Our Team at Advanced Cosmetic Surgery & Laser Center

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

Dr. Joel Maier

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

Email: drmaier@351face.com

Karen Whitney, PA-C

Karen Whitney is a Board Certified Physician Assistant and our Lead Injector at Advanced Cosmetic Surgery & Laser Center, with over 22 years of experience in aesthetic medicine. She specializes in non-surgical facial rejuvenation, including injectables, laser treatments, and advanced skin enhancement procedures. Her background in primary care and women’s health provides a strong clinical foundation for her patient-centered approach.

As one of Allergan’s National Injector Trainers and a member of an elite group of providers selected through the Allergan Medical Institute, Karen plays a key role in educating and mentoring aesthetic professionals across the country. Known for her precision, artistry, and warm demeanor, she is dedicated to helping patients achieve natural, confident results through personalized care.

Email: karen.whitney@351face.com

Hope Merz, CNP, DNP

Hope Schweitzer Merz is a Certified Nurse Practitioner specializing in medical and cosmetic dermatology with over 10 years of experience. She is certified by the American Academy of Nurse Practitioners and brings a strong clinical background in skin health, beginning her career at the University of Cincinnati and later advancing her education to earn her Master of Science in Nursing and Doctorate in Nursing Practice.

Hope’s experience includes private dermatology practice and advanced aesthetic care, with a focus on injectables, laser treatments, and comprehensive skin rejuvenation. Known for her gentle approach, technical precision, and dedication to natural results, she is passionate about helping patients achieve healthy, radiant skin and is excited to be part of the Advanced Cosmetic Surgery & Laser Center team.

Email: hope@351face.com

Donna Abdelnour, MSN, ACNP-BC, FNP-C

Aesthetic expert and hormone health specialist with 25 years in medicine. Donna focuses on treating complex and underserved conditions including perimenopause, sexual health, PCOS, and hormone optimization.

A National Injector Trainer with extensive advanced training, she excels in delivering safe, natural results in facial aesthetics and laser therapy. Patients trust her deeply personalized care and compassionate expertise.

Contact Donna – donna@351face.com

Kati Vincent, NP

Kati is a Dual-Certified Nurse Practitioner with over 12 years of healthcare experience, specializing in regenerative medicine, lifestyle optimization, and integrative aesthetics. Her expertise includes advanced peptide therapies, precision-based hormone optimization, and curated, evidence-informed regenerative protocols designed to enhance cellular vitality and aesthetic outcomes.

With a refined whole-body approach, Kati integrates cutting-edge science with personalized care, addressing the underlying drivers of aging while enhancing natural beauty and longevity. Her philosophy is rooted in intention and mindfulness, delivering a sophisticated, deeply individualized experience grounded in the art of modern aesthetic & longevity medicine.

Email – Kati@351face.com

Jessica Lund, Advanced Medical Aesthetician

Jessica is an Advanced Medical Aesthetician with over 15 years of experience in the skincare and esthetics industry. Her journey into aesthetics began after experiencing her own skin transformation, inspiring her to pursue advanced training and build a results-driven career centered on personalized care. Today, she specializes in customized treatment plans and medical-grade skincare designed to enhance confidence and deliver healthy, radiant results.

At Advanced Cosmetic Surgery & Laser Center, Jessica is known for creating a five-star patient experience rooted in education, trust, and attention to detail. Her calm, welcoming presence helps patients feel comfortable and cared for while achieving meaningful, lasting improvements in their skin.

Michelle Marksberry, Practice Manager

Michelle has served as Practice Manager at Advanced Cosmetic Surgery & Laser Center for over 13 years, playing a key leadership role in the growth and success of the practice. She oversees daily operations with a focus on efficiency, team collaboration, and delivering an exceptional patient experience across all areas of the organization.

A strong and dedicated leader, Michelle has cultivated a culture centered on accountability, professionalism, and patient-centered care. Her ability to align teams, streamline processes, and support continued growth has been instrumental in elevating the standard of care within our AAAHC-accredited practice.

Email: Michelle@351face.com

Mark Lucas, Director of Hair Division * Patient Educator

Mark brings over 20 years of experience in the aesthetic and image enhancement industry, playing an integral role in patient education and consultation at Advanced Cosmetic Surgery & Laser Center. He works closely with patients to help them understand their surgical and non-surgical options, ensuring they feel informed and confident in their decisions.

Known for his approachable style and ability to connect, Mark provides clear, honest guidance throughout each patient’s aesthetic journey. He also serves as Director of our Hair Restoration Division, supporting patients with personalized care and attention. His accessibility and dedication make him a valued resource to both patients and the practice.

