Our Team

Elizabeth Dovec, MDElizabeth Dovec, MD
Medical Director - GBMC Comprehensive Obesity Management Program
Bariatrics and Advanced Laparoscopic Surgeon


Dr. Dovec joined GBMC’s Comprehensive Obesity Management Program in July 2013. A board-certified General Surgeon, she completed her Fellowship at Vanderbilt University’s Advanced Laparoscopic and Bariatric Surgery Fellowship Program. Having earned her medical degree at Marshall University in Huntington, WV, she completed her residency at Allegheny General Hospital. Active in multiple professional societies, including the American Society for Metabolic and Bariatric Surgery (ASMBS), Dr. Dovec remains committed to educating, improving, and expanding on the field of weight loss surgery. She has presented at numerous regional, national and international conferences and authored abstracts, peer-reviewed publications and a laparoscopic gastric bypass operative technique book chapter.

Baltimore Magazine "Top Doctor" - 2015 & 2016

Medical School - Marshall University, Huntington, WV
Residency - Allegheny General Hospital, Pittsburgh, PA
Fellowship - Vanderbilt University, Nashville, TN
Board-Certified by the American Board of Surgery


Elizabeth Dovec, MDGustavo E. Bello, MD
Bariatric Surgeon

Dr. Bello joined GBMC C.O.M.P. in 2015. He was born in Caracas, Venezuela where he later went on to earn his medical degree at the Universidad Central de Venezuela. He then came to Pittsburgh, PA to do his surgical internship at the Western Pennsylvania Hospital. He completed his surgical residency at the Penn State Milton S. Hershey Medical Center where he also served as chief resident. Dr. Bello completed his clinical fellowship in Advanced Minimally Invasive and Bariatric Surgery at Penn State. He most recently served as the Founder and Medical Director of the Uniontown Hospital Weight Loss Surgery Center.

Medical School - Universidad Central de Venezuela, Caracas, Venezuela
Residency - Pennsylvania State Milton S. Hershey Medical Center, Hershey, PA
Fellowship - Penn State Milton S. Hershey Medical Center, Hershey, Pennsylvania
Board-Certified by the American Board of Surgery


Timothee Friesen, MDTimothee Friesen, M.D.
Bariatric Surgeon

Dr. Friesen joined GBMC in 2013 after completing his fellowship training in Laparoscopic and Bariatric Surgery at North Shore University in Manhasset, NY. He went to medical school at the University of Maryland. He went on to complete his surgical training at the Washington Hospital Center. He grew up near Lyon, France. He has been married to his wife, Memuna, since 2001 and enjoyed traveling and flying home-built model airplanes with his four children.

Medical School - University of Maryland, College Park, MD
Residency - Washington Hospital Center, Washington, DC
Fellowship - North Shore University, Manhasset, NY
Board-Certified by the American Board of Surgery


Jana Wolff, RD, LDNJana Wolff, RD, LDN
Director of Nutrition

Jana became a member of the GBMC COMP team in July 2016. She was born in Long Island, New York. Jana received her Bachelor’s degree in both Nutrition Sciences and Communications and completed her dietetic internship at Johns Hopkins. Jana has always been interested in the unique role that food plays in everyone’s life. Jana also worked in worksite wellness for seven years before becoming a Registered Dietitian. In her spare time she loves cooking with her husband and spending time with friends and family.

Jennifer Muller, RDJennifer Muller, RD
Registered Dietitian

Jen became a member of the GBMC COMP team in May 2014. She was born in Columbia, MD and is a graduate of University of Maryland College Park. She has a passion for changing people’s lives through nutrition and enjoys running and spending time with her family in her spare time.

Mary Macon Price, CRNPMary Macon Price, CRNP
Nurse Practitioner

Mary Macon is one of the newest members of the C.O.M.P. team. She has been a nurse practitioner since 2014 and moved to Maryland from her native Georgia to pursue her dream of incorporating a love of nutrition and exercise into her work. She attended Emory University in Atlanta, Georgia, earning a Bachelor of Arts in Psychology, a Bachelor of Science in Nursing and a Master of Science in Nursing as a Family Nurse Practitioner. She enjoys indoor spinning, running, cooking, anything outdoors and spending time her friends, family and chocolate Labrador retriever, Booker.

Summer Sheffield, MSN, CRNPSummer Sheffield, MSN, CRNP
Nurse Practitioner

Summer joined GBMC's Comprehensive Weight Management Program in August 2016 after graduating from the University of Delaware with a Master of Science in Nursing, Family Nurse Practitioner Program. She previously worked as a registered nurse on a General/Bariatric Surgery unit, which inspired her to become a nurse practitioner in this specialty. Her favorite part of the job is listening to her patients proudly describe weight loss victories like lowering their Hemoglobin A1C out of diabetic range and being able to ride roller coasters again. Summer enjoys cooking, trying new restaurants in Baltimore, reading, watching documentaries and travel.


Rosalind AmbushRosalind Ambush
Practice Coordinator

Rosalind has been a member of GBMC COMP team since 2014. She is a graduate of Southern Ohio College. She enjoys photography, painting an interior design.
Eve BowmasterEve Bowmaster, RN, BSN
Metabolic and Bariatric Surgery Chart Reviewer

Eve has been a member of the GBMC C.O.M.P. team since July 2015. She is a graduate of Towson University and resides in the Baltimore area with her husband and three children. Eve loves to garden and is an avid reader.



Adrienne FreedmanAdrienne Freeman
Patient Service Assistant

Adrienne has been with GBMC C.O.M.P. since April 2008. She was born and raised in Buffalo, NY. She enjoys cooking, reading and knitting. She has also taught art and pottery.
Cindy SeymoreCindy Seymore
Medical Assistant

Cindy has been an employee of GBMC for eight years and part of the GBMC C.O.M.P. team since 2015. She was born in Trinidad and loves to watch HGTV.



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