Meet the Holistic Nutrition Credentialing Board

Julie Thenell Photo

Julie Thenell, BS, MS, NC, Board Certified in Holistic Nutrition®
Bauman College
Board Chair

Julie believes good health is as close as your kitchen. Board Certified in Holistic Nutrition®, Julie’s practice is based on nutrient-dense whole food and lifestyle choices that support health and well-being, especially during times of high stress and transitions. Her role is to educate, guide, and support individuals in positioning themselves to better respond to the inevitable stressors of life.

In addition to her private nutrition practice and serving on the Holistic Nutrition Credentialing Board, Julie is a Distance Learning Instructor for Bauman College. She is proud to align herself with professionals who share the belief that nutrition and lifestyle play critical roles in health and are taking steps to make significant changes in the health of our nation.

Part of Julie’s “lead by example” lifestyle includes hiking, biking, running, swimming, snowshoeing, reading, cooking, and sipping tea. She is on a mission to inspire others to live a vibrant life in spite of daily stressors.

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Cordelia McFadyen, NNCP, Board Certified in Holistic Nutrition®
Pacific Rim College

A self-described gut health enthusiast, Cordelia McFadyen is a Natural Nutrition Clinical Practitioner & Board Certified in Holistic Nutrition® who is committed to spreading the joy and vitality that can be found through holistic nutrition and the benefits of a strong digestive system, balanced hormones and healthy boundaries. She has spent the last 4 years serving as Dean at the School of Holistic Nutrition at Pacific Rim College and is currently most passionate about the work she is creating in her company called Inspired Living Nutrition Inc. and its work of empowering women through strong gut health.

With more than 15+ years of personal and professional experience, Cordelia has worked on several valuable projects, including her involvement in Pacific Rim College Online's Community Herbalist Program and her membership community entitled Gutsy GoddessTM.

Cordelia has been honored with Awards & Recognition for her contributions to the Holistic Nutrition Industry in Canada.

In her free time, you can find her tending to her garden, hanging out at the beach and spending quality time with her husband and chihuahua. 

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Rebekah Fedrowitz, MHN, Board Certified in Holistic Nutrition® 
Board Secretary

Rebekah Fedrowitz, MDN, BCHN® is an integrative health speaker, author, and educator. She’s passionate about helping women recover from stress and restore their health through a holistic approach that considers physical, mental, and spiritual health. She believes that nutrition is an important part of the body’s healing process, and with the right nutrition, women can escape the traps of their so-called “normal” health challenges.

Rebekah completed her Master’s diploma in nutrition from the Edison Institute of Nutrition. She is Board Certified in Holistic Nutrition® and is a professional member of the National Association of Nutrition Professionals. She is the founder of Restored: An Integrative Wellness Community, the host of the You Are Well Health Podcast, and a co-author of Sister, Walk in Truth.

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Jill Hillhouse, BA, BPHE, CNP, RNT, Board Certified in Holistic Nutrition®
Institute of Holistic Nutrition

Jill Hillhouse BA, BPHE, CNP, RNT, is a nutrition specialist, speaker and author.

A passionate promoter of nutrition education, Jill believes that health starts on your dinner plate. In practice, she focuses on addressing her clients’ metabolic individuality as a key factor in her functional nutrition protocols and coaching. A strong voice for self-advocacy, Jill encourages and empowers her clients to be active participants in their own health care and uses diet and lifestyle shifts as the foundation of her protocols.

Working as a nutritional practitioner since 2003, Jill is part of the integrative health team at P3 Health Clinic in Toronto, Canada, and she also maintains a thriving private nutrition consultation practice. Jill is the co-author of The Paleo Diabetes Diet Solution: Manage Your Blood Sugar with 125 Recipes and a 30-Day Meal Plan and the best-selling book The Best Baby Food: 125 Healthy & Delicious Recipes for Babies & Toddlers.

Jill Hillhouse is a Certified Nutritional Practitioner (CNP) from The Institute of Holistic Nutrition and has earned her Bachelor of Physical and Health Education (BPHE) and her BA in Psychology from Queen’s University. She is certified as a First Line Therapist in Lifestyle Medicine by Metagenics and as a Stress and Wellness Consultant by the Hans Selye Foundation and The Canadian Institute of Stress.

Jill has been a faculty member of The Institute of Holistic Nutrition since 2005 and currently teaches the Continuing Education Course Blood Sugar Management in Clinical Practice. She is also a Student Clinic Advisor at IHN. Jill serves on the Holistic Nutrition Credentialing Board of the National Association of Nutritional Professionals (NANP) and is a member of The Canadian Association of Natural Nutrition Practitioners and the Institute of Functional Medicine.

Follow Jill on her website, Facebook, Twitter and Instagram for commentary about new scientific studies, topical health issues and practical tools for better health.

