Our Physicians

Jonathan S. Weiss, M.D.

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  • Bachelor of Science, University of Michigan with Highest Distinction, 1980
  • Doctor of Medicine, University of Michigan, Ann Arbor, MI, 1984
  • Internship, Internal Medicine, University of Michigan, 1984-85
  • Residency, Dermatology, University of Michigan, 1985-88
  • Chief Resident, University of Michigan, Department of Dermatology,
  • Board Certified, American Board of Dermatology, 1988

Dr. Jonathan Weiss joined Georgia Dermatology Partners and Gwinnett Clinical Research Center in 1991. He has active clinical and research interests in psoriasis, topical and systemic retinoids, photodamage, actinic keratosis, skin cancer, rosacea, infectious disease, and cosmetic dermatology. Dr. Weiss enjoys challenging medical matters involving the skin and is committed to helping patients achieve their skin health goals.

He has authored or co-authored over 85 medical and dermatology publications in several journals. In addition to practicing at Georgia Dermatology Partners, Dr. Weiss is an adjunct assistant clinical professor of Dermatology at Emory University School of Medicine and lectures regularly at national meetings. He is a past president of the Atlanta Association of Dermatology and Dermatologic Surgery and the Georgia Society of Dermatology and Dermatologic Surgery and fulfills positions on the Board of Directors and Advisory Council for the Dermatology Foundation He is also a member of the American Academy of Dermatology, the American Medical Association, and the Medical Association of Georgia. He is a reviewer and member of the Editorial Board of the Journal of the American Academy of Dermatology and a reviewer for several other medical journals. He has received the Physician Recognition Award from American Medical Association and American Academy of Dermatology (AAD), received a Presidential Citation Award from the AAD and has been a Castle-Connolly Top Doctor since 2001.

Dr. Weiss is an avid tennis player and loves hiking and yoga. He is married and has two children.

Keith D. Wright, M.D.

GDP Bio Kieth
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  • Bachelor of Science, Morehouse College, Honors, 1988
  • Doctor of Medicine, Meharry Medical College, Honors, 1993
  • Internship, Internal Medicine, Rush Presbyterian-St. Luke’s Medical Center, 1994
  • Residency, Dermatology, Brown University, 1994-1997
  • Chief Resident, Brown University, Department of Dermatology, 1997
  • Board Certified, American Board of Dermatology, 1997
  • Fellowship, Mohs Micrographic/Dermatologic Surgery, Emory University, 1998
  • Board Certified, Micrographic Dermatologic Surgery Subspecialty, 2021

Dr. Keith Wright joined Georgia Dermatology Partners as a Mohs Micrographic Surgeon in 1998. He quickly established himself as a caring and competent physician and a welcome addition to the practice.

Dr. Keith Wright distinguished himself at Meharry Medical College as an Honor’s Graduate and received the Forde Award for Outstanding Senior, the Shropshire Memorial Surgery Award and was elected to Alpha Omega Alpha Medical Honor Society, which is the highest award a medical student can achieve. He has published articles on Trichoblastoma, Actinic Cheilitis, Primary Cutaneous Malignant Melanoma and surgical complications. He is a member of the American Academy of Dermatology, American College of Mohs Micrographic Surgery, and Cutaneous Oncology and the American Society for Dermatologic Surgery.

He is a Diplomate of the American Board of Dermatology and has the distinction of being among the first to achieve certification in the Micrographic Dermatologic Surgery Subspecialty in October 2021.

Kirk D. Saddler, M.D.

GDP Bio Kirk
  • Bachelor of Science, Physiology, Michigan State University, 1988
  • Doctor of Medicine, Case Western Reserve University, 1993-1997
  • Internship, Internal Medicine, Brown University Rhode Island Hospital, 1997-1998
  • Residency, Dermatology, Brown Medical School, 1998-2001
  • Chief Resident, Brown University, Department of Dermatology, 2000 – 2001
  • Board certified, American Board of Dermatology, 2002

Dr. Kirk D. Saddler joined Georgia Dermatology Partners in 2003. He has a focused interest in general and surgical dermatology. Dr. Saddler leverages his extensive experience and advanced training to deliver the best results to his patients. He is a member of the American Academy of Dermatology, Atlanta Association for Dermatology and Dermatologic Surgery, Medical Association of Georgia, American Society for Dermatologic Surgery, and Dermatology Foundation.

Dr. Saddler is committed to providing the best level of service, results, and care to each patient. When he is not working, Dr. Saddler enjoys playing golf, tennis, and spending time with his family. He is married with three children.

Alia S. Brown, M.D.

