Board Members

Linda Winger, MSc, FACHE

Vice President, Emerging Technology, MedStar Health - Washington D.C. Region

Ms. Winger is also the Vice President, Emerging Technology at MedStar Health. In her role she facilitates the advancement of MedStar Health’s technology and technological services including research, identification, evaluation, strategy development and the implementation of next generation medical technology, products, services, and initiatives within the MedStar System.

She has previously served as Vice President, Oncology Services, Washington Region for MedStar Health developing a distributed care delivery network, providing regional direction and oversight to entity service line leaders in their respective specialty areas and identified opportunities for service line development. She also serviced as the Vice President for Professional Services at MedStar Georgetown University Hospital.

Linda has a BS in Accounting and Masters of Science in Health Administration from the University of Oklahoma and is a Fellow in the American College of Healthcare Executives.

Gregg Dickerson, MD

Medical Director, Anova Cancer Care

Dr. Dickerson is the medical director and specialist in CyberKnife Robotic Radiosurgery at Anova Cancer Care. Dr. Dickerson graduated from the Indiana University School of Medicine and completed his residency in radiation oncology at the Thomas Jefferson University Hospital where he served his final year as Chief Resident and Fellow of the American Cancer Society. He was Director of Radiation Oncology at Indiana University Health Ball Memorial Hospital and President of East Central Indiana Radiation Oncology. He was also President of the Indiana and Mississippi Radiological Societies. Dr. Dickerson has served as an Assistant Clinical Professor of Radiation Oncology at Indiana University School of Medicine, a Clinical Assistant Professor of Radiation Oncology at St. Louis University School of Medicine, and currently serves as a Professor of Clinical Medicine at Rocky Vista University School of Medicine. Dr. Dickerson is a Fellow of the American College of Radiology and a Fellow of the American College of Radiation Oncology. He is a past member of the Economics Committee of the American College of Radiology. He served as a flight surgeon in the U.S. Air Force/Air National Guard for almost 10 years and reached the rank of Major. He has over ten years of CyberKnife experience, and prior to Anova Cancer Care, founded the 12th CyberKnife center in the country in Jackson, Miss.

James A. Te Winkle

Partner and Chief Strategy Officer, Accelitech

Mr. Te Winkle, Chief Strategy Officer, plays a key leadership role in developing Accelitech’s business strategy and identifying market transitions to support the company and its cancer center clients in executing against growth opportunities while mitigating risk. Prior to founding Accelitech, Mr. Te Winkle was Senior Director of Operations, Technology Ventures at NeuroSource. There, he was responsible for managing a national network of hospital-based stereotactic joint ventures and for developing a standardized operational process for joint venture implementation and development. Prior to NeuroSource, Mr. Te Winkle was the Senior Director of Business Development at Health Forum, a subsidiary of the American Hospital Association (AHA). There Mr. Te Winkle was responsible for leveraging the brand value of the American Hospital Association (AHA) by identifying and securing strategic partnership programs and creating sustainable revenue growth through the development of products and services and capitalizing on Internet-based opportunities. Prior to his work at Health Forum, Mr. Te Winkle was the Director of Client Solutions, CorSolutions, Inc., where he developed a standardized process and clinical outcome reporting system. He also led the strategic development process for current and new business initiatives. Earlier in his career, Mr. Te Winkle held a number of clinical positions within the outpatient cardiovascular setting and in hospital-based oncology programs. Mr. Te Winkle holds an MBA, with a specialization in healthcare, from Lake Forest Graduate School of Management in Lake Forest, Illinois; an MS in Exercise Science and Cardiovascular Research from Northeastern Illinois University in Chicago, Illinois, and a BS in Nursing from Hope College in Holland, Michigan.

