Prominent public relations practitioner, mentor to students. He specializes in crisis management, crisis communication, labor communications, litigation support and media training.

Marriott is a 30-year public relations professional, nationally accredited by the Public Relations Society of America, and a member of its Counselors Academy. His career spans broadcast journalism, politics, corporate and agency public relations.

He currently serves as a member and past president of the Centrum Foundation board, a member and past chair of the Seattle Center Advisory Commission and a member and marketing committee Chair of the Seattle Repertory Theatre board of trustees. He has also held board positions with Earshot Jazz Society, University of Washington School of Music Visiting Committee and the Seattle King County chapter of the American Red Cross.