GDP Bio Alia
  • Bachelor of Science, Spelman College, 2000
  • Doctor of Medicine, Meharry Medical College, Honors, 2005
  • Internship, Internal Medicine, University of Maryland, 2005- 2006
  • Residency, Dermatology, University of Louisville, 2006-2009
  • Chief Resident, University of Louisville, 2008-2009
  • Board Certified, American Board of Dermatology, 2009
  • Fellowship, Cosmetic and Laser Fellowship, Skin Laser and Surgery Specialist of New York and New Jersey, 2009-2010

Dr. Alia Brown, director of Georgia Dermatology Partners Aesthetics, joined GDP in 2010. While at Meharry Medical College as an Honor’s Graduate and inductee into the Alpha Omega Alpha Medical Honor Society. Upon completion of her residency in dermatology, Dr. Brown wanted more extensive training and experience in the areas of laser medicine and injectables. She then was awarded a fellowship position with world-renowned Laser and Cosmetic Dermatologist, Dr. David J. Goldberg at Skin Laser Surgery Specialists of NY/NJ. During her tenure, she authored multiple book chapters, was involved in numerous cosmetic studies and did multiple speaking engagements at national meetings.

After joining GDP, Dr. Brown wanted to share her expertise and novel treatment approach, with her patients. She developed a special interest area for cosmetics, antiaging, and skin of color. She started Georgia Dermatology Partners Aesthetics to deliver the most current, and customizable procedures to patients. The practice now has over 20 lasers and the aesthetics team has grown to include multiple aestheticians, laser technicians, and skincare consultants available in all practice locations.

Dr. Alia Brown conducts ongoing medical and cosmetic research studies with a specialty in skin of color. One of the few skin of color primary investigators. Learn more about Dr. Brown and her team's research here. Dr. Brown is a member for American Academy of Dermatology, American Society of Dermatologic Surgeons, American Society of Laser Surgery Medicine, Women’s Dermatologic Society, American Medical Association, Alpha Omega Alpha Honor Medical Society, and Delta Sigma Theta Sorority Inc. In her free time, Dr. Brown enjoys traveling, exercising, and volunteer work with several civic organizations. Dr. Brown is married and has four children.

Jessica J. Mercer, M.D.

GDP Bio Jessica
  • Bachelor of Science, Howard University, Summa Cum Laude, 2004
  • Doctor of Medicine, University of Southern California, 2008
  • Internship, Transitional in Internal Medicine/Surgery, New York Hospital Queens/Cornell University, 2008-2009
  • Residency, Dermatology, Brown University, 2009-2012
  • Chief Resident, Brown University, Department of Dermatology, 2011-2012
  • Board Certified, Dermatology, American Board of Dermatology, 2012
  • Fellowship, Dermatopathology, Albert Einstein College of Medicine, Dermpath Diagnostics of New York, 2013
  • Board Certified, Dermatopathology, American Board of Dermatology, American Board of Pathology, 2014

Dr. Jessica Mercer, Co-Managing Partner and Director of Dermatopathology, joined Georgia Dermatology Partners in 2014 as a dermatologist and dermatopathologist, a subspecialty in which she studies skin, hair, and nails on a microscopic level.  This additional expertise gives her an advantage in masterfully approaching challenging dermatological conditions.  In addition to her immense skill, she is regarded for her compassion towards patients and her attention to detail.  She values a dynamic patient-physician relationship and works side by side with her patients in order to understand their medical history and develop a treatment plan that is personalized and successful. She has trained at highly-acclaimed academic programs, and has a comprehensive practice that includes general dermatology, pediatric dermatology, cosmetic dermatology, and surgical dermatology.

Dr. Mercer has a special interest in hair loss conditions, and has effectively treated many patients through innovative medical therapies and procedures.  She stays abreast of cutting-edge therapeutics for alopecia such that her patients have access to the best treatment options available.  She is a thought leader in the field, and her expertise has been recognized through features in publications and national awards.

Dr. Mercer is a member of American Academy of Dermatology, American Society of Dermatopathology, Women’s Dermatologic Society, Skin of Color Society, American Medical Association, Dermatology Foundation, Medical Association of Georgia, Atlanta Association for Dermatology and Dermatologic Surgery, Georgia Society for Dermatology and Dermatologic Surgery, Phi Beta Kappa Honor Society, and Alpha Kappa Alpha Sorority, Inc. She also formerly served as Assistant Professor at the University of Miami Department of Dermatology and Cutaneous Surgery.  In her free time, Dr. Mercer enjoys international travel and recreation, mentorship, and community service, exploring new shops and restaurants, taking in local sports games, and spending time with family and friends.

Susan Oh, M.D.

