Embracing the Legacy of Emerson “Em” Petri : Beloved Coach and Mentor in the Cambridge Community
We are deeply saddened to share the news of the passing of Emerson “Em” Petri Cambridge, a cherished fitness coach, entrepreneur, and community builder who lost their life on August 7, 2025. This unexpected loss has left an irreplaceable void in the hearts of the ProActive Training Cambridge family and all who had the privilege of knowing Emerson.
As the owner of ProActive Training Cambridge, Emerson was more than a fitness expert they were a guiding light whose passion for health, wellness, and personal transformation inspired countless individuals. Emerson infused every training session with energy, encouragement, and unwavering belief in each person’s potential.
Colleagues and clients remember Emerson for a contagious enthusiasm, genuine compassion, and an unparalleled commitment to fostering strength both physical and emotional in others. Emerson’s legacy extends beyond muscle and movement; it’s found in the confidence they nurtured and the bonds they helped build.
Em’s spirit of generosity and mentorship was visible in every interaction whether cheering on a first-time weightlifter, guiding a seasoned athlete, or simply being present with understanding and warmth.
Rest in peace, Emerson Petri Cambridge. You illuminated our lives, and your spirit will continue to shine in every step, lift, and heart you helped uplift.