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Kirstin Nussgruber CNC, EMB, Board Certified in Holistic Nutrition®

Kirstin Nussgruber CNC, EMB is a cancer nutrition expert, author, and speaker. Kirstin is passionate about helping people get out of cancer overwhelm by teaching them how to reclaim their lives. A two-time cancer survivor herself she learned first-hand the importance of an integrative and functional medicine approach to one’s health to facilitate true healing. She offers personalized mentoring packages to private clients and in collaboration with functional medicine practitioners. Kirstin can be hired for speaking engagements where she advocates for a complementary approach to augment traditional cancer care, and practice proactive prevention.

Kirstin is the bestselling author of Confessions of a Cancer Conqueror – My 5 Step Process to Transform Your Relationship with Cancer and creator of First Steps to Take Control of Your Cancer Care, an online self-help program for people looking for an evidence-based start to their healing journey.

Kirstin shares her inspiring blogs and self-created recipes at, and is part of the Chilkov Clinic as well as the team at Valley Integrative Pharmacy.


Julie Rauch, MBA, NC, Board Certified in Holistic Nutrition®

Julie Rauch, MBA, NC, Board Certified in Holistic Nutrition®  is a Certified Nutrition Consultant & Natural Chef graduate of Bauman College. She began her service at NANP on the executive board of the (then) Berkeley branch in 2005. She joined the national board in 2009 as treasurer before stepping into the role of president in 2012. In private practice, Julie specializes in hard to resolve health issues including hormonal imbalances, chronic infections, and heavy metal & chemical chelation using whole food supplements. She teaches practical "no excuses" healthy eating and cooking strategies to support the health and well-being of her clients. Certified in AcuPoint Integrative Testing (AIT), Julie uses this comprehensive system to evaluate her client's unique nutritional needs and create customized supplement protocols for them without the need for laboratory testing. Julie is the nutritionist for Advance International, Inc., producer of the odorless, tasteless, marine-based Advance Protein Powder. In addition, she provides nutrition consulting services to the employees of Standard Process of Northern California.

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Helayne Waldman, EdD, MS, Board Certified in Holistic Nutrition®
Hawthorn University

Dr. Helayne Waldman has been investigating the relationship between cancer and nutrition since her father was diagnosed with lung cancer in the 1990s. She formalized her studies at Bauman College in 2003 and has been involved in the area of oncology nutrition full time since 2007. In 2012 Helayne published, with co-author Ed Bauman, her first book: The Whole Food Guide for Breast Cancer Survivors, which continues to be an Amazon bestseller in the category of nutrition and cancer. In addition to teaching at Hawthorn University, Helayne is a member of the teaching staff at the University of Western States, Human Nutrition and Functional Medicine Program and is a regular lecturer and workshop facilitator for the Cancer Support Community, a national nonprofit (formerly known as Gilda's Club). She has contributed articles to the Townsend Letter for Doctors and Patients, GreenMedInfo and other online health blogs, and is a Board member of the Annie Appleseed Project, which puts on a yearly conference on Alternative and Complementary treatments for cancer in West Palm Beach, Florida. Helayne has a private practice in Oakland, California, where she works with clients to optimize their cancer deterrence strategies, specializing in breast cancer.


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Dr. Thomas O'Bryan, DC, CCN, DACBN, Board Certified in Holistic Nutrition®

Dr. Thomas O'Bryan, DC, CCN, DACBN is an Internationally recognized speaker and workshop leader specializing in Gluten Sensitivity, Celiac Disease, and the triggers in the development of autoimmune disease. He is a 'Sherlock Holmes' for chronic disease and metabolic disorders. He is a clinician par excellence in treating chronic disease and metabolic disorders from a Functional Medicine Perspective. He holds teaching Faculty positions with the Institute for Functional Medicine and the National University of Health Sciences. Dr. O'Bryan is always one of the most respected, highly-appreciated speakers. His books have won National Book awards and been #1 in many categories Dr. O'Bryan's passion is in teaching the many manifestations of Gluten Sensitivity and Celiac Disease as they occur inside and outside of the intestines.

 Rose O'Leary

Rose O’Leary, BA, Board Certified in Holistic Nutrition®
Canadian School of Natural Nutrition

Rose O’Leary is the Executive Director and Registrar of the 13 branches of the Canadian School of Natural Nutrition. She is actively involved in training the Branch Managers, and in creating and enforcing CSNN’s operational policies and procedures. As Registrar, Rose makes final rulings on student issues and oversees the grading system, student records, and graduation requirements.

Since 1997, Rose has been working with industry associations, stakeholders, and industry employers to promote both CSNN and holistic nutritionists. She continues to be an advisor to the NANP’s Credentialing Board.