Email:  mark@351face.com

Karen Lynch, Marketing Director

Karen has been an integral part of Advanced Cosmetic Surgery & Laser Center since 2009, bringing over 30 years of marketing experience to the practice. She leads marketing, public relations, and social media efforts, helping to share the practice’s reputation for excellence throughout the Greater Cincinnati community.

With a strong focus on patient experience, Karen is dedicated to ensuring every individual feels welcomed and comfortable from the moment they walk through the door. Her commitment to service and passion for the practice play a key role in creating a positive and trusted experience for every patient.

Email: karen@351face.com

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

Shayla Hines, Patient Care Coordinator

Shayla joined Advanced Cosmetic Surgery & Laser Center in 2025 and quickly became a valued member of the team. With a professional background spanning healthcare, social work, and leadership roles, she brings strong organizational skills and a compassionate approach to patient care. As the first point of contact, she is dedicated to creating a welcoming, seamless experience from the moment patients connect with our office.

Serving both Advanced Cosmetic Surgery & Laser Center and our Advanced Vitality Division, Shayla is passionate about enhancing office efficiencies and ensuring each visit feels personal, organized, and well-coordinated. Her warm demeanor and commitment to service help patients feel comfortable, supported, and truly cared for throughout their experience.

Email: Shayla@351face.com

Lesleigh Stansel, RN & Accreditation Coordinator

Lesleigh has worked alongside Dr. Mendelsohn for more than 25 years and has been a cornerstone of our plastic surgery practice throughout her career. She plays a critical leadership role in ensuring that our surgery center consistently meets and exceeds AAAHC accreditation standards.

Highly detail-oriented and deeply committed to patient safety, Lesleigh oversees quality improvement, infection control, and credentialing initiatives across the practice. Her dedication and leadership have been instrumental in maintaining our accredited ambulatory surgery center since 2002, upholding the highest standards of care.

Email: lesleigh@351face.com

Stephanie Dunn, RN

Stephanie is an experienced Registered Nurse who leads our surgery scheduling team, guiding patients from their initial consultation through their surgical experience. With 12 years of background in Labor & Delivery, she brings a high level of organization, compassion, and attention to detail to every step of the process, ensuring patients feel informed, comfortable, and well cared for.

Stephanie is dedicated to creating a seamless and positive experience for every patient. Her commitment to exceptional care and her supportive, reassuring approach make her an essential part of the Advanced Cosmetic Surgery & Laser Center team.

Email – Stephanie@351face.com

Nichole Moening, RN BSN * Surgical Care Services

Nichole is a compassionate Registered Nurse who joined our Advanced Operating Room team in 2022. With over 10 years of experience in Labor & Delivery, she brings a gentle, supportive approach and a strong focus on patient safety, comfort, and care. Her calm presence and clinical expertise help patients feel at ease throughout their surgical experience.

Nichole is dedicated to helping patients feel confident and supported every step of the way. Her commitment to delivering exceptional care makes her a valued member of our surgical team.

Email: nichole@351face.com

Abby Brophy, RN

Abby is a compassionate and experienced Registered Nurse who joined our Advanced Operating Room team in 2022. A graduate of the University of Kentucky with a Bachelor of Science in Nursing, she brings over 12 years of experience, including a background in Labor & Delivery before transitioning into cosmetic surgery. Abby is dedicated to patient safety, comfort, and helping individuals feel their very best.

Known for her commitment to promoting health, happiness, and self-confidence, Abby brings both skill and warmth to our surgical team. Her nurturing approach and focus on patient well-being make her a valued part of the Advanced Cosmetic Surgery & Laser Center experience.

Email: abby@351face.com

Allison Thomas, Certified Medical Assistant * Clinical Services

Allison is a Certified Medical Assistant who supports our Nurse Practitioners, Physician Assistants, and Surgeons during in-office procedures to ensure safe, efficient, and high-quality patient care. With extensive clinical training and a strong attention to detail, she plays an important role in delivering a smooth and positive patient experience.

Known for her warm and welcoming demeanor, Allison helps patients feel comfortable and at ease throughout their visit. Her compassionate approach and commitment to excellent care make her a valued member of the Advanced Cosmetic Surgery & Laser Center team.

Email:  Allison@351face.com

Blake Kemper, MA/Social Media Specialist

Blake is an integral member of the Advanced Cosmetic Surgery & Laser Center team, specializing in social media campaigns and patient communication.

As Karen Whitney’s assistant, she helps patients clearly express their goals and guides them through non-surgical cosmetic procedures with care and attention. Known for her positive energy and approachable nature, Blake creates a welcoming experience that patients truly enjoy.

A 2018 graduate of Northern Kentucky University’s School of the Arts with a focus in Communications and a minor in Marketing, Blake brings creativity, professionalism, and a passion for relationship-building to her role.