Sean Cassidy

Sean Cassidy is the President of DKC, a prominent independent public relations, marketing, and government affairs firm based in New York City. He has held this position since January 2004, having previously been a partner at the firm since 1996. Under his leadership, DKC has grown significantly, achieving a 400% increase in revenue and earning accolades such as being named the Most Powerful Public Relations Agency by The Observer.125

Professional Background

Cassidy oversees a team of approximately 250 employees across multiple offices in cities including New York, Los Angeles, Chicago, and Washington, D.C. DKC serves a diverse range of clients from various sectors, including airlines, media, entertainment, and healthcare. Notable clients have included Delta Air Lines, NBCUniversal, and Lady Gaga.124

Education and Recognition

He holds a Bachelor of Arts degree in American History from Tufts University, where he focused on Cold War foreign policy. Cassidy has been recognized as one of the "Most Influential New Yorkers" by New York Magazine and has been ranked highly in various industry lists, including being named the fourth most powerful public relations executive in the United States.235

Additional Roles

Beyond his work at DKC, Cassidy is involved in several philanthropic efforts, including serving on the board of directors for the Children’s Health Fund. He resides in New York City with his family.23