Dr. Rhonda Jolliffe
Agata Zidon
Agata Zidon is a dedicated health coach passionate about guiding others toward healthier, more fulfilling lives. Originally from Poland, she made a bold move to the USA, completely transforming her career to follow her true calling in health and wellness. With a heart for service and a deep love for helping people, Agata takes a holistic approach to health—balancing nutrition, movement, and mindset to empower lasting change.
Beyond coaching, she finds joy in traveling, exploring new places, and spending quality time with her husband and their beloved dogs. Whether she’s supporting clients on their wellness journey, sharing her expertise, or embracing new adventures, Agata is always driven by her mission to inspire, uplift, and create positive change in the lives of others
Lead Health Coach
Alicia Hansen
Occupational Therapist
Jeannie
Patient Care Coordinator
Robin
Patient Care Coordinator
As the Patient Care Coordinator at the Jolliffe Institute, Robin is passionate about welcoming and assisting every individual who walks through the door. She is dedicated to helping others achieve a healthy, balanced life while prioritizing her own well-being.
With 36 years of experience in the insurance industry before joining the Jolliffe Institute, Robin understands the importance of optimizing health and navigating care with confidence.
Outside of work, she cherishes time with her grandchildren and family, enjoys golfing, and embraces the relaxing beauty of lake life.
Ashley
RN
Ashley is a RN at Jolliffe Institute, who has been in the nursing field for 20 years. With a background in caring for cancer and stroke patients, she has built meaningful relationships with patients and their families, providing not just medical expertise but also emotional support during challenging times.
She is passionate about using food as medicine, IV nutrient therapy, hyperbaric therapy and ozone therapy. This has not only shaped her as a healthcare provider but has also reinforced her commitment to making a difference in the lives of others, especially when it comes to promoting health, wellness, and disease prevention.
Ashley and her husband Mike are blessed with three sons, a daughter and a daughter-in-law. Ashley enjoys spending time with her family, gardening, baking, and being in the sun.
Sarah
RN / Aesthetics
Nikki
RN
Kierra
CNA
Ben Jolliffe
Operational Manager
Ben Jolliffe is the Operational Manager at the Jolliffe Institute, dedicated to optimizing health and wellness through a regenerative, science-based approach to the Bismarck/Mandan community. Growing up surrounded by functional medicine, Ben is passionate about the transformative power of functional medicine, he explores how it can enhance everyday life.
In addition to his clinic role, Ben serves as a functional medicine consultant for NutriDyn, a renowned nutraceutical company specializing in high-quality supplements and evidence-based products. His role helps bridge the gap between cutting-edge research and practical health solutions.
Outside of work, Ben enjoys staying active through sports and outdoor activities with his wife, their dog, and now newborn son. Whether on the trails or in the field of functional medicine, Ben is always striving to inspire a healthier, more vibrant life.