Hello. Nice to meet you.

About Us

The Center for Wellbeing is New England’s premier provider of Weight Loss, Non-Surgical Knee & Joint Pain Relief, and Regenerative Medicine. Our mission is to help people avoid unnecessary medications and surgery as much as possible by activating their own self-healing abilities. The Center for Wellbeing was founded in 1995 to fundamentally impact New England residents who suffer from chronic conditions and pain. Located in Portsmouth and Bedford New Hampshire, and Braintree and Woburn Massachusetts, we use a modern approach to sustainably improve chronic pain, weight management, and inflammation, making lasting impacts on our patients’ lives. Our dedicated care team is here to help you along the journey to your optimized health.

Please meet our Administrative & Medical Team

Our core care team is supported by our medical staff and dedicated professionals who run our day to day operations.

Portsmouth, NH

Dr. Jeffrey Donatello, DC, CNS, CFMP

Dr. Jeffrey Donatello, DC, CNS, CFMP

Co-Founder, Chief Executive Officer

Dr. Jeff Donatello works with his medical team to help patients with chronic pain and inflammation using a Regenerative Therapy (Stem Cell Derived Biologics) and Functional  Medicine Model. This approach gets to the root cause of inflammation and disease rather than masking symptoms. He has a 30+ year career in health care and is passionate about empowering people  to optimize their health and wellbeing.

Kelly Donatello

Kelly Donatello

Co-Founder, Chief Experience Officer

Kelly is a Certified Integrative Nutrition Health Counselor and works with the medical team to support our patient’s personalized needs. Her 20 year career in technology provided a solid foundation to help educate our patients on regenerative and functional medicine therapy options. She continues to follow her curiosity about human potential and self-healing therapies.

Kellie Beauchesne

Kellie Beauchesne

Director of Client Experience

Kellie is a certified personal trainer and nutrition counselor. Her passion is working with people that want to transform their bodies for better health, strength, and beyond. She is obsessed with the science and art of personalized nutrition and exercise. Crafting a plan and seeing it create the desired outcome for her clients is so rewarding. Kellie has been at this for almost 20 years. She loves learning the latest in nutrition, health technology, and movement in order to share new techniques with her clients.

Kellie has a bachelor’s degree in Therapeutic Recreation from the University of Southern Maine.

Jennifer Seeley

Jennifer Seeley

Functional Nutritionist

Jennifer Seeley, MS, CNS, LDN & Functional Nutritionist, is a licensed nutritionist and yoga teacher. Jenn received her Master’s Degree in Clinical Nutrition from Maryland University of Integrative Health. She also received a Holistic Health Certificate from the Institute of Integrative Nutrition and a Plant-Based Certificate from Cornell University. Jenn received her 500-hour yoga teaching certificate and is a member of the National Yoga Alliance.

Bonnie Crosley

Bonnie Crosley

Health Coach

Bonnie has always followed a healthy lifestyle and truly believes that food is nature’s medicine. She takes pride in the fact that at this stage of life, she is on no pharmaceutical medications. Her love and passion for helping people become the best healthy versions of themselves has turned into a full-time dream job. Anyone that has worked with her clearly sees the excitement she has when her patient’s healthy goals are met.

She obtained her Coaching/Health and Wellness certification through Villanova University in Villanova, Pennsylvania. She also received her 200 HR Yoga Teacher Training from Full Circle Yoga School in Coco Beach, Florida and currently offers one on one sessions.

In Bonnie’s spare time she loves cooking and spending time with her friends, 2 daughters and her 4-year-old grandson Bradley. If there is music and a dance floor nearby, you will be sure to find her there!

Jen Mathieson

Jen Mathieson

Health Coach

Jen, a dedicated health coach, found her passion for wellness through personal transformation. With a yoga instructor certification since 2008 and graduating from The Institute for Integrative Nutrition in 2016, Jen employs an integrative approach at the Center for Wellbeing. Her focus is on tailored wellness plans that merge nutrition and mindfulness for holistic well-being.

She believes in empowering clients through achievable, lasting lifestyle changes, emphasizing small habits’ transformative impact. Jen’s empathetic nature fosters genuine connections, creating a supportive environment for clients’ wellness journeys.

Beyond her work, Jen enjoys home interior design projects and values time with loved ones. Her greatest joy is cozying up on the couch with her husband and two rescue dogs.

Amanda Malinowski

Amanda Malinowski

Case Manager & New Client Consultant

Lydie Donatello

Lydie Donatello

New Client Consultant

Autumn Keown-Morgan

Autumn Keown-Morgan

Lead Front Office Coordinator

Autumn began as an Esthetician graduating in 2014. She loved educating people on products to take care of their skin. She then started in the medical field working as the front desk coordinator in a cardiology office and pediatric primary care. She continued her education in phlebotomy in 2018. She loves the thought of people feeling great about themselves both inside and out. In her spare time, she enjoys time with her fiancée and their two boys, exploring nature, cooking meals, playing in the football fields, and relaxing on the beach.
Barbara Leach

Barbara Leach

Front Office Coordinator

Bedford, NH

Thandiwe Dhliwayo, MSN, FNP

Thandiwe Dhliwayo, MSN, FNP

Nurse Practitioner

Thandiwe has been working in the medical field for over 14 years and has a passion for caring for individuals as a whole person, both physically and mentally in a holistic way. Thandiwe started her nursing career as a licensed nurse assistant and has worked across a broad scope of medical settings including nursing homes, hospitals, and PCP offices. She graduated in 2014 with her bachelors of science in nursing from the University of New Hampshire and later went on to graduate in 2018 from Massachusetts College of Pharmacy and Health Science with her MSN as a family nurse practitioner. Following graduation, she spent 3+ years working as a PCP for people of all ages. Thandiwe’s goal is to empower patients and provide them with lifelong health tools and knowledge that will guide them toward living their best life!

Amy Dagan

Amy Dagan

Health Coach Director

Amy comes to us with a background in the technology and healthcare industry as a Corporate Sales Trainer, along with having an extensive background in dermatological skincare. She received her BA in Humanities and Social Science from UMass Dartmouth and is a certified Integrative Health Coach from IIN with a concentration and certification in Gut Health. 

She has experienced her own gut health issues and has learned the importance of being mentally and physically healthy through the use of exercise and nutrition. Her mission is to educate and inspire people to live free from the inside out, because when you feel your best you can live the life you were truly meant to live! 

Amy enjoys spending time with her husband, two boys and two bird dogs, Lilly and Leo. She also loves running and barre. 

Candy Foster

Candy Foster

Health Coach

Candy believes we can change anything about our health with the right food and mindset. Her journey with Crohn’s disease is what led her to this field. Allowing food and lifestyle changes to lead her away from a destiny of medications, pain, and humiliation. Candy is a Certified Integrative Nutrition Health Coach since 2015, has received her certification in Mindfulness Meditation and is a Reiki Master Teacher. She is obsessed with learning more about health and wellness every day and cannot wait to share it all with you. Candy is inspired to help others discover the magic of clean whole food and the massive effects of incremental lifestyle changes. She believes we all need a coach in our corner.

Kristen Rockwell

Kristen Rockwell

Medical Assistant

Kristen has been certified in medical assisting since 2018, I’ve dedicated five years to family medicine, honing extensive expertise and fostering meaningful patient relationships. I’m passionate about empowering individuals to achieve their best and eager to continue learning alongside you.

Beyond my professional life, I cherish moments with my husband and our three children, weaving together our blended family. We relish adventures and cozy movie nights alike. Exploring new recipes and gluten/dairy-free baking are recent passions of mine.