Learn more about the team at M.D. Laser Studio.

Alissandro "Andy" Castillo, MD, MBA

Medical Director

Dr. Andy Castillo is the owner and Medical Director of M.D. Laser Studio. He is a board-certified physician with extensive dermatological and surgical training. His education includes a BS from the University of Maryland, an MD degree from Wake Forest University, and an MBA from Duke University Fuqua School of Business. While serving in the United States Army as a flight surgeon he also successfully completed a plastic and reconstructive surgery research fellowship at prestigious Johns Hopkins. A Fellow of the American Society for Laser Medicine and Surgery, Dr. Castillo has participated in the Constitution & Bylaws Committee, Audit Committee, and Strategic Planning Committee. With his extensive expertise on such a wide variety of equipment, he is often called upon to train others in laser procedures. He has served as a Luminary for Laserscope/Iridex, has trained and spoken on behalf of Medicis,  and is a Diamond-Level Provider of Botox and the Juvederm family of products for Allergan.

Rebecca Appleton Castillo, MD, MS

Medical Director

Dr. Appleton, the wife of Dr. Castillo, is a board-certified physician, a Fellow of the American Society for Laser Medicine and Surgery, and a Member of the International Society For Hair Restoration Surgery. She earned a BS from Duke and MS from the University of Maryland. At the University of Maryland Medical School, Dr. Appleton earned her MD. She and Dr. Castillo have raised six children in the Lake Norman area and are actively involved in their community.

Dr. Appleton and Dr. Castillo operate M.D. Hair Restorations through M.D. Laser Studio and are both Members of the International Society For Hair Restoration Surgery. They also operate De Novo Aesthetics, a concierge aesthetics service currently available in Charlotte and around Lake Norman. For more information about De Novo Aesthetics, visit

Alarie Stone 72.jpg

Alarie Stone, RN

Laser Nurse Specialist 

Alarie has worked in the medical field for over 17 years, many of those with Dr. Castillo and Dr. Appleton. A native southerner, Alarie graduated from Mitchell Community College with a degree in Medical Assisting later earning her RN degree. We're excited that Alarie expanded her responsibilities at M.D. Laser Studio!

Caitlin Bostick, RN, BSNCaitlin Bostick web.jpg

Laser Nurse Specialist

Caitlin worked at M.D. Laser Studio while she was in high school and college. She earned her BSN from Clemson University in 2007. In 2015, Caitlin returned to M.D. Laser Studio to train with Dr. Castillo as a Laser Nurse Specialist. She is also a Member of the American Society for Laser Medicine and Surgery. In addition to nursing, Caitlin also participates in testing M.D. Laser Studio products and services.

Kate Lassiter web.jpgKate Lassiter

Treatment Coordinator

Kate grew up in Connecticut, went to school in California, spent a year in Switzerland, and moved to North Carolina in 1992. She raised 3 boys in the Lake Norman area and eventually became an instructor at Pure Barre, where she continues to teach part-time. Kate joined M.D. Laser Studio in February 2017 and participates in skin rejuvenation education and testing.

Sara Gray

Treatment Coordinator

Sara graduated from the University of Mississippi and taught third grade for 10 years. After staying home to raise her son for 8 years she is now back to work, and we were lucky enough to have her join us at M.D. Laser Studio! When she's not assisting patients and supporting the medical staff at MDLS, Sara enjoys shopping, working out, and spending time with family.

Sherry Aley, LPN

Treatment Coordinator and Licensed Practical Nurse

Born and raised in North Carolina, Sherry and her husband spent 9 years in Phoenix, Arizona before deciding to return to NC to raise their two sons. Sherry enjoys gardening and boating and is loving the lake life! She is actively testing and training skin rejuvenation and also performs the ThemiVa procedure at M.D. Laser Studio. Sherry now works PRN, and we're grateful to get her when we can! 

John Mairs.jpgJohn Mairs

IT Specialist & Web Administrator

John joined M.D. Laser Studio in 2006. He is host and administrator for our website and manages all computer hardware and software. At a very early age, John discovered his passion for technology and has pursued a career in that industry ever since. In addition to his responsibilities with M.D. Laser Studio, De Novo Aesthetics, and Passport Health, John is the Technology Director at American Renaissance School.