Kate Kamber Brennan

Kate Kamber Brennan is a seasoned communications professional with extensive experience in integrated communications and digital marketing. As Senior Vice President at Rational 360 since June 2025, Kate leads strategic initiatives and client relations. Prior to this role, Kate served as Vice President of Edelman's global business marketing practice from February 2017 to June 2025, managing campaigns for Fortune 500 companies and major trade associations. Kate's career also includes key positions at DDC Public Affairs, where over 125 advocacy campaigns were launched, and roles at Intermarkets, Inc., OttoPilot Media, Smith Dawson & Andrews, Arnold Worldwide, the United States Senate, and Children's National Health System. Kate holds a Bachelor’s Degree in Political Science from the University of Virginia and graduated from The Madeira School.