Men To Watch 2025 honoree Marvin Chambers
- 2 days ago
- 2 min read

Marvin Chambers is a transformational Executive Coach, Leadership Development Consultant, Talent Strategist, Keynote Speaker, and Team Facilitator with a proven track record of guiding leaders, teams, and organizations through accelerated growth, organizational decline, and large-scale transformation. With over 25 years of experience in world-class companies like The Coca-Cola Company, AT&T, EY, and NCR, Marvin aligns powerful strategies with culture, talent, and process to deliver extraordinary results and lasting impact.
As the Founder and CEO of the Onyx Leadership Collective, Marvin is a fierce advocate for people of color in leadership—helping them break free from the pressure to conform and equipping them to lead with authenticity, purpose, and power. He is the visionary behind The Onyx Leadership & Brotherhood Circle, a virtual mastermind and coaching
community where men grow through external achievement, intentional process, and personal mastery. He is also the author of Awakening the Onyx Spirit: Mindful Moments for Men, a compelling journal designed to help leaders move from survival to alignment and from performance to presence.
Marvin’s mission is to coach, teach, mentor, and empower leaders to be the best version of themselves. He works with those who know they’re capable of more but are blocked by self-doubt, lack of clarity, or outdated strategies. Marvin brings practical tools, deep insight, and compassionate accountability to help leaders build resilience, expand their influence, and create a legacy that reflects their values and vision.
He helps leaders:
- Maximize performance without sacrificing authenticity
- Build trust, credibility, and executive presence
- Navigate complexity, politics, and difficult relationships
- Lead transformational change and cultural renewal
- Create inclusive environments where people thrive
Marvin has worked with leaders across healthcare, financial services, tech, education, government, and nonprofits. His clients include The Obama Foundation, Coca-Cola, AFLAC, Sony Music, Carrier, Howard University, Akron Children’s Hospital, Independent Community Bankers of America, BDO, NIH, Mercy Housing, DC Water, and Johns Hopkins Hospital, among others. A lifelong learner and servant-leader, Marvin has proudly served as:
- Mentor & Speaker for Year Up
- Board Member, Calvert Hall College
- Board Member, Key of Solace
- Proud Member of Omega Psi Phi Fraternity, where he leads youth and civic engagement initiatives
He holds certifications as a Professional Certified Coach (PCC – ICF), Certified
Professional Coach (CPC – iPEC), and Energy Leadership Index Master Practitioner (ELI-MP). He is trained in Hogan Assessments, PRISM, and Neuro-Linguistic Programming (NLP). Education:
- BBA in Finance, James Madison University
- MBA in Human Resources Management, The George Washington University
Beyond his professional accomplishments, Marvin is a devoted husband to his wife Terri, a loving father to his son Isaiah, and a man committed to his faith, family, and community. He finds renewal and challenge through CrossFit, Brazilian Jiu-Jitsu, and his growing love for golf, all of which reflect his commitment to continual growth—mind, body, and spirit.
Whether in the boardroom, the Brotherhood Circle, or the community, Marvin Chambers helps leaders unlock their truth, reclaim their power, and rise with intention, influence, and impact.
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