Meet Our Team

Heather Witt, PA-C
Founder, Physician Assistant, Aesthetic Injector

Heather Witt is the founder and CEO of The Retreat Wellness + Aesthetics. As a board-certified Physician Assistant and advanced aesthetic injector, she brings a wealth of expertise to her practice. Heather holds a master’s degree from the Western University of Health Sciences.

Heather firmly believes in the concept of beautiful and natural aesthetic treatments, which serves as the foundation of her practice. She is committed to customizing comprehensive treatment plans for each patient, aiming to enhance/elevate their natural beauty, rejuvenate their appearance, and support graceful aging. With 14 years of experience in the aesthetic industry, Heather has continuously sought opportunities for growth and improvement. She has attended numerous industry conferences and training sessions to refine her injection techniques.

Heather values the importance of patient education and ensures ample time is dedicated to discussing all aspects of their aesthetic journey. She understands that beauty is a marathon, not a sprint, and takes pride in guiding her patients through their individualized treatment plans. Outside of her professional endeavors, Heather enjoys fitness, traveling, brunching, and cherishing quality time with her adorable 3 year-old daughter, Olivia.

Britney Mejia, MSN, RN
Aesthetic Injector

Britney is a dedicated Registered Nurse and Aesthetic Injector with a passion for helping clients look and feel their best. She earned her Master of Science in Nursing from Western University of Health Sciences, a shared alma mater with our founder, Heather, and brings a well-rounded clinical perspective to her work in aesthetics.

When she’s not enhancing natural beauty in the treatment room, Britney stays sharp working in the fast-paced environment of the emergency department. Her calm, confident demeanor and clinical expertise ensure every patient experience is safe, personalized, and comfortable.

Outside of work, Britney loves traveling, exploring new restaurants, and finding the perfect brunch spot. At home, she enjoys cooking up cozy dinners paired with a good glass of wine.

Madeleine Hendricks, PA-C
Functional Medicine Physician Assistant

Madeleine is a board-certified Physician Assistant. She started college at Brigham Young University at the age of 16, and went on to receive her master’s degree in Physician Assistant studies from South College in Atlanta, Georgia. Specializing in functional medicine, she is eager to help patients optimize their health by addressing the root causes of illness rather than just managing symptoms.

Madeleine integrates evidence-based medical practices with holistic methods to develop customized care plans tailored to each patient’s unique needs. By utilizing advanced diagnostics, crafting personalized treatment plans, and emphasizing nutrition and lifestyle changes, she works to help patients restore their energy and achieve lasting well-being.

In her free time, Madeleine enjoys running along the beach, spending time with her sisters, and watching cooking shows.

Marissa Jimenez
Medical Assistant

Marissa is a dedicated Medical Assistant at The Retreat Wellness + Aesthetics. She earned her Bachelor’s degree in Health Sciences with a focus in Community Health from California State University, Long Beach. With over three years of hands-on patient care experience, Marissa is passionate about supporting others on their wellness journey and creating a welcoming and compassionate environment for every patient.

Outside of the clinic, Marissa enjoys staying active, whether it’s running, practicing hot yoga, or taking a pilates class. A dog lover at heart, you’ll often find her walking her pups or enjoying a beach day with them. She’s currently training for her first half marathon, which she plans to complete this October!

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