Brennan Keller

Brennan Keller is a seasoned copywriter and creative director with extensive experience in brand messaging and content creation. Currently serving as a Global Senior Brand Copywriter at Culligan International, Brennan also founded The Greatest Company on Earth LLC, specializing in storytelling and creative campaigns. Previous roles include Creative Director positions at Path, where leadership resulted in a successful waitlist campaign attracting over 300,000 customers, and BDG, where groundbreaking advertising strategies were developed for major brands. Brennan's career began with roles at Booking.com and other agencies, demonstrating a consistent track record of increasing engagement and driving successful marketing initiatives. An alumnus of the University of Illinois Urbana-Champaign, Brennan holds a Bachelor's degree in English.