Theresa Kueny, PA-C
Theresa Kueny joined Bryn Mawr Dermatology in 2024, bringing with her over 13 years of experience as a Physician Assistant in the specialty of dermatology. The science of skin has been her passion for even longer than that. Between her graduation from Saint Joseph’s University with a BS in Biology and attending PA school, she worked in a dermatology office – first as part of the administrative team and then as a medical assistant. This opportunity allowed her to appreciate the full patient experience in addition to supplying a foundation for her future career. Once she earned her Masters of Physician Assistant Studies from Drexel University in 2011, there was no question which specialty she would choose to work in.
Theresa is an eternal student at heart. After graduating from her PA program with honors, and throughout her career, she has made continuing education a priority by attending seminars and conferences in the fields of medical, surgical and cosmetic dermatology. She also completed the SDPA Diplomat Fellowship Program, which is an all-encompassing didactic training program for PAs working in the field of dermatology. This is all to ensure that she has the most up-to-date skills, tools, and knowledge to perform her job with excellence.
John Peters, MD, FAAD
Dr. John Peters is a board-certified dermatologist and fellowship-trained Mohs surgeon. His primary focuses are skin cancer and reconstructive surgery, medical dermatology, and laser medicine.
A native of Clarks Summit, PA, Dr. Peters earned his Doctorate in Medicine (M.D.) from Jefferson Medical College where he was elected to the Alpha Omega Alpha (AOA) honor society. Upon graduation, Dr. Peters entered active duty in the United States Navy. He completed an internship in internal medicine at Walter Reed National Military Medical Center before reporting to Naval Air Station Pensacola where Dr. Peters then returned to postgraduate training and completed a residency in dermatology at Naval Medical Center San Diego where he served as Chief Resident. Following graduation, he was assigned to Naval Medical Center Portsmouth where he served as Chairman of the Department of Dermatology and Assistant Professor of Dermatology through the F. Edward Hébert School of Medicine at Uniformed Services University of Health Sciences. He separated from the Navy in 2023 after 13 years of military service with the rank of Lieutenant Commander.
He then completed a prestigious one-year fellowship in Mohs Micrographic Surgery and Cosmetic & Laser Dermatologic Surgery at SkinCare Physicians in Boston, MA where he was mentored by world-renowned faculty with appointments at Harvard, Yale, Dartmouth, and Brown Medical Schools. Dr. Peters has been a speaker at national and international meetings and the author of over 20 peer-reviewed journal articles and textbook chapters.
Amanda Ritschel, Licensed Aesthetician, CLT
Amanda started her career in the medical industry by working as a Radiology Billing Manager for over a decade. She learned to love the precision and practicality of medical science, but ultimately knew that she wanted to pursue her dream career in the aesthetic field. Being a life-long lover of skin-health and the beauty industry she took the leap in 2020 by putting herself through the Aesthetics program at the Beauty Institute in Ambler, PA. She graduated as a Licensed Aesthetician and makeup artist with extensive knowledge about the most up-to-date cosmetic offerings and an intense appreciation for providing extraordinary customer service.
Amanda is constantly creating opportunities for herself to add new devices and modalities to her repertoire, and has most recently become a Certified Laser Technician specializing in Laser Hair Reduction and Intense Pulsed Light (IPL) Therapy. This insatiable thirst for knowledge ensures that she stays at the forefront of her field.
Bethany Valentin, CphT
Bethany Valentin has worked as a pharmacy technician in a leadership role for nearly two decades. Throughout most of her practice in high volume retail pharmacies she has had the opportunity to work with large corporate acquisitions, training and development, and new store openings. This experience, along with her bubbly personality and genuine love of people, led to her being selected as the Lead Pharmacy Technician on the opening team of an all-inclusive healthcare facility at Walt Disney World Resort in Orlando, FL. Nationally certified by the PTCB, Bethany stays current in the ever-changing pharmacy industry by completing required continuing education classes and subscribing to various pharmacy-related publications.
Bethany chose to leave the world of corporate retail pharmacies in 2018 and became an integral part of opening one of the area’s first in-office dispensaries at Bryn Mawr Dermatology.
Mary Parkinson, Licensed Aesthetician, CLT
Mary Parkinson started out in the esthetic industry in 1981 after graduating from the Wilfred Academy School of Beauty with honors. She fulfilled her dream of becoming a business-owner shortly thereafter by opening Tres Belle Salon in Manayunk.
As a full-time working owner, Mary most enjoyed mastering her technical skills in waxing, nail care and facials. Despite her busy client load, she always made time to keep herself and her staff informed of the most up-to-date techniques and tools in the industry.
After more than two decades devoted to her salon, Mary decided to focus on her education by becoming a Certified Laser Technician, taking courses in micro-needling and mastering medical esthetic technique. She has also made time to attend multiple worldwide Aveda Esthetic conventions and to participate in fund raising for cancer research.
Mary joined Bryn Mawr Dermatology in early 2015 and hit the ground running. Bringing with her over three decades of experience, she has developed the esthetic menu and expanded the scope of cosmetic offerings at BMD.
