Our people

Meet the team

Get to know the providers and professionals behind your care.

Insiyah Darugar

Insiyah Darugar

MSN, FNP · Founder & CEO

Founder & CEO of Glow Theory, Insiyah Darugar, MSN, FNP brings over 15 years of hands-on experience in dermatology and aesthetics, and completed the…

Dr. Jonathan Sykes

MD · Medical Director

Medical Director Dr. Jonathan Sykes, MD directed Facial Plastic Surgery at UC Davis Medical Center for more than 30 years, has performed over 20,000…

Sarah Piring

Master Medical Esthetician

With 20 years across dermatology, plastic surgery, and clinical aesthetics, Sarah Piring trained alongside world-renowned dermatologist Dr. Zein Obagi and specializes in advanced facials…

Emily Sitcov

MA · Medical Aesthetician

Emily Sitcov, MA is a medical aesthetician trained at Graham Webb Academy, certified in HydraFacial, Diamond Glow, and EmSculpt Neo, focused on skin health…

Lisa Kalfayan

RN · Aesthetic Nurse

Lisa Kalfayan, RN earned her BSN from Regis University and specializes in energy-based devices, helping clients feel empowered and confident as they reach their…

Natalie Jewett

Body Sculpting Technician

Natalie Jewett is a licensed esthetician specializing in body sculpting, having trained through CoolSculpting University with a philosophy that everyone deserves to feel confident…

Katie Ferrell

Client Service Representative

Katie Ferrell holds a degree in Psychological Sciences from CSU San Marcos and brings a background in behavioral health and a longtime interest in…

Tina Barker

Sales & Marketing

A San Diego native, Tina Barker brings an extensive sales and marketing background, including corporate event planning and social media content creation, to Glow…

Katie

Marketing