James Schwade, MD

Treasurer, CyberKnife Coalition, Incorporated
Executive Director, CyberKnife Center of Miami and CyberKnife Center of Palm Beach

Dr. Schwade is an internationally recognized Radiation Oncologist who has practiced for more than 28 years in Miami, Florida. He initiated the first CyberKnife location in the Southeastern U.S., and is certified as trained to utilize the CyberKnife.  He holds the ranks of Clinical Professor of Radiation Oncology at the Miller School of Medicine at the University of Miami; Clinical Professor, Department of Radiology, at the Werthheim College of Medicine at Florida International University; and Adjunct Professor of Biomedical Engineering at Florida International University. He is a Fellow of the American College of Radiology, A Fellow of the American College of Radiation Oncology, and a Fellow of the American Society for Radiation Oncology. Dr. Schwade has received gubernatorial appointments to the Florida HRS Advisory Council on Radioation Protection (1985-1999), and was recently re-appointed to the Florida Cancer Control and Research Advisory Board (2005-present), the major advisory panel to the Governor and Legislature of Florida regarding cancer related issues. He is a 1969 graduate of Washington University in St. Louis (AB, cum laude), and graduate from the Medical College of Wisconsin (MD 1973).

Mark Brenner, M.D., F.A.C.R

Chairman of Radiation Oncology, St. Vincent Hospital, Worcester MA

Dr. Brenner was the Chief of Radiation Oncology at Sinai Hospital in Baltimore, Maryland for nearly 20 years and established their CyberKnife Center in 2003. He has been at St. Vincent Hospital since May of 2010, and in January 2012 he started providing CyberKnife treatments. He is also an ACR Radiation Oncology practice accreditation surveyor and past Chairman of the Committee. Mr. Brenner received his undergraduate at Duke University (B.A. in both Psychology and Religion), his M.D. from Tufts University, his PGY-1 in Internal Medicine at the New England Deaconess Hospital, Boston and did his residency and fellowship in Radiation Oncology at the Harvard Joint Center for Radiation Therapy in Boston, MA.

Mark Perman, MD

Board Certified Radiation Oncologist; Diplomate, American Board of Radiology
CyberKnife Center of South Florida

Dr. Perman has been practicing radiation oncology for over 20 years. He completed his residency at Albert Einstein Medical Center in Philadelphia and medical school at the Medical University of South Carolina in Charleston. During his time in practice, he has had experience with emerging radiation technologies. Dr. Perman’s passion has been the CyberKnife, having treated 500 patients with the device over the past 7 years. As a CyberKnife pioneer, he has co-authored several textbook chapters and publications. He is also quite active in CyberKnife professional organizations, serving as the President of the Florida Robotic Radiosurgery Associations and is a member of the board of directors of the CyberKnife Coalition.

Greg Spurlock

Chief Administrative Officer, US Radiosurgery

Greg Spurlock serves as the President of Alliance Oncology and Alliance HealthCare International. He joined Alliance Oncology through the April 2011 acquisition of US Radiosurgery, where he was the Chief Administrative Officer and Chief Operating Officer. Mr. Spurlock’s entire career has been focused on facility development, physician relationships, and ancillary services. Prior to joining US Radiosurgery, he served as Executive Vice President of NeoSpine, where he was responsible for surgery center development and operations, as well as the management of all architecture and construction related to the company’s spine surgery center projects. Prior to that role, Mr. Spurlock served as Chief Executive Officer of Imaging One, LLC. He has also held the role of Executive Director at Tennessee Orthopaedic Alliance (TOA) and at the Kerlan-Jobe Orthopaedic Clinic in Los Angeles.

John W. Rieke, MD, FACR

Radiation Oncologist and Medical Director, MultiCare Regional Cancer Center, Washington State

Dr. Rieke is the Radiation Oncologist and Medical Director of the MultiCare Regional Cancer Center located in the South Puget Sound region of the state of Washington. Dr. Rieke has been doing research and treatment with SRS and SBRT since the early 1990’s. He has held the following titles throughout his career, Clinical Professor of Radiation Oncology at the University of Washington in Seattle, Medical Director and Divison Head of Radiation Oncology at the Virginia Mason Cancer Institute. He trained in Internal Medicine at the University of Minnesota, and in Radiation Oncology at Stanford.