Deirdre K. Breakenridge (/ˈdɪərdrə ˈbrɛkənrɪdʒ/ DEER-drə BREK-ən-rij;[1] born 1966) is an American author and businessperson.

[2] After working in the public relations industry, she returned to the Fairleigh Dickinson University to get her MBA.

[5] Her 2008 book, PR 2.0 New Media, New Tools, New Audiences, offers public relations groups a way to get involved online in new technologies.

The Journalism and Mass Communication Educator wrote that the book is useful and well-organized for both beginners and advanced individuals in public relations.

[7] The book also describes new trends in social media and how all PR individuals can use these techniques.