Services

Leadership Development Programming

A Black businessman working at a laptop

Targeted, Interactive Training & Keynote Speaking

Onyx Leadership Collective specializes in creating leadership development programs, dynamic, interactive training, and impactful keynote speaking tailored for male leaders of color in leadership. Through culturally responsive methods, equity-driven insights, and practical tools, Onyx Leadership Collective equips leaders of color with the skills and strategies to excel in high-stakes environments, rise through organizational ranks, and influence positive change. The following tailored development topics address common challenges while enhancing leadership effectiveness.

Executive Presence

Leaders develop the confidence, poise, and authority to influence and inspire others. Through practical techniques, leaders learn how to project leadership presence in meetings, presentations, and interactions.

Emotional Intelligence

This program helps leaders enhance their self-awareness, self-regulation, and empathy, which are crucial for managing diverse teams and fostering strong relationships. Leaders learn how to navigate workplace emotions, both theirs and others, for better outcomes.

Mindset for Success
(Using Energy Leadership)

This program helps leaders shift their mindset, identifying and replacing limiting beliefs with empowering perspectives. The Energy Leadership model is used to help leaders manage stress and develop a proactive, resilient approach to leadership challenges.

Personal Branding

Leaders build a unique personal brand aligned with their strengths, values, and career aspirations. This program focuses on articulating leadership identity, cultivating an authentic presence, and using that brand to influence key stakeholders.

Navigating Politics

 Leaders learn how to effectively navigate organizational politics without compromising their integrity. This program helps participants understand power dynamics, make strategic alliances, and manage complex relationships.

Forging Relationships in the Workplace

Strong professional relationships are key to career success. This program equips leaders with tools to build trust and credibility, both within their teams and across the organization.

Crucial Conversations

Leaders gain the skills to handle difficult conversations with composure and clarity. This program focuses on conflict resolution, giving feedback, and having honest, productive discussions with colleagues and superiors.

Managing Up

Leaders learn how to manage relationships with senior executives, presenting themselves as strategic partners. The program teaches skills to align with organizational goals while maintaining personal authenticity.

Building Trust & Credibility

Essential for effective leadership, this program focuses on helping leaders consistently demonstrate integrity, transparency, and dependability to inspire trust within their teams and broader networks.

Managing & Overcoming Bias

Leaders of color often face implicit bias in the workplace. This program provides strategies to recognize, address, and overcome bias, both in others and within themselves, fostering a more inclusive and fair workplace culture.

What Leaders Say

Dirron Allen

“The OLC coach empowered me with tools and resources that I still use today and I share with others that I lead. He centered me as a client and shared resources that were designed with me in mind. Additionally, he took the time to get to know me and my values. He demonstrated this when providing feedback, especially if my actions did not align with my values.”

Dirron Allen, Associate Vice President, Student Affairs

Theodore Chung

“My sessions with Marvin were far more insightful, impactful and meaningful than I ever imagined it to be. I gained a perspective into myself that was more than just helpful in my career but as a husband, father and as a man. My only regret was in not availing myself of Marvin's services sooner than I did.”

Theodore Chung, Executive Fellow

Justin Denham

“Marvin has been my Executive Coach for over two years, and his guidance has been transformative in fostering a positive mindset and focusing on what truly matters for long-term success. He has helped me build stronger relationships with peers, tackle challenges effectively, and approach both life and work with clarity and optimism.”

Justin Denham, Chief Information Officer

Luis Disotaur

“Marvin is a phenomenal coach. He quickly identifies your strengths and helps you take them to the next level. More importantly, he helps you see the blind spots, which often holds us back. Working with Marvin landed me a promotion.”

Luis Disotaur, Behavioral Health Executive

Darrell Farewell

“Marvin quickly builds meaningful rapport and creates a safe space for open dialogue. His expertise in assessment tools and coaching methodologies has greatly benefited me as a leader for my family, organization, and community. As an African American man, I value Marvin’s ability to relate to my experiences, which has been invaluable in addressing challenges and fostering my growth.”

Darrell Farewell, Executive Director

Sean Honda

“I fully credit my increased business development skillset to Marvin. He provided relevant information and was able to tailor his coaching skills to how I learn. As a partner in a national CPA firm where business development is critical to my success, I am grateful to have Marvin as a coach and mentor.”

Sean Honda, Accounting Firm Partner

Tyronne Jolly

"Marvin helped me reframe limiting beliefs into empowering perspectives and clarify my strengths. Through his guidance, I developed a refined vision for roles aligned with my career goals. Marvin’s support extended beyond professional insight. His coaching equipped me to approach human services work with resilience and a sustainable, healthy outlook."

Tyronne Jolly, Public Sector Healthcare Strategist

Felix Matlock

"After many years as a senior leader in the non-profit world, I was confident in my skills and impact. However, working with Marvin has transformed my leadership approach, bringing greater commitment, excitement, and clarity to my vision. From our first sessions, Marvin guided me through an in-depth examination of my beliefs, skills, and leadership style, which challenged me to grow personally and professionally."

Felix Matlock, Jr., Regional Vice President

Tarricke Mills

"My coaching experience with Marvin has been transformative, both personally and professionally. Personally, it has increased my self-awareness and confidence, helping me navigate challenges with clarity and emotional resilience. Professionally, Marvin has enhanced my leadership skills, equipping me with tools to make more effective decisions, lead with purpose, and manage my team with empathy."

Tarricke Mills, Senior Director of Human Resources

Richard Muttai

“Working with Marvin was a transformative experience for my professional journey. His insightful guidance and unwavering support was instrumental in helping me achieve my career goals. Marvin possessed an exceptional ability to identify my strengths and areas for growth through his uniquely framed thought provoking questions.”

Richard Muttai, Manager of Quality Assurance

Reggie Pickett

“Marvin Chambers is an incredibly gifted coach, trainer and leader. With tremendous experience and wisdom he challenges you to dig deep, to face your strengths and your weaknesses and to use them to help you become the best leader you can possibly be. His listening skills, honesty, and passion combined with his love for seeing people and organizations reach their highest capacity is truly special.”

Reggie Pickett, Pastor

Alvin Saafir

"Working with Onyx Leadership Collective has been transformative for me. Coaching helped me successfully pivot into a challenging new executive role."

Alvin Saafir, Chief Credit Officer

Gabe Vasquez

“Marvin's coaching has helped to transform the way I think and act, which has helped me to be more successful. My personal and professional relationships have improved, and how I work has improved. I'm in a much better position—mindfully, personally, and professionally—than I was when I started this process with Marvin over a year ago. Marvin is a great coach. Hands down.”

Gabe Vasquez, Marketing Operations & Growth Strategies

Ronald Wagner

“Onyx Leadership Collective has been a game changer in helping me sort out my leadership brand and how to execute it. His unique blend of business acumen, emotional intelligence, and coaching expertise has allowed me to gain clarity on my vision, prioritize effectively, and develop the leadership skills necessary to drive growth and success in my business.”

Ronald Wagner, CEO & President

Dr. Curtis Webb

"My time with Marvin was truly transformational. He provided a collaborative, supportive, and safe coaching experience that was both intentional and flexible, helping me grow in tangible ways. Marvin created a space where I, as a Black man, felt affirmed and understood—a rare and invaluable support system that allowed me to unpack my work, identify what energized and drained me, and align my career with what I truly enjoy."

Dr. Curtis Webb, Director of Systems Redesign and Community-Centered Research

Email

info@onyxleadershipcollective.com

Ready to Get Started?

We focus on empowering leaders of color to unlock their full potential by cultivating both horizontal and vertical development — essential for thriving in today's complex work environments.