TOPS 2021-2022 Board of Directors


Stephen Schleicher_TOPS
Stephen M. Schleicher, MD, MBA
Medical Oncologist
Tennessee Oncology, PLLC

Stephen Schleicher, MD, MBA, is a practicing oncologist at Tennessee Oncology. After receiving a full academic scholarship to attend Vanderbilt School of Medicine, Dr. Schleicher went on to be one of two McArthur Healthcare Leadership Fellows at Harvard, which included internal medicine residency training at Harvard’s Brigham and Women’s Hospital in combination with an MBA at Harvard Business School.

While in Boston, Dr. Schleicher spent time as a consultant at McKinsey and Company. He completed his oncology fellowship training at Memorial Sloan Kettering in New York where he created a healthcare policy track for fellows.


Mark Sittig_TOPS
Mark Sittig, MD
Radiation Oncologist
Tennessee Oncology, PLLC

Immediate Past President

Jack Erter_TOPS
Jack William Erter III, MD
Medical Oncologist
Tennessee Oncology, PLLC


Kathy McGee
Chief Clinical Operations Officer
Tennessee Oncology, PLLC

APP Liaison

Lauren Welch, MSN, NP-C, AOCNP
Advanced Practice Provider and Sub-Investigator, Drug Development Unit
Tennessee Oncology/Sarah Cannon Research Institute
Nashville, TN

Lauren Welch, MSN, is a board-certified nurse practitioner and an advanced oncology nurse practitioner. She is currently working as a sub-investigator and nurse practitioner in the Drug Development Unit at Tennessee Oncology/Sarah Cannon Research Institute in Nashville, TN. Ms. Welch works primarily with patients with lung cancer, caring for those on early- and late-phase clinical trials as well as those receiving standard-of-care therapies. She works collaboratively with her supervising physician to provide empathetic and comprehensive cancer care. She enjoys patient and staff education and is skilled in symptom management. 

Ms. Welch is a Board Member for the Tennessee Oncology Practice Society and is part of the Appalachia Community Cancer Alliance that is advancing lung cancer screening across the Appalachian region. She serves on the Avanced Practice Provicer (APP) Executive Committee within Tennessee Oncology and is also on the OneOncology APP OneCouncil. Ms. Welch has chaired multiple lung cancer advisory boards for nurses and has presented at multiple conferences, including the Advanced Practice Providers Oncology Summit in 2020.

Ms. Welch earned her master's degree in nursing from Middle Tennessee State University and previously worked as a registered nurse at Vanderbilt University Medical Center Emergency Department and Trauma Intensive Care Unit.

Fellow Liaison

Katherine P. Baker, MD
Clinical Fellow, Division of Hematology/Oncology, Department of Medicine
Vanderbilt University Medical Center
Eric M. Lander, MD
Clinical Fellow, Division of Hematology/Oncology, Department of Medicine
Vanderbilt University Medical Center
Ameet Patel_TOPS
Ameet Patel, MD
Clinical Fellow, Division of Hematology/Oncology, Department of Medicine
Vanderbilt Ingram Cancer Center


Dana Cardin_TOPS
Dana Cardin, MD, MSCI
Assistant Professor of Medicine, Hematology/Oncology
Vanderbilt Ingram Cancer Center

Dana Cardin, MD, MSCI, is an assistant professor of medicine in the division of hematology/oncology. After receiving her undergraduate degree in biology from the University of North Carolina, Dr. Cardin worked for two years in a translational research lab that used gene targeting techniques to create mouse modeling systems to better understand human disease. After this invaluable research experience, she attended medical school at the University of North Carolina, and went on to match at NYU in Diagnostic Radiology. Dr. Cardin completed her internship in internal medicine at Mt. Sinai Hospital in New York, New York, which subsequently led her to Vanderbilt University Medical Center to complete her residency in internal medicine.

Dr. Cardin specializes in malignancies of the gastrointestinal tract with a research interest in phase I and pancreatic cancer trials. She is an active member of the American Society of Clinical Oncology and the American Association for Cancer Research.

Jill Gilbert_TOPS
Jill Gilbert, MD
Professor of Medicine, Hematology/Oncology; Director, Hematology/Oncology Fellowship Program
Vanderbilt Ingram Cancer Center

Jill Gilbert, MD, joined the Vanderbilt Oncology Program in 2006 and since then has continued her work in head and neck clinical trial investigation. In 2009 she became the program director of the hematology and oncology fellowship at Vanderbilt where she was selected to participate in the ASCO Leadership Development Program. Dr. Gilbert has chaired the Career Development Subcommittee of the Professional Development Committee and now chairs the Oncology Training Program Committee. She is co-chair of the Pre-ASCO Symposium, which targets medical educator professional development, and has been appointed to the Medical Oncology Subspecialty Board of the American Board of Internal Medicine.

Philip E. Lammers, MD, MSCI
Medical Oncologist/Hematologist
Baptist Cancer Center

Philip Edward Lammers, MD, MSCI, is a board-certified medical oncologist and hematologist with a strong focus on breast cancer. He is the medical director of clinical oncology research and leads the Clinical Trials Committee at Baptist Cancer Center.

Dr. Lammers is an active member in Baptist’s Mid-South Minority and Underserved National Cancer Institute Community Oncology Research Program (NCORP), a program funded by the NCI that allows Baptist patients access to groundbreaking clinical trials.

Along with the Baptist Medical Group breast surgeons, he helps lead the Multidisciplinary Breast Cancer Clinic at Baptist Cancer Center, a biweekly gathering of surgeons, oncologists, hematologists, nurse navigators, and other oncology care providers who meet to discuss patient cases and recommend the best plan of care for the patient.

Dr. Lammers has secured national grant funding for several projects and has been named to several national cancer committees, including the Southwest Oncology Group Breast Cancer Committee.

Richard Martin
Richard L. Martin III, MD, MPH
Tennessee Oncology
Clarksville, TN

Richard Martin III, MD, MPH is a hematologist and oncologist at Tennessee Oncology in Clarksville, TN. Dr. Martin’s research focuses on using multi-disciplinary and inter-professional partnerships to improve laboratory processes as well and patient and provider communication and education.

Dr. Martin completed medical school at the University of Washington in Seattle, WA. He completed an internal medicine residency at the University of Wisconsin. He also completed a teaching fellowship at Spokane Internal Medicine and a hematology/oncology fellowship at the Vanderbilt University Medical Center.

Anthony Meluch_TOPS
Anthony A. Meluch, MD
Medical Oncologist
Tennessee Oncology, PLLC
Gregg C. Shepard, MD
Medical Oncologist
Tennessee Oncology, PLLC

Gregg Shepard, MD, is a medical oncologist with Tennessee Oncology, PLLC. He is board certified in medical oncology and hematology. Dr. Shepard received his medical degree from the University of Tennessee, Memphis, and completed his residency and fellowship at Wake Forest University Medical Center.

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