Inform.
Influence.
Connect.
We solve problems, save and enhance reputations, create events, manage crises and communicate with key audiences.
Clients stay with us, return to us and recommend us because we earn their respect and trust.
Susan Davis Wins Stevie Awards
Susan is a pioneering woman business owner and is internationally known for her expertise in strategic positioning, government relations and crisis communications. Davis has personally represented more than a dozen countries on issues ranging from economic crisis to nation building and trade expansion. She regularly develops engagement and business opportunities for thought leaders, investors and entrepreneurs around the world Davis opened her own agency in 1975 when relatively few women owned a business. 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.
What We Do
Who We’ve Worked For
Our clients come from nearly every major industry category.
Who We Are

Susan A. Davis
Chairman

Judith H. Whittlesey
Executive Vice President

Tom E. Davis
Vice President

Sean O'Leary
Vice President
Our NAICS Codes
NAICS Code | Category |
541430 | Graphic Design Services |
541611 | Administrative Management and General Management Consulting Services |
541612 | Human Resources Consulting Services |
541613 | Marketing Consulting Services |
541618 | Other Management Consulting Services |
541690 | Other Scientific and Technical Consulting Services |
541720 | Research and Development in the Social Sciences and Humanities |
541810 | Advertising Agencies |
541820 | Public Relations Agencies |
541830 | Media Buying Agencies |
541850 | Outdoor Advertising |
541890 | Other Services Related to Advertising |
541910 | Marketing Research and Public Opinion Polling |
541990 | All Other Professional, Scientific, and Technical Services |
561920 | Convention and Trade Show Organizers |