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Transformational fitness trainer and holistic health coach, Teresa Marchese, started Rock Solid Fitness in 2000 with a mission to empower women to lead strong, healthy, passionate and powerful lives.

A business veteran, with a law degree, she has committed herself to building a network of Rock Solid Women through fitness, wellness and nutrition. Rock Solid Fitness, an outdoor women's fitness club, creates a space where women enjoy the rigors of a hard-core outdoor regimen while building comraderie and community.

Teresa has established herself as a nutritional "cleansing" expert, as Rock Solid's innovative 6-day Beauty Cleanse continues to gain notoriety in the Bay Area. Her programs have been featured in Sunset magazine, Health magazine, the San Francisco Chronicle,, and

Through each Rock Solid program, clients discover how a healthy lifestyle, physical strength, endurance, balance and flexibility will not only transform their external body, but inspire all aspects of their lives.

Rock Solid goals are not short-term. We don’t believe yours are either. By promoting self-sufficiency in fitness and creating comprehensive workouts that can be done anywhere, anytime, and by anyone, Rock Solid Fitness aims to instill lifelong fitness habits.

In pursuit of her own fitness goals, Teresa Marchese trained for and completed the Silicon Marathon, dove into a serious study of martial arts, participated in fitness boot-camps and spent hours on gym machines. Still, as a seasoned athlete, she found herself frustrated by the lack of optimal results from her regimen. She then earnestly studied the effects of exercise, nutrition, and supplementation, developing an understanding of the combination that produces achievable and noticeable results. Teresa took this knowledge, received a certification from the American Council on Exercise, began training friends and teaching outdoor fitness classes, and Rock Solid Fitness was born.

With a network of warm, experienced, and motivating trainers, and a loyal following of clients who have realized ambitious results, Rock Solid Fitness continues to grow to change the bodies and lives of a unique and diverse city.