Our Team at Advanced Cosmetic Surgery & Laser Center

Our Team at Advanced Cosmetic Surgery & Laser Center is dedicated to providing our patients with professional, personalized care.  Our team works together to ensure optimal outcomes with all our cosmetic procedures!


Dr. Jon E. Mendelsohn

Double board certified facial plastic surgeon specializing in facial plastic surgery and non-surgical facial procedures.

Email:  drmendelsohn@351face.com   See Reviews

More About Dr. Jon Mendelsohn
Dr. Maier - White Coat

Dr. Joel Maier

Double board certified plastic surgeon specializing in Advanced Body Contouring Techniques.

Email: drmaier@351face.com

More About Dr. Joel Maier
Karen Whitney

Karen  Whitney, PA-C

Certified Physician Assistant specializing in non-surgical facial procedures as well as laser treatments. A Physician Assistant (or PA) is a nationally certified and state-licensed medical professional.

National Injector Trainer for Allergan, the makers of Botox and Juvederm Fillers.

Email: karen.whitney@351face.com

More About Karen Whitney, PA
Hope Merz

Hope Merz, CNP, DNP

Dr. Hope is certified by the American Academy of Nurse Practitioners. She received her Bachelor of Science in Nursing from the University of Cincinnati in 2007 and discovered a passion for skin health with her experience caring for acute and rehabilitative burn patients at Shriners Hospital as a Registered Nurse. She has since practiced in a private dermatology office, treating patients for medical dermatological needs and providing the latest cutting-edge treatments in aesthetic care. Her gentle nature, exceptional technique, and eye for excellence has organically grown into a greater focus in the field of aesthetic medicine.

Email: hope@351face.com

More About Hope Merz, CNP

Kati Vincent, NP

Kati is a Certified Nurse Practitioner with 8 years of combined experience in neonatal intensive care, women’s health, and medical aesthetics. Her role as a Nurse Practitioner in the Neonatal ICU has gifted her with the skills of extreme attention to detail, procedural excellence and the ability to maintain a calm & professional presence in stressful situations. In addition, Kati has 3 years experience in advanced aesthetics modalities, including injectable facial fillers, neuromodulator injections, biostimulators, medical microneedling, medical microdermabrasion, PRF/PRP, chemical peels and medical grade skin care.

Kati attained dual degrees in Microbiology and Gender Studies at The Ohio State University as an undergraduate student. After the birth of her daughter in 2011, she was inspired to pursue a career in nursing to support women & infants. She obtained her Bachelors of Nursing and Masters of Nursing from the University of Cincinnati’s Accelerated Nursing Program. Following graduation, she obtained her Neonatal Nurse Practitioner Certification from National Certification Corporation. She is a Mentor Instructor for the Neonatal Resuscitation Program, a lead instructor for the S.T.A.B.L.E. Program, and Provider Instructor for Helping Babies Breathe & Helping Babies Survive through the American Academy of Pediatrics. She is currently enrolled in the University of Cincinnati’s Family Nurse Practitioner Post-Masters Program in order to expand on her expertise and scope of practice.

Kati started her transition to the world of aesthetics & integrative health three years ago to provide a change of pace from the Intensive Care world and to expand on her knowledge in the holistic aesthetics health space. Since the start of this venture, she has had the opportunity to grow her integrative medicine & aesthetics knowledge exponentially, and she continues to further her knowledge by attending national conferences and trainings in the field. She loves the ability to utilize her attention to detail, her medical procedural expertise, anatomical knowledge and her skilled artistry as a provider in the ever-evolving field of medical aesthetics. She is passionate about safety, patient education, trauma informed care, energetic awareness & mindfulness in practice. Providing individualized, compassionate care in collaboration with her patients to safely achieve their wellness goals & desired aesthetic outcomes is her utmost priority.

Born and raised in Cincinnati, Kati currently resides in Blue Ash, Ohio with her partner Logan, her daughter Joselyn and their four furry friends: Archer, Ghost, Kiki & Polly. In her free time, she enjoys travel, live music, weight lifting, hiking, camping, water sports, and various creative outlets. She has volunteered on two medical brigades to the Dominican Republic, providing education & medical care to local families. She currently volunteers for a local no-kill animal shelter, is a Girl Scout troop leader, and a member of the Ohio Medical Reserve Corps.


Michelle Marksberry

Michelle Marksberry, Practice Manager

Michelle meets our patients and clients with exceptional care, ensuring a friendly and efficient patient experience. Everyday, Michelle demonstrates her passion for nurturing relationships with patients, staff, and vendors in efforts to foster a dynamic environment and the best patient atmosphere, while supporting all divisions of our AAAHC accredited plastic surgery practice.

