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Meet your osteoporosis coaching team

Your entire program is instructed by Dr. Sarah Avery and Kaari's Osteoporosis Program Director Michaela Smith.

Michaela personally oversees every cohort, and you can expect to see her throughout the program during your group Zoom meetings. Dr. Avery facilitates an initial movement screen and can answer any medical questions during your introductory meeting.

Sarah Avery

Sarah Avery is a Doctor of Physical Therapy, Professional Yoga Therapist, and a 200-hour Yoga Alliance Certified Teacher. She received her Doctorate in Physical Therapy from Clarkson University in 2016. She is also the owner of Moon Cycle Seed Company, a seed cycling company for women’s health and hormonal support. Sarah completed a 200 hour training to become a Registered Yoga Teacher (RYT) in 2019 and went on to take over 2,000 hours of training at the Professional Yoga Therapy Institute in North Carolina where she received her certification as a Professional Yoga Therapist (PYT) practicing Medical Therapeutic Yoga in May, 2020. Currently, there are less than 100 certified PYT practitioners across the United States and Canada. She created the first in-person osteoporosis program of its kind in 2019, and has successfully helped over 100 patients maintain or improve bone density at her clinic.

Michaela Smith

Michaela Smith is a Yoga Medicine Therapeutic Specialist, a Yoga Alliance registered teacher at the 500hr level, a Nutritional Therapy Practitioner, and a BoneFit-trained and NASM-certified personal trainer. She has a Bachelors of Science and Nutrition Didactic Program in Dietetics from Bastyr University. She's also our Osteoporosis Program Director, meaning she supervises all our programs and makes sure participants are guided and supported the entire way! Michaela teaches movement and nutrition full-time both in person and virtually. Using a combination of yoga, strength training principles, meditation, self massage and functional movement, she's passionate about offering a safe and sustainable practice, built around her clients' individual needs. Her multimodal background allows her to blend science, self-awareness and intuition, and she's dedicated to help her clients nourish, heal and live their best and most genuine life. Her collaboration with Sarah on this program has helped dozens of clients maintain or increase bone density.

PLUS you'll get as much individualized guidance and support as you need from a designated coach!

Each Kaari Coach is a highly trained strength coach, with extensive experience working with osteoporosis and bone health specifically. They will be available to answer your questions, provide exercise modifications, give feedback on your form, recommend when to progress your weight selection for each exercise, and offer encouragement to keep you on track!

Ken Rhodes

Ken Rhodes is a BoneFit-trained Certified Personal Trainer who has extensive experience leading group fitness classes, and has been working with osteoporosis clients in person for several years under the direction of Program Director Michaela Smith and DPT Sarah Avery. As a Kaari Coach, he works with program participants to provide them with individualized support and guidance to help them meet their strength and bone density goals! Kenny has extensive experience as a Strength & Conditioning coach, and is a recreational power lifter who competes annually. He loves coaching adults and athletes of all ages and abilities, and the enthusiastic and upbeat energy he brings to every situation have made him a popular coach in our osteoporosis program!

Karin Weinstein

Karin Weinstein, ERYT-500, CMMT, YACEP, CPT, is a certified Yoga Teacher, Mindfulness Meditation Teacher, and and BoneFit-trained Personal Trainer. She uses yoga, strength training, and mindfulness to help pre- and post-menopausal women improve and maintain mental and physical resilience as they age. With her strong focus on osteoporosis and bone health, Karin has helped clients achieve measurable increases in Bone Mineral Density. She engages in on-going continuing education in subjects such as exercise science, biomechanics, tissue mechanics, and pain science so that she can provide the most up-to-date and evidence-based services for clients. Karin is patient and warm instructor. Her calm demeanor, combined with her in-depth knowledge of the human body, empowers women to trust in themselves, their bodies, and their abilities.

Elena Cheung

Elena Cheung, ERYT-500, Yoga Medicine Therapeutic Specialist, NASM CPT, is a yoga teacher and movement educator with over a decade of experience helping students move smarter, feel stronger, and support their long-term physical resilience. With advanced training in anatomy, fascia, and nervous system regulation, Elena works at the intersection of evidence-based movement and embodied self-trust. She specializes in accessible, fascia-informed movement practices that support joint integrity, mobility, and strength — especially for students navigating chronic tension, aging-related changes, or post-rehab transitions. Elena regularly works with older adults, caregivers, and active seniors to build functional strength and nervous system stability in ways that are sustainable and personalized.

Sarah Dimick

Sarah Dimick is a Yoga Medicine Therapeutic Specialist and a BoneFit-trained, certified SilverSneakers® instructor with more than a decade of experience supporting people on their wellness journeys. She is passionate about helping older adults feel stronger, steadier, and more confident in their bodies each day. She is passionate about helping older adults feel stronger, steadier, and more confident in their bodies each day. Sarah understands that aches, stiffness, past injuries, or medical conditions can make movement feel overwhelming, and she is committed to creating an exercise experience that feels accessible and enjoyable for everyone. Guided by the belief that movement is medicine, she focuses on practical, functional exercises that support real-life activities and personal goals.

Katelyn Barrons

Katelyn Barrons is a Certified Personal Trainer with over 13 years of experience working with clients both in person and online. She specializes in helping women and adults over 50 build strength, bone density, confidence, and functional fitness. As the founder of HelloStrength, Katelyn coaches clients virtually, combining expert guidance with a supportive, personalized approach. She also holds a Precision Nutrition certification, which allows her to support clients beyond the gym with sustainable habits, recipe ideas, and behavior changes that align with their goals and lifestyle. Katelyn is passionate about helping people feel strong, capable, and empowered—and loves seeing clients surpass their own expectations. She is her clients’ biggest cheerleader, offering both accountability and a science-based approach to training. With a deep understanding of age-related fitness needs, Katelyn focuses on making workouts approachable, effective, and—hopefully—fun. When she’s not working, you’ll likely find Katelyn trail running in the Swiss Alps, cheering on the Kansas City Chiefs, or perfecting her gluten-free pizza recipe.

Jenni Tarma

Jenni Tarma is the founder and CEO of Kaari Prehab. She is a lifelong athlete, endurance runner, RRCA Endurance coach, CrossFit athlete, CF- L1 trainer, ERYT 500 yoga teacher, and Yoga Medicine Therapeutic Specialist and Senior Instructor. She specializes in injury prevention, rehabilitation, performance optimization; having spent over a decade working with an active population, she has coached everyone from elite athletes to weekend warriors looking to feel better in their bodies. Jenni has multiple advanced certifications in anatomy, physiology and biomechanics. She is a senior teacher in the Yoga Medicine 500hr program, where she has mentored hundreds of new yoga teachers and created continuing education courses on topics like teaching yoga to athletes, hypermobility, and neuromechanics.