We solve problems, communicate strategically, enhance reputations, create events, manage crises and build relationships that endure.

SDI is a woman-owned small business. We are a full-service international public affairs and strategic communications agency. Clients stay with us, return to us and recommend us because we earn their respect and trust.

Susan Davis Inducted into Hall of Fame

Susan Ann Davis, Chairman of SDI, was recently inducted into the Communications Hall of Fame of Ragan Communications’ Top Women in Communications Awards.

Susan is a pioneering woman business owner and internationally known for her expertise in strategic positioning, government relations, and crisis communications. She has personally represented more than a dozen countries on issues ranging from economic crisis to nation building and trade expansion. During the past four decades, she has grown SDI into a global public affairs and strategic communications powerhouse that provides counsel worldwide to heads of governments, NGOs, and industry.

Who We Are

Susan A. Davis

Judith H. Whittlesey
Executive Vice President

Tom E. Davis
Vice President

Sean O’Leary
Vice President

What We’re Saying

SDI Spotlight: Hanna Ballard

SDI Spotlight: Hanna Ballard

Hanna Ballard joined Susan Davis International (SDI) as an intern in May 2023. She is a rising junior at Miami University in Oxford, Ohio, majoring in Political Science, Spanish, and Individualized Studies. Ballard learned about the internship through SDI’s Abby Kelly...

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SDI Spotlight: Holly Watson

SDI Spotlight: Holly Watson

Holly Watson joined Susan Davis International (SDI) as an intern in June 2023 through the Washington Ireland Program. Watson is a senior at Ulster University in Northern Ireland working toward a bachelor’s degree in journalism. At Ulster, she is the Events Manager for...

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Our NAICS Codes

NAICS Code Category
541613 Marketing consulting services
541810ODC Other direct costs for marketing and public relations services
541820 Public relations services
541910 Marketing research and analysis
561920 Conference, meeting, event and trade show planning services