Email: Michelle@351face.com

Mark Lucas Sept 2017

Mark Lucas, Director of Hair Division * Patient Educator

During his 13+ years with Advanced Cosmetic Surgery & Laser Center Mark sees first hand the excitement and relief our patients feel when they discover the difference that Dr. Mendelsohn’s procedures are compared to what other physicians in his field are performing.  With over 18 years in the image enhancement business, Mark’s passion for the Medical/Aesthetics industry is a great match for Advanced Cosmetic Surgery & Laser Center’s practice.  Mark is always willing to take a phone call, email or text to answer any questions you may have!

Email:  mark@351face.com

Karen Lynch Sept 2017

Karen Lynch, Marketing Director

Karen has worked for Advanced Cosmetic Surgery & Laser Center since 2009.  She is extremely service oriented and takes great pride in making sure each patient feels comfortable the minute they walk in our door.  In addition, Karen manages the marketing, PR and Social Media for the practice.  She brings over 25 years of marketing experience and strives to relay the quality reputation of our practice to the Greater Cincinnati area.

Email: karen@351face.com

Jamie Pettigrew Sept 2017

Jamie Pettigrew, A.E. License Aesthetician * Technology Coordinator

Jamie has been with the Advanced Cosmetic Surgery & Laser Center since 2014. She is an Advanced Aesthetician who loves helping patients build a foundation for healthy and beautiful skin. Jamie will be there every step of the way throughout your aesthetic journey here at the Advanced Cosmetic Surgery & Laser Center.  In addition, you will see Jamie’s smiling face as you complete your visit with us.

Email: Jamie.pettigrew@351face.com

Hilliary DiMaria Sep 2017

Hillary DeMaria, Art & Production Coordinator * Surgical Scheduler

Hillary started at Advanced Cosmetic Surgery & Laser Center in April 2017.  With over 10 years cosmetic and customer service experience, she is excited to help bring the knowledge and artistry of our providers to all of our patients.  Hillary is always happy to answer any questions you may have regarding surgery scheduling, treatment scheduling or skin care options.

Email: Hillary.d@351face.com


Lesleigh Stansel

Lesleigh Stansel, RN & Accreditation Coordinator

Lesleigh has worked with Dr. Mendelsohn for more than 20 years and in the field of plastic surgery for over 25 years. Her current responsibilities include ensuring that the surgery center meets and exceeds the highest standards of care as established by the AAAHC accreditation guidelines. As a detail oriented person, Lesleigh enjoys taking a leadership role in all quality improvement, infection control and credentialing activities and takes pride in maintaining the accreditation status of the ambulatory surgery center since 2002.

Email: lesleigh@351face.com

Allison Thomas

Allison Thomas, Certified Medical Assistant * Clinical Services

Allison assists our NP, PA and Surgeons as a Medical Assistant during procedures to provide accurate and excellent service to each of our patients.  In addition, Allison is a Certified Medical Assistant who provides exceptional patient support with her extensive training and compassionate nature.  Her warm and friendly smile, along with her contagious laugh will put you at ease and make you feel right at home!

Email:  Allison@351face.com

Nichole Moening, RN BSN * Surgical Care Services

Nichole joined our OR Team in the Spring of 2022!  She worked as a labor & delivery nurse for over 10 years and brings with her gentle care and support to our patients.

Nichole wanted to join Advanced to help our patients feel better about their self esteem and lives!

Nichole has 2 kids ages 9 & 5 who keep her busy.  She and her husband enjoy time at their lake house on weekends with family and friends.

Email: nichole@351face.com

Stephanie Dunn, RN

Stephanie Dunn, RN, is a dedicated and experienced nurse with a passion for enhancing the well-being of others.
With 12 years of expertise in labor and delivery, Stephanie joined our team in July of 2022, bringing a wealth of knowledge and a commitment to providing exceptional patient care.

Stephanie enjoys spending time with her five daughters, showcasing her ability to balance the demands of both work and family life. She is an avid enthusiast of CrossFit and physical fitness, demonstrating her commitment to a healthy lifestyle.

Her goal is to ensure that each of our patients has a positive and memorable experience, leaving our practice feeling better than when they arrived.

With a blend of expertise, warmth, and a genuine passion for helping others, Stephanie Dunn is a valuable asset to our healthcare team.

Abby Brophy, RN

Abby is a seasoned and compassionate registered nurse who joined our Advanced Operating Room (OR) team in March 2022.
A proud alumna of the University of Kentucky, Abby holds a Bachelor of Science in Nursing, reflecting her commitment to excellence in healthcare.

With a career spanning 12 years, Abby initially began her journey in nursing as a Labor & Delivery nurse. Over time, her career evolved as she transitioned into the field of Cosmetic Surgery, where she found fulfillment in helping individuals become the best versions of themselves.

Beyond the operating room, Abby is a devoted mother to three wonderful children. Abby finds joy in watching her children participate in sports and cherishes moments of relaxation by the lake or on the beach.

Known for her dedication to promoting health, happiness, and self-improvement, Abby Brophy brings a wealth of experience and a warm spirit to our Surgical Team. Her commitment to patient well-being and her nurturing approach make her a valuable asset to our practice.

Email: abby@351face.com