Our People

Jeffrey A. Donohue, M.D.

DonohueDr. Jeffrey A. Donohue is the National Medical Director at NexSlim.
Jeffrey A. Donohue, M.D. earned his medical degree from Louisiana State University (LSU) in 1992 and completed his residency in Family Practice at the University of Alabama College of Community Health Services in 1995. Dr. Donohue received the Resident Excellence in Teaching Award in 1994 and was the Chief Resident in 1994-1995. He was Board Certified as a Diplomate by the American Board of Family Practice in 1995.  He is also a Fellow of the American Academy of Anti-Aging, Functional & Regenerative Medicine and a Member of American Society of Bariatric Physicians. Dr. Donohue and his family live in the Metro-Atlanta area.



Dr. P. Robert Mitchell, M.D.  OB-GYN

DrMitchellZocDocDr. Mitchell obtained his Bachelor of Science degree from Wheaton College in Wheaton, IL. His M.D. is from The University of S. California. His OB/GYN residency was completed at Charity Hospital in New Orleans. He is a member of the Cobb County Medical Society. He performs surgery at Wellstar Kennestone Hospital and specializes in da Vinci Robotic Gynecologic Procedures. He currently has an active GYN practice in Marietta and has since 1970.

Dr. Mitchell gives back to the community through volunteering at Good Samaritan Health Clinic of Cobb County, which is a non-profit medical and dental clinic for low income workers.  He also served as chairman of the Cobb County Health Department.  He was the Founder of Young Life in Cobb County/Marietta and the Director of Urban Ministry Fellowship.
He and his wife Nancy have four children (3 girls, 1 son.) They have eleven grandchildren (9 girls, 2 boys). They have two Border Collie dogs (both females!)

His hobbies include golf, tennis, skeet shooting, reading and wood working.

Lynn D. Kunkel, BSN/MSN, Certified NP

Lynn Kunkel is the Nurse Practitioner at NexSlim Town Center

LynnHeadshotLynn Davis Kunkel earned her BS in Nursing at Kennesaw State University in 1988 and worked in emergency medicine for many years.  Then in 1998 she completed her MS in Nursing and obtained her Nurse Practitioner Certification in Women’s Health at Georgia State University.  She has worked for 14 years at South Cobb OB/GYN as a Women’s Health Nurse Practitioner.  Lynn also trained at the National Laser Institute as a provider of injectables: Botox/facial fillers (ie: Juvederm).   Lynn was born and raised in Smyrna, Georgia.   Our patients love Lynn’s straight forward and caring approach to helping them achieve their health and weight loss goals.


Shanda Hill, CMA and Clinic Manager

Shanda is the Patient Counselor at NexSlim Town Center

Medical Staff

Trained Wellness Consultant

Shanda was born and raised in the Metro-Atlanta area and is a Certified Medical Assistant as well as a Trained NexSlim Counselor.  She worked for many years in OB/GYN Patient care and women’s health.  After the birth of her first child, Shanda left the medical field to raise her children and take care of her family.  But she continued to work part time as an interior designer and general contractor in the remodeling business. Shanda also owned a successful interior design business.  But now that her kids are older, she has returned to her medical roots and has applied her time an energy to helping our patients lose weight and meet their health goals.  Shanda trained at NexSlim Corporate and NexSlim Franklin and brings a wealth of nutrition knowledge and motivational skills to our patients.  Shanda currently lives in Cobb County with her Husband and children.