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Founder & CEO, The Fourth Effect
Breen Sullivan is the Founder & CEO of The Fourth Effect, a system that revolutionizes how companies deploy equity to access talent, and a recognized speaker featured by Forbes and Bloomberg.
The strongest opportunities are created through trusted relationships. When expertise, accountability, and shared incentives align, everyone has the chance to create more value than they could alone.
- Breen Sullivan
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Breen Sullivan is an entrepreneur, legal strategist, and ecosystem builder focused on the future of work, expertise, and venture growth. As Founder and CEO of The Fourth Effect, she is building infrastructure for the emerging advisory economy, helping startups, advisors, board members, and fractional executives create more effective, transparent, and measurable working relationships. Drawing on more than a decade as a General Counsel and C-suite executive, Sullivan recognized a growing gap between how modern companies access expertise and the systems available to manage those relationships.…
Founder & CEO