GDP Bio Susan
  • Bachelor of Science, University of Texas at Dallas, 2011.
  • Doctor of Medicine, University of Texas Southwestern Medical School at Dallas, 2015. Rank #1. Recipient of the prestigious 4-year Alumni Student Scholarship.
  • Internship, Texas Health Presbyterian Internal Medicine Residency Program, 2015-2016.
  • Residency, Dermatology, University of Texas Medical School at Houston and MD Anderson Cancer Center, Department of Dermatology, 2016-2019
  • dermMentors™ Resident of Distinction, 2017
  • Board Certified, American Board of Dermatology, 2019

Dr. Susan Oh joined Gwinnett Dermatology, P.C. and Georgia Dermatology Partners in 2019. She has active clinical and research interests in skin cancer, acne, rosacea, eczema, psoriasis, autoimmune disorders, diet and dermatologic disease/aging, pediatric dermatoses, dermatologic surgery, and cosmetic innovations and skincare. Dr. Oh is passionate about providing excellent dermatologic care. She places a high priority on achieving the best possible patient outcomes utilizing a personalized and interactive approach in all clinical, social, and cultural milieu.

She has authored or co-authored medical and dermatology publications in several journals. She is a member of American Academy of Dermatology, Women’s Dermatologic Society, American Society for Dermatologic Surgery, International Peel Society, and the American Society for Laser Medicine and Surgery.

At the University of Texas at Dallas, she was a yearly winner of the Smart Scholarship and the Bryce Jordan Scholarship. She was a full-tuition scholarship recipient during her study of Chemical Engineering at The Cooper Union for the Advancement of Art and Science. During medical school, she was the AFMR Regional Scholar in 2012 and received the SSCI/SAFMR Student Research Award. She was ranked first in her class and elected among the top 5% of her class to the Junior Alpha Omega Alpha Medical Honor Society. She received the dermMentors™ Resident of Distinction in 2017.

Dr. Oh is married to a pastor/chaplain, has three beautiful daughters, and loves to be involved in the community. She also plays the violin and has performed in several symphonies. In addition to her musical gifts, Dr. Oh is a competitive swimmer. In her spare time, Dr. Oh enjoys spending time with her family and volunteering in church and outreach programs.

Dr. Sion Jasmine

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  • Bachelor of Business Administration, Loyola University, 2000
  • Doctor of Medicine, Louisiana State University in New Orleans, 2018
  • Internship, Internal Medicine, Tulane University, 2019
  • Residency, Dermatology, Washington University in Saint Louis, Missouri, 2022
  • Chief Resident, Washington University in Saint Louis, Missouri, Department of Dermatology, 2021-2022
  • Board Certified, Dermatology, American Board Of Dermatology, 2022
  • Fellowship, Dermatopathology, Mayo Clinic in Rochester, Minnesota, 2023
  • American Academy of Dermatology, American Society of Dermatopathology

Dr. Sion Jasmine joined Georgia Dermatology Partners as a dermatologist and dermatopathologist in 2023. Dr. Jasmine developed a keen interest in various clinical areas, including autoimmune connective tissue diseases, inflammatory skin disorders, cutaneous manifestations of systemic disease, acne, skin cancer, and general skin care.

What sets Dr. Jasmine apart is her genuine dedication to patients with darker skin types. Recognizing the unique challenges and needs of these individuals, she conducted vital research during her residency on the specific requirements of patients with connective tissue diseases and darker skin types. Dr. Jasmine also took the initiative to educate her fellow residents on natural hair care for patients with textured hair, showcasing her commitment to inclusive and patient-centric care.

Driven by her passion for deeper insights into skin pathology, she pursued further specialization in Dermatopathology, completing a Fellowship at the prestigious Mayo Clinic in Rochester, Minnesota.

Dr. Sion Jasmine firmly believes in a comprehensive approach to patient care, recognizing that every individual is unique and requires personalized attention. Her warm and compassionate demeanor instantly puts patients at ease, and she looks forward to serving patients of all ages and skin types with the utmost care and respect.

Beyond her professional accomplishments, Dr. Jasmine cherishes spending quality time with family and friends, reading, and exercising. With her caring nature and commitment to advancing dermatological care.

Elise Martin, M.D.

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  • Bachelor of Arts, Vanderbilt University, 2014
  • Doctor of Medicine, Medical College of Georgia, 2018
  • Internship, Internal Medicine, Greenville Memorial Hospital, 2018-2019
  • Residency, Dermatology, Wake Forest Baptist Health 2019-2022
  • Board Certified, American Board of Dermatology, 2022
  • Fellowship, Cosmetic Dermatologic Surgery at Dermatology, Laser, and Vein Specialists of the Carolinas, 2022-2023
  • Member of American Academy of Dermatology
  • American Society for Dermatologic Surgery
  • American Society of Laser Surgery Medicine
  • Women’s Dermatologic Society
  • Alpha Omega Alpha Medical Honor Society

Dr. Elise Martin is a board-certified dermatologist with expertise spanning medical, cosmetic, and surgical dermatology. Dr. Martin's educational journey began at Vanderbilt University for her undergraduate studies, followed by her pursuit of a Doctor of Medicine degree at the esteemed Medical College of Georgia. She furthered her medical training with an internship in internal medicine at Greenville Memorial Hospital.

