Breen Sullivan
About Breen Sullivan
Breen Sullivan is a Founding Member of Marble Collective and the Founder of The Fourth Effect, with a focus on empowering women in leadership roles. With extensive experience in legal and business affairs, Sullivan has contributed to initiatives aimed at closing the gender gap in boardrooms and funding.
Work at Marble Collective
Breen Sullivan serves as a Founding Member at Marble Collective, a position he has held since 2023. In this role, he contributes to the organization's mission and strategic direction. Marble Collective focuses on fostering innovation and collaboration within its sector, leveraging Sullivan's extensive experience and expertise.
Current Role at The Fourth Effect
Breen Sullivan is the Founder of The Fourth Effect, a role he has maintained since 2018. The Fourth Effect is dedicated to addressing gender disparities in leadership and investment. Under his leadership, the organization has developed initiatives aimed at empowering women to enter the board candidate pipeline.
Previous Experience in Legal and Administrative Roles
Prior to his current positions, Breen Sullivan held several significant roles in the legal and administrative sectors. He was the Chief Administrative Officer at Watermark from 2018 to 2020, and before that, he served as the Head of Legal and Business Affairs at Known from 2016 to 2018. His earlier experience includes serving as General Counsel at Bright Power, Inc. from 2013 to 2016 and as an Intellectual Property Associate at Kilpatrick Townsend & Stockton LLP from 2009 to 2012.
Educational Background
Breen Sullivan holds a Doctor of Law (JD) degree from Tulane University, which he earned from 2005 to 2008. He also studied at the University of California, Berkeley, where he completed a JD in 2005. Sullivan began his academic journey with a Bachelor of Arts (BA) in Theater Studies from Yale University, which he obtained from 1997 to 2001.
Recognition and Media Features
Breen Sullivan has been recognized in various media outlets for his contributions to gender equity in leadership. He was featured in Forbes Next 1000 and has appeared in publications such as Corporate Counsel Business Journal and Bloomberg Women Buy-Side Network. His work focuses on closing the gender power, wealth, and funding gap, and he collaborates with a network of over 800 companies and 1,700 board-ready women.