Our Office Staff


Mary Cerino
Mary Cerino, R.N. graduated from Sacred Heart Hospital School, of Nursing in Allentown, Pa. Her experience includes working in a hospital setting, caring for medical-surgical patients for 10 years, caring for patients in a family practice office setting, walk-in center setting, and primary care setting for 20 years. She worked with Dr. Vasily at Muhlenberg Hospital in the 1980’s caring for dermatology patients who required hospitalization for chronic skin disorders. She has been with us since 2004. Mary is married and has 2 children. She and her husband enjoy traveling, meeting new people and seeing new sites. She also enjoys reading, music, and cooking.

Sheila Hayes
Sheila Hayes is our Business Manager as well as our Botox® Cosmetic coordinator. Sheila has been with Aesthetica since September of 2000 when she started as a part-time front desk receptionist. She is knowledgeable in all aspects of the day-to-day business of the office and implements policies and procedures regarding the same. Sheila’s hobbies include scrapbooking, yoga and Zumba. She enjoys family vacations to Disney, spending time with her children and granddaughter.

Audrey Kovacs
Audrey Kovacs is our Operations Manager, Human Resource Representative, as well as Dr. Vasily’s Assistant. She joined the Aesthetica staff in 2015, and brings over 10 years of experience in the healthcare field, focusing on overall patient health and well being. Audrey has two daughters and enjoys spending time with family and friends.

Tina Leidy
Tina Leidy is the front desk coordinator at Aesthetica and comes to us with over 20 years of experience as a medical receptionist for a private family practice. She will be glad to help you schedule appointments or assist in any questions you may have concerning our procedures. Tina is happily married, and has two wonderful children and a Sheltie named Buddy. She enjoys spending time with friends and family, along with reading mystery and suspense novels.

Mary McMurtrie
Mary McMurtrie has been working at Aesthetica and has trained with Dr. Vasily since 1998 as a skin care consultant and laser technician. She performs some of the most relaxing, therapeutic facials here at Aesthetica. She is also a Certified Aesthetic Consultant (CAC). Mary enjoys painting with acrylics and hiking with her Pointers.

Enza Berback
Enza Berback is a skin care consultant and laser technician who has worked and trained with Dr. Vasily since 1997. She has participated in numerous clinical research trials with Dr. Vasily, setting protocols for our laser procedures. Enza is married with 2 children, family oriented and likes to bake. Her ideal vacation will take her to a sunny beach.

Josephine DeAngelis
Josephine (Jo) DeAngelis is a skin care consultant and laser technician who has worked and trained with Dr. Vasily since 1997. She has participated in numerous clinical research trials with Dr. Vasily, setting protocols for our laser procedures. Jo takes pleasure in spending as much time as possible with her grandchildren and cooking homemade Italian food.

Krystal Zetina
Krystal Zetina is an enthusiastic member of Aesthetica’s front desk team. After working as a medical receptionist, Krystal recently moved to the area, and has already fallen in love with Bethlehem. Krystal, who was born and raised in Belize, loves to go dancing and experience different cultures and cuisines.