Dr. Martin's commitment to dermatology led her to a rigorous residency program at Wake Forest Baptist Health, where she honed her skills in dermatological care. Her pursuit of excellence extended to a fellowship in Cosmetic Dermatologic Surgery at Dermatology, Laser, and Vein Specialists of the Carolinas, where she received specialized training in cosmetic procedures and Mohs surgery.

A native of Lawrenceville, Georgia, Dr. Martin is thrilled to provide personalized, compassionate, and comprehensive care to her community. She places the utmost importance on patient-centric care, particularly in the realm of cosmetics, where her passion lies in enhancing patients' natural beauty at every stage of life to help them look and feel their very best.

Dr. Martin’s expertise covers a wide spectrum of skincare concerns, ranging from effective acne treatments and innovative anti-aging solutions to precise skin cancer detection, removal, and Mohs Micrographic Surgery. She is also a distinguished co-investigator in multiple clinical trials involving cutting-edge cosmetic procedures and has contributed as a co-author to numerous book chapters, peer-reviewed journal publications, and a renowned textbook on cosmetic and laser medicine.

With Dr. Elise Martin, you can trust that you are in the capable hands of a dedicated dermatologist committed to helping you achieve your best skin health and aesthetics while delivering the highest standard of care.

Judah Greenberg, MD

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Dr. Judah Greenberg's journey to becoming a renowned dermatologist is a testament to his dedication, expertise, and unwavering commitment to patient care. Born in Miami Beach, FL, and raised in Dallas, TX, Dr. Greenberg's passion for medicine led him to pursue his education at the University of Pennsylvania, where he completed both his college and medical school studies.

Before specializing in dermatology, Dr. Greenberg embarked on a journey of diverse medical experiences. He completed a rigorous residency in internal medicine at Emory University, gaining invaluable insights into various aspects of patient care. Dr. Greenberg's interest in dermatology was sparked during his time as a clinical research fellow in the Dermatology Clinical and Outcomes Research (DCOR) Unit at Emory, where he conducted groundbreaking research on melanoma detection and skin cancer in organ transplant recipients.

Driven by his passion for advancing dermatological care, Dr. Greenberg pursued further specialization in Mohs surgery, a highly specialized technique for removing skin cancers. Under the mentorship of Dr. Gary Monheit in Birmingham, AL, Dr. Greenberg completed a prestigious fellowship in Mohs surgery and dermatologic oncology, honing his skills in complex facial reconstructions to restore patients' natural appearance post-surgery.

Board-certified in both Dermatology and Internal Medicine, Dr. Greenberg's expertise and dedication to excellence have earned him recognition as a leader in his field. He is a proud member of esteemed organizations such as the American Academy of Dermatology, the American College of Mohs Surgery, and the American Society for Dermatologic Surgery.

Since 2017, Dr. Greenberg has been providing unparalleled dermatologic care to patients in Middle Georgia. Specializing in Mohs surgery, he has successfully treated thousands of skin cancers, earning a reputation for his surgical prowess and compassionate patient advocacy. Dr. Greenberg prioritizes achieving superior aesthetic results while ensuring patients feel comfortable and supported throughout their treatment journey.

Beyond his professional endeavors, Dr. Greenberg finds joy in family life, residing in Macon with his beloved wife and six energetic children. His commitment to excellence, coupled with his compassionate approach to patient care, makes Dr. Judah Greenberg a trusted and respected figure in the dermatology community.

Joel S. Shavin, MD- Physician Emeritus

Founding Physician

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Dr. Joel Shavin founded Gwinnett Dermatology, PC as a single physician practice in the once small community of Snellville, Georgia in July 1978. In 1981, he formed Gwinnett Clinical Research Center, in conjunction with Dr. Jonathan Weiss. He was published in over 55 medical and dermatology journals and was a member of several organizations, including the American Academy of Dermatology, Atlanta Association for Dermatology and Dermatologic Surgery, Georgia Society of Dermatology and Dermatologic Surgery, Medical Association of Georgia, and Southern Medical Association. He retired after 43 years of practice in December of 2021.

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5 Convenient Locations

Monday to Friday – 7am-5pm
Saturday – 8am-12pm
Sunday – Closed


2383 Pate St
Snellville, GA 30078


117 Lee Byrd Rd
Loganville, GA 30052


1515 River Pl
Suite 300 and Suite 360
Braselton, GA 30517


3929 Peachtree Road
Suite 300
Brookhaven, GA 30319


1239 Friendship Road
Suite 100
Braselton, Georgia 30517

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