About SPARC

Purpose-Driven Experts

in Executive Coaching and Organizational Development

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Leadership

Co-Founders

Dr. Mathew Johnson, Ph.D., PCC
Mathew Johnson, Ph.D., PCC
Co-Founder & Co-CEO

ICF Professionally Certified Executive Coach, former college president, and sociologist who has led organizations as CEO and in senior executive roles through strategic and transformational change across six continents.

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Dr. Shannon O'Neill, Ph.D., PCC
Shannon O'Neill, Ph.D., PCC
Co-Founder & Co-CEO

ICF Professionally Certified Coach and award-winning higher education leader who has founded and scaled major organizational initiatives across regional, national, and global institutions.

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Our Network

Associates

Noelle MacKay, MES
Noelle MacKay, MES
Associate

Organizational Strategy, Community Development, Public Policy, Climate Resilience

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Ashley N. Woodson, Ph.D.
Ashley N. Woodson, Ph.D.
Associate

Inclusion & Belonging, Leadership Coaching, Psychological Safety, Learning Design

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Savannah-Jane Griffin, MBA
Savannah-Jane Griffin, MBA
Associate

Strategic Planning, DEIA, Community Building, Nonprofit Leadership

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Kevin Ellis
Kevin Ellis
Associate

Crisis Communication, Message Strategy, Political Strategy, Public Relations

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Yalitza Negron-Rivera, M.A.
Yalitza Negron-Rivera, M.A.
Associate

Talent Development, Workforce Programs, Higher Ed Partnerships, Nonprofit Leadership

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Noah Johnson
Noah Johnson
Associate & Experiential Facilitator

Outdoor Leadership, Adventure-Based Executive Development, Risk Management

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Tony Rivera, Ed.D., MBA, MS
Tony Rivera, Ed.D., MBA, MS
Associate

Foster Youth Empowerment, Trauma-Informed Leadership, Educational Equity, DEI Strategy

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Joaquin Romero, MBA
Joaquin Romero, MBA
Associate

Institutional Development, Fundraising, Community Engagement, Social Equity

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Peter Ellard, Ph.D.
Peter Ellard, Ph.D.
Associate

Student Success, Retention Strategy, Change Management, Higher Education

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Lance Lindauer, MBA, MPIA
Lance Lindauer, MBA, MPIA
Associate

Geopolitics, Public Policy, Technology Governance, Innovation Systems

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Cate Starmer, MBA
Cate Starmer, MBA
Associate

Sustainability Strategy, Operations, Purpose-Driven Leadership, Brand Transformation

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Ready to Work Together?

Whether you are navigating a leadership transition, building a high-performing team, or ready for your next chapter — this will be a conversation, not a discovery call.

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