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
There Is Much To Remember: Reflections on Memorial Day
It is Memorial Day, a singular day set aside to honor and remember those veterans who gave their lives in sacrifice to this nation. There is much to remember.
The Candle and The Mirror: SDI’s 2022 Year in Review
In 2022, from supporting caregivers to championing veterans and strengthening public health care systems, SDI’s clients led with excellence and heart.
SDI Spotlight: Patty Templeton
Patty Templeton joined Susan Davis International (SDI) as an intern in May 2022. She is a senior at Temple University majoring in Sport and Recreation Management with a concentration in Event Leadership. Focusing on more of the event side of her studies, Patty enters...
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 |