About SPARC

Purpose-Driven Experts

in Executive Coaching and Organizational Development

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Academy of Executive Coaching, Exclusive U.S. Partner Exclusive U.S. Partner of the
Academy of Executive Coaching
Leadership

Co-Founders

Dr. Mathew Johnson, Ph.D., PCC
Mathew Johnson, Ph.D., PCC
Co-Founder & Co-CEO
Former Dean · Brown University

A sociologist, former Brown dean and former college president who has led institutions through turnaround and transformational change on six continents. As an ICF-credentialed executive coach and the U.S. partner of the Academy of Executive Coaching, Mathew works alongside presidents, deans, and foundation leaders on the challenges that are too complex for the org chart.

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Dr. Shannon O'Neill, Ph.D., PCC
Shannon O'Neill, Ph.D., PCC
Co-Founder & Co-CEO
Former Dean · Brown University

A social psychologist and former Brown dean who founded a university center for women, led workforce and professional education, and co-founded a national fair-trade organization. As an ICF-credentialed executive coach, Shannon works with women who hold real authority, on the conditions that make holding it harder than it should be.

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Our Network

Associates

Don Levy, Ph.D.
Don Levy, Ph.D.
Senior Associate

Survey Research, Community Engagement Measurement, Organizational Culture, Data-Driven Strategy

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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, Project Management & Experiential Leadership

Project Management, Community Engagement, Coaching, Experiential Leadership

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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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Stephanie Pearl, Ph.D.
Stephanie Pearl, Ph.D.
Associate

Organizational Development, Adaptive Leadership, Strategic Communications, Higher Education & Science

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Whether you are navigating a leadership transition, building a high-performing team, or ready for your next chapter, we start with a real conversation about where you want to go.

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