About Our Nutritionist, Herbalist and Health Coach

We understand that the elements of becoming well, such as getting testing done, ordering supplements, and following a new diet or lifestyle can be challenging. With the right support, it is all doable. Each member of our team has personal and professional experience with all of each these elements, so she knows how to make getting them done easier for you. Our team excels at creating customized diet plans, helping you obtain the supplements you need, and keeping you on track with your treatment program. Dr. Hedaya may recommend a specific team member or members based upon your needs. Team members will bill you directly as they have no financial relationship to Whole Psychiatry.

Functional Medicine Herbalist, Nutritionists & Health Coaches

Rebecca Snow

Rebecca Snow, MS, CNS, LN, (RH) AHG

Herbalist and Nutritionist

Rebecca Snow, MS, CNS, LN, (RH) AHG, is a licensed nutritionist, herbalist and educator.  She holds a Master of Science in Herbal Medicine.  Rebecca was the founding director of the Master of Science in Nutrition and Integrative Health at Maryland University of Integrative Health, where she worked for 10 years in a variety of roles as faculty, clinic supervisor and administrator.

Linda Petursdottir

Certified Nutritionist and Wellness Coach

Linda Petursdottir is a certified nutrition and wellness coach based in Bethesda, Md. A wife, mother of two boys, a native of Iceland and a former gymnast who lost and regained her balance through nutrition and lifestyle changes. She has spent over 13 years empowering other women and families to embark on their journey to better health. Linda is currently pursuing a certificate in applied functional medicine coaching.

Stephanie Feldman

Stephanie Feldman

Functional Medicine Wellness Coach

Stephanie Feldman is a master nutrition therapist, certified gluten practitioner, and a functional medicine certified health coach. She is also a certified Pilates instructor, as well as a certified barre elevate Instructor. Stephanie is a former director of operations at Functional Medicine Coaching Academy (FMCA), where she oversaw firm operations and curriculum development. Prior to FMCA, she was a market research analyst for New Hope Natural Media, a leading information provider for the natural, organic and healthy-lifestyle products industry. In her spare time, she can be found hiking with her chocolate lab, Suki.

Marla Hewitt

Marla Hewitt

Certified Health Coach

Marla Hewitt, is certified Health Coach from the Institute for Integrative Nutrition. She’s studied over 100 dietary theories. Her teachers include Dr. Andrew Weil and Dr. Deepak Chopra. She works with clients to help them make lifestyle and dietary options that taste good and produce real and lasting results.

Administrative Support

Jill LaCross

Practice Manager

Jill LaCross is a graduate for University of Maryland. She has worked as the Practice Manager for Dr. Hedaya for 11 years. Jill is graced with intelligence and patience and has an amazing ability of solve all sorts of problems.


Pauline Ngugi

IT Manager

Pauline grew up in Kenya. She moved to the US and graduated from Southeastern University with a Masters in Information Technology. She has worked as a programmer for about 12 years and manages Dr. Hedaya’s IT. Pauline loves to read, cook, and hike and lives in Bethesda with her husband and 3 crazy but lovable kids.

Clinical Support

katherine morris

Katherine Morris

Katherine Morris, M.A., Ph.D. does marital counseling and coaching. Understanding what makes you and your spouse tick, and get ticked off, goes a long way in repairing tares in a relationship and moving to a new level of connection. To make work together easy logistically and financially, we can meet at various places in and around Bethesda, or by phone/zoom.