Marquis Jefferson, PA-C

Kathy has been a licensed Cosmetologist / Aesthetician since 1985. She believes the Aesthetics industry offers an on going learning experience and keeping up with available knowledge is key to being the best aesthetician possible. Investing in your skin is an investment that lasts a lifetime. She takes pride in each treatment she performs and enjoys building the connection with patients that establishes trust and personal attention for their skin care needs. Kathy's experience covers chemical peels, microdermabrasion, microneedling, laser hair removal treatments and more!

Jennifer Rosborough is a certified Physician Assistant at Schweiger Dermatology Group. Jennifer graduated from Philadelphia University with a Master of Science degree. As a Physician Assistant, Jennifer has experience diagnosing and treating a variety of dermatologic disorders and performing surgical and cosmetic procedures. Along with dermatology, Jennifer’s education provided her with a strong clinical knowledge of general and emergency medicine, pediatrics, surgery, and psychiatry. Jennifer is certified by the National Society for the Certification of Physician Assistants and is a fellow of the New Jersey Society of Dermatologic Physician Assistants.

Dr. Karen Harkaway is a board-certified dermatologist at Schweiger Dermatology Group. She graduated with a Bachelor of Science degree with Honors from Duke University, where she was elected to the Phi Beta Kappa honor society. Dr. Harkaway completed her medical degree at the University of Pennsylvania and was elected to the medical honor society, Alpha Omega Alpha. Dr. Harkaway remained at the Hospital of the University of Pennsylvania for her internship and residency training in dermatology. Since then, she has been in private practice and serves as Chief of Dermatology at Lourdes Medical Center of Burlington. Dr. Harkaway has an extensive background in cosmetic dermatology and dermatologic surgery.