Tracey (Gregory) Yune, nurse practitioner has been in the nursing profession since graduating from Georgia Baptist School of Nursing in 1991 and then completed her Bachelor of Science in Nursing in 1993 at the Medical College of Georgia. She received her Master’s of Science in Nursing and Nurse Practitioner degree from Georgia College and State University in 2002. She is board certified by the American Nurses Credentialing Center (ANCC). Since graduating Tracey has focused her career in plastic and reconstructive surgery with emphasis on artistically enhancing and rejuvenating the face with botulinum toxin type A, Botox® and cosmetic fillers.



Missy Carranza is a board certified registered nurse with over 13 years of experience working with Dr. Marc Yune and Aesthetic Specialty Centre. She has received two bachelors’ degrees from Georgia State University. Missy has a bachelor of science in biology and a minor in chemistry and a bachelor of science in nursing. She is an active member of the Nursing Students at Georgia State and the American Nurses Association.
She is certified in injectables including Botox® and cosmetic fillers. She also offers CoolSculpting Elite®, CoolTone®, SecretPRO®, and Ultherapy®. We are beyond proud to call Missy an employee for over 13 years!



Casey Cooper is a board certified registered nurse. She received her first bachelor’s degree in Psychology from the University of Georgia. After shadowing medical providers at Aesthetic Specialty Centre in 2017, she was inspired to return to school for a bachelor’s of science in nursing, in which she earned from Mercer University. Casey proudly joined ASC to pursue her calling in aesthetic medicine and surgery.

Her current areas of expertise are: Botox®, Fillers, BBL, Laser Hair Removal, ThermiSmooth, ThermiVa®, Microneedling, SecretPRO®, Ultherapy®, CoolSculpting Elite®, CoolTone®, Cliovana®, IV Therapy, Cutera® Excel V, Laser Genesis, DiamondGlow® and Auralux®.



Kim Donahue PA-C earned her Bachelors of Health Sciences and her Masters of Physician Assistant from Duquesne University in Pittsburgh, PA in 1997. She graduated with honors and was the inaugural recipient of the Duquesne University Student Achievement Award for academic and clinical excellence. She is nationally certified through the NCCPA. Kim has a broad spectrum of professional experience in family medicine, urgent care, women’s health, clinical research trials, and pharmaceutical sales and marketing. She joined our practice in October 2013, where she began her aesthetics and cosmetic plastic surgery training with Dr. Marc Yune. She is certified in Injectables including Botox® and cosmetic fillers, as well as AviClear®, Ultherapy® for facial and body rejuvenation, ThermiVa®, and Cutera Excel V - Laser Vein Treatments.



Taylor Bedard, PA-C is a board certified physician assistant and has her masters of science in medicine from Trevecca Nazarene University. Taylor completed her bachelor's degree in Exercise Science and Business Administration at the University of South Carolina and graduated summa cum laude. After graduating, she spent time working in orthopedic surgery at Prisma Health in Columbia, South Carolina. She is a member of the American Academy of Physician Assistants and the Society of Dermatology Physician Assistants. She joined ASC to pursue her passion of aesthetic medicine and medical dermatology.

Taylor's current areas of expertise are: Botox® and cosmetic fillers, Ultherapy, SecretRF, BBL, Microneedling, PRP, Cutera® Laser Genesis, Laser Hair Removal, ThermiSmooth, CoolSculpting Elite® and DiamondGlow®.



Kat Leyrer has completed her nurse practitioner education from Emory University where she graduated summa cum laude and earned a Master of Science in Nursing. She has over 4 years’ experience in general and cosmetic Dermatology. She is a member of the American Academy of Nurse Practitioners and The Dermatology Nurses’ Association, Sigma Theta Tau International Honor Society, and National Academy of Dermatology Nurse Practitioners.
Before completing her nursing degrees, she attended North Carolina State University where she received a Bachelor of Science in Human Biology and Bachelor of Arts in Spanish Foreign Language & Literature. She believes that patient education is one of the most important aspects of managing skin conditions. Kat looks forward to serving her community and being a part of the ASC family!



Morgan Ethridge is a board certified registered nurse. She received a bachelor’s degree in nutritional sciences from the University of Georgia and returned to school for a bachelor’s of science in nursing from Mercer University. She began her nursing career in the cardiovascular intensive care unit at Emory University Hospital. She is a member of the American Association of Critical Care Nurses.

Morgan was born and raised in Leesburg, GA. In her free time she enjoys reading, trying new restaurants, and watching UGA football.

Morgan joined ASC to pursue her passion in aesthetic medicine and plastic surgery. She is so excited to begin training with Dr. Marc Yune and the other amazing providers at ASC. Her current areas of expertise are Microneedling with PRP, DiamondGlow®, HydraFacial®, Cutera Laser, Coolsculpting Elite, CoolTone, SecretPRO, ThermiSmooth, and Laser Hair Removal.



Victoria “Vicki” Umstead FNP-C, CDCES earned her Bachelor of Science from Florida State University and Master of Science in Family Nurse Practitioner, from The University of Florida. She graduated with high honors and with Sigma Theta Tau from both universities. She is a Florida native that relocated to Georgia five years ago.

Vicki has over 20 years of experience in family practice and internal medicine in a variety of practice settings. Her primary focus has been on diabetes, weight loss, bioidentical hormone replacement therapy, and improving health for medically complex patients. She is a Certified Diabetes Care and Education specialist, a member of the American Diabetes Association, American Nurses Association, and has been Board Certified with ANCC since 2001.

She recently joined the ASC team to utilize her knowledge and expertise to provide comprehensive WELLNESS CARE with a focus on women’s health and weight loss. Vicki is passionate about helping patients achieve their health care goals. She will provide patients with tools to help them optimize their health.

Vicki will be providing care with comprehensive assessment, weight management with medications, supplements, and dietary counseling. Hormonal assessment and treatment for all stages of a women’s life to provide balance and wellbeing for optimal health.

In Vicki’s free time, she is a Peloton addict and part of the "Yes to You Crew” team. Loves hiking, chasing waterfalls is her favorite and she is an avid reader. She also volunteers with special needs children at church. She has two boys, Trace and Kye, husband Chris and a precious labradoodle Timmy.



Kinsee Cheeley is a board certified registered nurse with over 8 years of experience working with Dr. Marc Yune and Aesthetic Specialty Centre in the Lake Oconee office. She has received her associates degree in nursing from Abraham Baldwin Agricultural College in Tifton,GA, and is a member of AORN – (Association of periOperative Registered Nurses). Kinsee's areas of expertise include Botox® and cosmetic fillers, Coolsculpting Elite®, CoolTone®, SecretRF®, Ultherapy®, DiamondGlow®, Hydrafacial®, Laser hair removal, PRP and microneedling.



Hannah Carver is a board certified registered nurse. She graduated cum laude with a Bachelor of Science degree in nursing from the University of West Georgia. She grew up in Madison, GA and now works for Aesthetic Specialty Centre in our Lake Oconee office.
Hannah has two fur babies, a Golden Retriever and a Chocolate Lab. She loves all things sports and travels every chance she gets.
Hannah specializes in Botox®, Cosmetic fillers, SecretRF®, CoolSculpting®, CoolTone®, Ultherapy®, Microneedling with PRP, Laser Hair Removal, and DiamondGlow®. We are thrilled to have her at ASC!