Kathleen (Katie) Venesky, MPA, PA-C
Katie started her career as a physician assistant (PA) in 2009 after graduating with her Master’s in Physician Assistant studies from Marywood University. At Marywood she was a member of the Alpha Epsilon Lambda Graduate Professional Honor Society due to her exceptional academic record and stellar GPA.
Her career goal was always to specialize in dermatology, and in 2013 she attained that goal and has been immersed in fine-tuning her knowledge and skills by working in private practice as a dermatology PA ever since.
She maintains her memberships with the American Academy of Physician Assistants, Pennsylvania Society of Physician Assistants, Society of Dermatology Physician Assistants, Pennsylvania Society of Dermatology Physician Assistants, and completes essential continuing medical education every year to ensure that she intermingles cutting-edge science with her extensive hands-on experience.
Lilly Moss Parllaku, PA-C
Lilly is another home-grown Pennsylvanian and spent her childhood in West Chester. She travelled down south to the University of Georgia for college and finished her advanced degree back home at Drexel. She graduated the PA-C program in 2012 and spent 7 years in the Penn Emergency Department where she has performed thousands of procedures and had the opportunity to diagnose and treat many rare skin disorders. Lilly has always had a particular penchant for integrating an esthetic eye into the art of laceration repair and was congenially known as the “lac queen” during her stint at Penn. She also found the time to give back to her fellow PA-Cs by establishing the first internship program for PA students in the Penn ED.
She is an active member of the Pennsylvania Dermatology Physician Assistants, the Society of Dermatology Physician Assistants (SDPA), and is board certified by the Commission on Certification of Physician Assistants (NCCAP). She regularly attends educational conferences to stay up to date in the field. Her favorite event to-date was the week long 2018 Fall SDPA seminar in Orlando that covered the dermatology sub-specialties: psoriatic arthritis, pediatric & adolescent dermatology, gestational dermatology, and dermatologic surgical procedures.
*To learn more about the extensive medical training Physician Assistants complete, as well as their qualifications, please click here.
Shannon Del Grande, PA-C
Shannon Del Grande is a welcome addition to the Bryn Mawr Dermatology team. She is a passionate physician assistant (PA) who has half-a-decade of both medical and cosmetic dermatology experience under her belt.
Shannon completed her Master’s in PA studies at Arcadia University and immediately started her medical career at a top plastic surgery office where she performed countless injectable treatments in addition to skin cancer screenings and skin cancer surgeries. With her know-how, aesthetic eye and finesse, the transition into dermatology has been a smooth one.
She is an active member with the American Academy of Physician Assistants, Society of Dermatology Physician Assistants and Association of Plastic Surgery Physician Assistants.
*To learn more about the extensive medical training Physician Assistants complete, as well as their qualifications, please click here.
Lynn Williams, PA-C
Lynn Williams joined the Bryn Mawr Dermatology team in June of 2015 but has been practicing dermatology in the Philadelphia area since 2003. As a physician assistant (PA) Lynn enjoys getting to know and care for markedly diverse patients who require her expertise. She cannot imagine another career for which she would be better suited for.
Lynn graduated from Duke University with a Bachelors of Science in Biology and continued on to the Philadelphia College of Osteopathic Medicine to attain her Masters degree in Physician Assistant Studies. She had the opportunity to offer her skills as a medical volunteer in the emergency room of a rural hospital in St. Lucia between completing her two degrees. She spent the majority of her time there educating the local community on how to manage chronic illnesses in order to prevent emergencies. In turn, the experience allowed her to hone her problem solving skills.
To maintain a competitive edge in the demanding field of dermatology, Lynn regularly attends lectures and conferences. She is an active member of both the Society of Dermatology Physician Assistants (SDPA) and the American Academy of Physician Assistants (AAPA).
*To learn more about the extensive medical training Physician Assistants complete, as well as their qualifications, please click here.
Rae Calamia, PA-C
Rae Calamia chose to pursue a career as a physician assistant (PA) after several years of working for a medical device company. Her desire to find a challenging medically based career that directly impacted patients’ lives made becoming a PA the ideal professional option for her.
Rae began her career as a PA in 1999 in orthopedic surgery in Santa Rosa, CA. Drawn to the complex challenges of dermatology, and the opportunity to build long-lasting connections with her patients, Rae started her dermatology career in 2005.
In her role as a PA, she performs physical exams, establishes diagnoses, orders and evaluates labs and other studies, performs skin biopsies and surgeries, initiates and manages treatment plans, and prescribes medication.
Rae holds an undergraduate degree from Penn State University and earned a Masters of Science Degree in Physician Assistant Studies from DeSales University. She is a member of the Society of Dermatology Physician Assistants and is certified by NCCPA (National Commission on Certification of Physician’s Assistants). To stay at the top of her field, Rae frequently attends dermatology conferences and lectures.
*To learn more about the extensive medical training Physician Assistants complete, as well as their qualifications, please click here.