ABOUT
A Physician Lead personal Approach
Dr. Sean Cassleman
Dr. Sean Cassleman grew up in Grosse Pointe Michigan and attended John Carroll University before studying at Michigan State University of Osteopathic Medicine. Dr. Cassleman completed his residency at Sinai Grace Hospital, Detroit Medical Center in Internal Medicine. He is board certified in Internal Medicine and a diplomat of the American Board of Obesity Medicine. Dr. Cassleman’s interest in strength, exercise and fitness started through athletics at a young age and continued through his time playing football at John Carroll University. Dr Cassleman brings his passion for exercise and fitness to his daily practice of Internal Medicine.
Dr. Cassleman has been practicing Internal Medicine in Saint Clair Shores and Detroit for over 10 years. During these years he has observed the tight link between metabolic disease, sarcopenia, obesity and the chronic illness that shortens life and disrupts the quality of life that we all seek. Mission Metabolic Health improves this metabolic dysfunction through diet, exercise and medicine in ways that are limited in other settings like traditional primary care. Mission Metabolic is where Dr. Cassleman’s dream to deliver multidisciplinary comprehensive care through diet, exercise and medicine is fully realized. Dr. Cassleman is excited to deliver exceptional care through this advanced model so his patients can live leaner, longer and better.
"Coach rosi "
Rosi Reeves, CSCS, bs
Rosi is a dedicated fitness and wellness professional with a deep passion for helping individuals build lasting healthy lifestyles. With extensive experience in personal training, nutrition, and habit coaching, she specializes in creating personalized programs that improve quality of life. At Mission Metabolic Health, Rosi guides and empowers patients through tailored health plans, ensuring they have the tools and support needed for sustainable success.
Holding a degree in Exercise Physiology from the University of Arizona and multiple industry certifications, she brings expertise, innovation, and a compassionate approach to every client she coaches. Beyond her work as a health coach, Rosi enjoys spending time with my family, cooking, crafting, and working on home renovation projects, which allow her to express creativity and problem-solving skills in different ways.
"Coach sam"
Samantha Nelson CPT/CNC, BS
Sam is a committed health coach with a strong passion for helping individuals reach their wellness goals. With a Bachelor’s degree in Health Science from Oakland University and certifications in both personal training and nutrition coaching, Sam combines a strong educational foundation with hands-on expertise to guide clients toward healthier lifestyles.
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In addition to working with individuals to improve their physical health, Sam is deeply committed to promoting overall well-being through balanced exercise, nutrition, and mindset. Outside of work, Sam enjoys exercising, spending time outdoors, and cherishing moments with family, all of which contribute to a well-rounded approach to living a healthy life.
"Coach Whitney"
WHITNEY STARRS
CHHC, CPT/ CNC, RYT-200
Whitney is a Certified Integrative Nutrition Health Coach & Personal Trainer with over ten years of experience helping clients build balance, strength, and confidence. She blends nutrition, movement, and mindfulness to create practical, sustainable routines that fit real life. With a background in nutrition, fitness, and yoga and an eye for creativity from her earlier studies in fashion design and literature, Whitney brings a thoughtful, holistic approach to every client she works with.
She’s a wife and mom to three daughters, is actively involved with them in their sport, adventure girl, & theater programs. In her free time, she enjoys spending time with family, running, and reading anything she can get her hands on. Her goal is to have you feeling confident, strong, and empowered in your everyday life.
Ally’s mission is to ensure every patient feels valued and empowered on their wellness journey. With a Bachelor’s degree in Business and a strong commitment to creating a welcoming and supportive environment, she envisions a space where individuals receive the care and resources they need to achieve lasting health and well-being.
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Passionate about organization and customer service, Ally brings efficiency and warmth to daily operations. Ally strives to enhance each patient’s experience by ensuring they feel valued and informed. Beyond her role, she enjoys spending quality time with family and friends, reading, and staying active.