Stones River Group has built a team of talented strategists with in-depth experience in government affairs, domestic and international business, project management, politics, communications and public relations. 


From boardrooms to political war rooms, news desks to TV studios, the State Capitol to the U.S. Capitol, the depth and breadth of our expertise means we can tackle virtually any challenge thrown our way. 

Clint Brewer


With extensive experience leading newsrooms, national nonprofits and economic development initiatives, Clint Brewer provides clients insider advice on navigating the media landscape, tackling communications crises and developing comprehensive strategies to achieve business and policy goals.

Mark Cate

President & Principal

Mark Cate is a seasoned executive and public policy/political strategist with extensive experience in strategic planning, economic and community development, issue advocacy and project management. With strong ties to Tennessee business leaders and government officials, a broad network of state and national policymaker relationships, and a wealth of issue expertise, Mark helps clients navigate political risks, launch compelling advocacy campaigns, capitalize on business and engagement opportunities, and strengthen comprehensive public affairs efforts. 

Daniel Culbreath


A respected and trusted policy expert, Daniel Culbreath possesses an invaluable combination of legislative know-how and deep ties to influential Tennessee policymakers. He provides Stones River Group clients with unique insights into the inner-workings of the Tennessee General Assembly, helping to develop smart, strategic roadmaps to secure policy goals and objectives

Jeremy Harrell


Jeremy Harrell is a seasoned campaign strategist with deep ties to political and thought leaders across the state of Tennessee. His extensive network of top influencers, broad policy knowledge and keen instincts have put him squarely at the center of several critical campaigns over the last decade. 

Alexandra Sollberger


An accomplished public affairs consultant and political strategist, Alex Sollberger specializes in media training and engagement, crisis communications, brand positioning and grassroots coalition building. Her strengths lie in an extensive network of national, regional and trade publication media contacts; a diverse portfolio of policy expertise; and strong relationships with leaders in Washington, D.C.

Stephen Susano

COO & Principal

With more than two decades of experience in the financial services industry, Stephen Susano provides clients with a broad business perspective, including strategic counsel on business opportunities and project management, regulatory challenges, third-party engagement and market positioning. 

Jennifer Triplett


With a background in marketing, branding, grant writing and donor cultivation, Jennifer Triplett brings robust and varied communications, organizational and infrastructure development experience to Stones River Group clients.