Our Advisors
Founder & Principal Advisor
Lindsey is an accomplished association executive known for helping CEOs and boards turn vision into disciplined, sustainable action. With 20 years of leadership across national and global associations, she brings strategic clarity, operational rigor and a deep understanding of executive pressure points. Lindsey is recognized for simplifying complexity, building systems that support long-term success, and creating alignment across boards, staff, and stakeholders.
As founder of Ethos Advisors, Lindsey leads the firm's approach to advisory and embedded leadership. She partners with CEOs who want more than a plan — they want accountability, operational excellence and meaningful progress.
Areas of expertise:
Strategic planning and organizational alignment
Board governance and stakeholder engagement
Operational design and performance systems
Executive advising and leadership coaching
Lindsey K. Nelson, MBA, CAE
Founding Advisor
Greg is a nationally recognized association executive and advisor with 25+ years of experience strengthening governance, elevating strategy, and guiding organizations through complex change. A former CEO and senior executive, he understands the realities of the top seat — balancing vision, culture, stakeholders and constant expectations. Greg is known for his candor, energy and ability to help leaders get unstuck with insight that quickly translates into action.
At Ethos, Greg partners with leaders who want momentum, clarity and a thought partner who understands both the weight and the privilege of executive leadership.
Areas of expertise:
CEO advising and executive transition support
Governance modernization and board development
Strategy development and organizational transformation
Culture, team alignment, and change leadership
Greg Fine, FASAE, CAE
Founding Advisor
Jim is a seasoned association executive and strategist with 30+ years of experience across national associations, nonprofit coalitions and advocacy organizations. He brings a rare blend of systems thinking, strategic insight and deep empathy for the realities CEOs face — always grounded in honest conversation and shared commitment. Known as "the calm in the storm," Jim excels at guiding groups through tough issues, competing agendas, and moments of uncertainty.
At Ethos Advisors, Jim partners with CEOs and boards who want to think differently, lead with intention, and build organizations capable of sustained impact.
Areas of expertise:
Strategy development and systems design
Facilitation and stakeholder alignment
Governance and board effectiveness
Change management and organizational resilience