cannon, Dr. Majhail serves as program medical director for the Sarah Cannon Transplant and Cellular Therapy Program at TriStar Centennial Medical Center in Nashville, Tenn.


Rocky Billups, MS

Vice President, Operations

Rocky Billups joined Sarah Cannon in 2011 and has more than 20 years of experience in clinical practice and developing oncology programs. He is responsible for the development and implementation of Sarah Cannon's strategy for the delivery of a comprehensive and integrated blood cancer service line in the United States. He was instrumental in the development of the Sarah Cannon Transplant and Cellular Therapy Network in 2011 and facilitated the opening of Sarah Cannon Research UK, the first Phase I oncology research facility in the private sector and accredited by the Care Quality Commission.

Billups received his diploma in nursing from St. Mary's School of Nursing in Huntington, West Virginia and his bachelor's and master's degrees in health services administration from Regis University. Previously, he served as administrator of the Sarah Cannon Cancer Institute and director of Oncology Program Development for HCA, TriStar Division. He is a professional member of the American Society of Clinical Oncology, American Society of Hematology, American Society of Blood and Marrow Transplantation and the Association of Community Cancer Centers.


Tonya Cox, BSN, RN, OCN

Assistant Vice President, Operations, Sarah Cannon Transplant and Cellular Therapy Network

Tonya Cox serves as the assistant vice president of operations for the Sarah Cannon Transplant and Cellular Therapy Network. She implements strategies, promotes operational standards and ensures that hematological malignancy and BMT services are coordinated across the Network with a focus on the patient experience across the continuum of care. She also collaborates with the hematology/BMT administrator and medical director of each program, RVPs, hospital CEOs and administrative teams to ensure strategy execution, efficient and quality services and overall promotion of network growth.

Tonya Cox previously served as the associate chief nursing officer for Cancer Care Services at Presbyterian/St. Luke's Medical Center in Denver. She holds a Bachelor of Science in biology from Palm Beach Atlantic College and a Bachelor of Science in nursing from Florida Atlantic University. A Colorado-licensed registered nurse and oncology-certified nurse, she is a member of the Oncology Nursing Society, American Society of Hematology and American Society for Blood and Marrow Transplantation.


Betsy Blunk, RN, BSN, CHTC, BMTCN

Clinical Informatics Director, Sarah Cannon Transplant and Cellular Therapy Network

Betsy Blunk joined Sarah Cannon in 2015 to serve at the Director of Clinical Informatics for the Sarah Cannon Transplant and Cellular Therapy Network. She is responsible for the implementation and ongoing development of the StafaCT software application and iNavigate software and collaborates with the StafaCT and iNavigate end users in each program. In addition to her role in informatics, she supports the transplant and data coordinators as well as the apheresis and cellular processing lab staff.

Betsy Blunk previously served as the quality operations manager at Presbyterian/St. Luke’s Medical Center in Denver. She holds a B.S. in Nursing from Creighton University. A Colorado-licensed R.N. and a certified nurse in bone marrow transplant and a certification in hematopoietic transplant coordination. She is a member of the American Society for Transplantation and Cellular Therapy.


Trista Carelock RN, BSN, ONC, BMT-CN

Director, Blood Cancer Clinical Programs, Sarah Cannon Transplant and Cellular Therapy Network

Trista serves as the Sarah Cannon Transplant and Cellular Therapy Network Clinical Program Manager and oversees nursing recruitment and retention efforts, new program and education development and patient experience initiatives.

She has worked in BMT, blood cancer and critical care nursing for nearly 20 years and has worked as a bedside nurse and in leadership positions in both the inpatient and outpatient settings. She obtained certifications in both OCN and BMT-CN and is passionate about enhancing nursing education as well as improving patient care and outcomes.