Zach Rosenberg

Zach launched his consultancy in early 2019 as a growth consultant, handling agency searches as well as supporting media and creative agencies around business development, drawing on his extensive networking skills and long-term relationships spanning four decades.

Zach began his career 40+ years ago working in account management on the full-service side at storied agencies including JWT, DDB and Chiat/Day. While at Chiat/Day in the early ‘90s, Zach was selected to be a part of Jay Chiat’s prestigious “Agency of the Future” task force, which helped to create the virtual office, a concept that was far ahead of its time.

After a decade on the creative agency side and foretelling a wave of media specialization, Zach joined Western Media (now Initiative) in 1995 as SVP, Group Account Director to manage Walt Disney business spanning multiple divisions of the company.

Drawing on his passion for media, Zach joined Horizon Media in 2000 as EVP, general manager and led the West Coast operation for 12 years before being elevated to Chief Growth Officer for the entire agency for another 3 years. During Zach’s tenure, he helped catapult the agency into the largest privately held media services agency in the world.

Zach joined MBMG in 2015 as president and ran the agency for over three years experiencing year over year growth, managing a wide variety of clients and agency partners.

Zach’s client experience runs across diverse categories including entertainment, retail, healthcare, gaming, restaurant, insurance, and consumer packaged goods.

In 2009, Zach was the recipient of Thinkla’s prestigious “Leader of the Year” award, an honor typically bestowed on creative leaders in Southern California. For 25 years and counting, Zach has been an active board member of ThinkLA, a media, marketing, and advertising collective with a mission to connect, inspire and educate the Los Angeles marketing community.

Zach is a frequent contributor of articles and thought pieces on a variety of provocative topics to the major trade publications spanning Ad Age, Adweek, MediaPost, Broadcasting & Cable, Sports Business Journal, to name a few. Zach also moderates panels for various organizations including Mirren, Promax, and Thinkla and is an ongoing judge for the final round of the Effies, held in New York, a prestigious awards program based on marketing effectiveness.

Zach is a graduate of Pepperdine University and is a regular guest speaker/contributor to their advertising program.