ESI is a partnership between Chicago business leaders Rena Henderson Mason and Marcellus H. Moore Jr., established to serve the evolving needs of the Illinois clean energy economy. As an Equity Eligible Contractor, ESI provides REC management and other services for clean energy asset owners.

In her role at ESI, Rena focuses primarily on project subscription and community engagement related matters.
Rena is a lifelong resident of the South Side of Chicago and Founder of Bold Agenda, a firm focused on empowering leaders to embrace change, push bold ideas, and build high-performing, diverse and inclusive teams. With an MBA from Harvard Business School and a background in commercial real estate, finance, operations and business development, Rena has over 20 years’ experience helping scale and develop successful businesses. She is driven to inspire leaders and shape the reality of equity, diversity, and inclusion initiatives across organizations. Rena is dedicated to her community, from serving on the board of the Arts Alliance Illinois, to fostering relationships with mission-driven organizations through Bold Agenda and raising her two sons in the community, Rena has always been drawn to the opportunity in Chicago, particularly on the South Side.
“The community issues of Chicago are unique, with the inequities of climate change being a key concern. Climate change is one of the top social justice issues of our generation and Equity Solar Illinois is working to be part of the solution.”
– Rena Henderson Mason

In his role at ESI, Marcellus focuses primarily on regulatory and community engagement related matters.
Marcellus was born and raised in Chicago and considers himself a Southsider at heart. Marcellus brings leadership experience from a distinguished law and business career, with over 20 years practicing in both fields. He is the owner and attorney at The Child Advocate Law Group and a The Alliance Law Group. Marcellus has a history of serving the Chicago community, from running a local Little League team to running for the 4th Ward of Chicago Alderman and serving as a Judge on the Illinois Court of Claims. He is a Board Member of several Chicago organizations, including Northeastern Illinois University Foundation, the Southside YMCA, and The Hyde Park Kenwood Legends, among other current and past affiliations.
“Civic connectivity is vital to the renewable energy transition. Equity Solar Illinois is an opportunity to deepen community relationships while accelerating access to clean energy.”
– Marcellus H. Moore Jr.