Lawrence Bell joined Cornerstone in February 2023 from Sen. Warnock's (D-GA) office where he served as Deputy Chief of Staff and Senior Advisor. Lawrence joined the Senator's office after serving as an Advisor and Chief of Staff for the Warnock for Georgia Senatorial campaign in the 2020 special election. His leadership role on that campaign led to a historic victory electing the state's first Black United States senator.

Prior to joining the Warnock campaign, Lawrence worked in the Atlanta office of a large law and lobbying firm. There, he represented some of the country's largest corporations, working with state and local elected officials to help shape public policy and regulations across a variety of industries. His role at the firm also included community engagement, helping the organization develop and implement its philanthropic strategy to maximize the firm's impact in the community.

Lawrence has volunteered with numerous organizations including Big Brother Big Sister, Yes Atlanta and Urban League of Greater Atlanta-Young Professionals, among others. He has served on the advisory board for the Young Adult Guidance Center, and the Atlanta Chapter of National Black MBA. He also served on the board for Groundwork Atlanta, a non-profit focused on environmental sustainability and was a Trustee at Ebenezer Baptist Church, where he is still a member. Lawrence was recognized in Southern Journal Magazine as one of their 14 under 40. He received his master's from Georgia State University and his bachelor's from Clark Atlanta University.

Shalamar Parham joined Cornerstone in January 2025 after serving as a Senior Policy Analyst with GeorgiaLink Public Affairs Group, where she lobbied and advocated on client issues and analyzed legislation to support client needs.

Prior to that, Shalamar served as Policy Manager/Legal Counsel for the Georgia House Democratic Caucus, where she provided policy advice, drafted legislation, and led a team of nine in summarizing over 1,000 bills. Her experience also includes serving as Chief of Staff for former Georgia State Representative Erick Allen (D-GA), overseeing legislative strategies, managing staff, and coordinating with leadership.

In addition to her public policy expertise, Shalamar has an extensive legal background. She worked as the Managing Attorney at her own firm - Parham Law Firm, LLC, where she managed active cases, recruited and developed legal teams, and handled firm operations for more than a decade.

She holds a Juris Doctor from John Marshall Law School and a B.A. in Criminal Justice from Valdosta State University.