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.
Our Client Work
Who We Are

Susan A. Davis
Chairman

Judith H. Whittlesey
Executive Vice President

Tom E. Davis
Vice President

Sean O’Leary
Vice President
What We’re Saying
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...
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...
As Newsrooms Shrink, Here’s How to Maximize Media Pitching Efforts
The dramatic decline in newsroom positions makes media pitches far more difficult than they used to be. Sean O’Leary discusses how to maximize chances of coverage.
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 |