Meet Our Staff

Laura Middleton, CRNP

Nurse Practitioner, Cosmetic Nurse Specialist

Laura joined Radiance Medspa in December 2007. She received her BSN degree from Georgetown University in 1996 and her Master's in Nursing from George Mason University in 2005. She has been practicing in the field of aesthetic medicine since 2001. She is ANCC credentialed and has undergone advanced training and is certified to perform Botox and dermal filler injections, laser, IPL, and lipodissolve.

Laura believes in treating the client in a holistic manner encompassing the mind-body relationship and how looking better can truly improve how one feels.

Michelle Calvo, LE

Licensed Master Aesthetician

Michelle joined Radiance in October 2007. Prior to becoming an aesthetician, Michelle spent several years teaching middle school English for Fairfax County Public Schools. Skincare and makeup was always one of her hobbies, so she attended Yvonne Di Vilar Scientific Skin Care in Vienna, Virginia. After her training in skincare, she decided to make the switch to full time esthetics. She advanced her skills by working in medical spas with physicians, mastering chemical peels and advanced protocols.

Michelle is licensed as a master aesthetician in the state of Virginia. She is certified in medical facials, chemical peels ranging from superficial to medium depth, microdermabrasion, and the Palomar IPL for hair removal and sun damage and rosacea.

She believes in combining a variety of sources for optimizing the skin's health and appearance. She resides in Fairfax with her husband Miguel, and her son Mateo.

Billy McKinney, LE

Licensed Master Aesthetician

Prior to attending Yvonne de Vilar Scientific Skincare School Master Esthetics Program, Billy dedicated time and focused her skills on In-Home nursing and Hospice care for 10 years. Upon graduation from Yvonne de Vilar she started her career in day spas mastering custom facials and waxing. After extended training in chemical peels and advanced protocols, Billy joined the Radiance team as a Master Aesthetician in February 2009. Billy brought her passion for people into her new career and is dedicated on helping each client increase their confidence and self esteem by achieving their skincare goals.

Nickie Bigley

Licensed Massage Therapist, Surgical Assistant, Spa Coordinator

As a stressed-out college sophomore, Nickie treated herself to her first massage. During that massage, she found her calling and ended up changing majors from Music Education to Massage Therapy. She is a 2002 graduate of Virginia Learning Institute (now National Massage Therapy Institute) in Falls Church, Va. She is nationally certified and licensed in Virginia and Fairfax County. In addition to offering Swedish and deep tissue massages, Nickie is certified in hot stone and prenatal massages. She is also a certified infant massage instructor and a certified doula, or labor assistant.

Before joining the Radiance staff, Nickie worked in several day spas and chiropractic offices. Radiance has given Nickie the opportunity to combine the experience gained in spa and medical settings.

Nickie realizes that every massage client is different, and encourages communication before, during, and after each massage to ensure that each clients needs are being met.

Mary Kallemeyn, LE

Client Liaison, Makeup Artist

Mary joined our team at Radiance Medspa in October, 2011. After receiving her Aesthetics license in California she and her husband moved to Virginia where she went on to further her education in Master Aesthetics with a specialized study in Advanced Makeup Techniques. Prior to her receiving her education in Aesthetics, Mary worked in Customer Service. “I knew that I enjoyed putting a smile on people’s faces and making them feel special, and I also loved helping match the beauty on the inside to the beauty on the outside. So working here at Radiance Medspa as Client Liaison and Makeup Artist is the perfect match for me.”

Mary is a military wife and has had the opportunity to move around the country with her husband. In her free time she enjoys volunteering for the USO and spending time with her husband Steve and bulldog Stella.

Heather Long

Marketing Director

Heather's background includes spa management at many levels in spas surrounding the DC metro area. Her enthusiasm for business development led her to Radiance where she leads the marketing, advertising, and educational campaign development and pull through, including that of neighborhood grass roots initiatives.

Sheri Dranzo Siegel, PharmD

Spa Director

Sheri D. Siegel is the Owner and Operator of Radiance Medspa Fairfax, Virginia. Her unique blend of scientific training, management, and marketing experience lends her the expertise in healthcare and business management. As Spa Director, Sheri is responsible for managing operations, implementing business strategy and development, and growing service and retail offerings at Radiance Medspa. Her experience in healthcare and interest in skincare, fitness, and wellness make this a natural transition. The image you project, Sheri believes, contributes to overall self satisfaction and confidence.

Sheri has nearly 10 years experience in the pharmaceutical industry. Prior to opening Radiance Medspa, Sheri served as Manager of Medical Science Liaisons for a global biopharmaceutical company, UCB Inc, for 4 years. She mentored PharmDs, MDs, and PhDs to enhance scientific and communication skills and team spirit through one-on-one coaching and motivation. She managed overall team productivity, and led team expansions. Prior to her promotion to manager, Sheri was a Medical Science Liaison with UCB and a Medical Scientific Associate for Novartis Pharmaceuticals. In these roles, her scientific knowledge was exercised in daily interactions with academic physicians.

Beyond her experience in Medical Affairs, Sheri was an Industrial Clinical Pharmacy Fellow, Marketing Operations for Novartis where she acted as a key member of a product team for a pre-launch respiratory drug. With her background as a scientist, she developed initiatives that utilize the marketing message in support of the product's positioning. She held an appointment of Adjunct Clinical Professor at Rutgers University College of Pharmacy. Sheri holds a B.S. and Doctor of Pharmacy from the University of Pittsburgh and practiced as a staff pharmacist at the University of Pittsburgh Medical Center and Forbes Regional Hospital in Pittsburgh.

Sheri is married to Scott Siegel. They reside in Oak Hill, VA with their daughters, Olivia and Claudia, and son, Martin.

Driving distance to Radiance Medspa Fairfax