Aestheticians
The California Skin Institute (CSI) team consists of experienced physicians, nurses, cosmetic consultants, aestheticians, and support staff who are committed to providing the highest quality of dermatology care. Many of the staff have worked at CSI for many years and have a broad experience in managing the most challenging skin patients. We are committed to staying on the cutting edge and work diligently to ensure that our patients are treated in the manner that we would expect for our own family members. Learn about our Aesthetic/Skin Care services.
Joan Gonzalez, Licensed Clinical Aesthetician – Los Altos
Joan Gonzalez is a licensed Aesthetician and Certified Medical Assistant with over 16 years of skin care experience and over 400 clients.
Joan works Monday through Friday and is available for appointments at (650) 917-7711.
Carol Rosenthal, Licensed Clinical Aesthetician – Monterey at Ryan Ranch
Carol has been a healthcare professional and a skincare expert for nearly two decades. Her goals are to provide her patients with all the necessary tools and education to enable a graceful aging process, and minimize the effects of time on our appearance and skin.
Carol’s hours are Tuesday, Wednesday and Friday from 9:00 AM to 5:00 PM and Saturday’s and evenings upon request.
Shirley Rossi, Licensed Clinical Aesthetician – San Jose/Los Gatos
Shirley comes to the California Skin Institute with 10 years of experience. Her goal is to work with her patients to achieve healthy, younger looking skin through specialized services and home care regimens.
Shirley’s hours are Tuesday through Friday, 9:00 AM to 5:00 PM, and Saturdays from 9:00 AM to 12:00 PM.
Jean Williamson, Licensed Clinical Aesthetician – Monterey at Ryan Ranch
Jean has almost 20 years of skin care experience. She is committed to helping her clients reach their goals of better quality skin with enthusiasm and expertise. Jean understands value and quality and is determined to help her clients find affordable, high quality solutions.
Jean’s hours are Monday – Thursday, 9:00 AM to 5:00 PM.





