About the agency
Zeno Group is a global integrated public relations and marketing agency with roots in PR21, an independent firm launched in 1998. Its Chicago office is a major US operating center, and the business also maintains teams in New York, Los Angeles, Washington and international markets. Global CEO Barby K. Siegel leads a practice that combines consumer brand communications with corporate reputation, health, technology and social-impact programs.
Zeno develops earned-media campaigns, creative concepts, influencer strategies, social content, executive visibility, issues management and corporate communications. Its specialists translate consumer experiences and technical business subjects into stories for newsrooms, social audiences and other stakeholders. The agency supports international campaigns with in-market teams, allowing brand launches and reputation programs to adapt to local media and cultural contexts.
Featured work includes Zeno campaigns for Lenovo, Oscar Mayer, Hyatt, Kia America and the National Marine Manufacturers Association. The agency also supports Chicago-area community programs, including pro bono work associated with diabetes fundraising. Its recognition includes the 2025 PRovoke Purpose-Driven Agency of the Year distinction and prior large-agency and workplace awards.