Merrick Rosenberg is a trailblazing entrepreneur, keynote speaker, and the foremost expert on how personality shapes behavior, relationships, and success. In 2012, he revolutionized the DISC personality model by reimagining the classic letters as four memorable birds—Eagle, Parrot, Dove, and Owl—making the styles instantly visual, relatable, and unforgettable.
Merrick is the co-founder of Team Builders Plus (1991) and Take Flight Learning (2012), and has brought his innovative approach to more than two-thirds of the Fortune 100. He’s the author of eight award-winning books on personality and leadership, including Taking Flight!, The Chameleon, and Which Bird Are You?, and is the creative force behind the acclaimed short film BirdBrains, Inc., winner of 23 film festival awards.
His newest book, Personality Intelligence: Master the Art of Being You (For Your Sake and Everyone Else’s), was released in September 2025 and offers a bold new framework for personal and professional transformation.
Merrick’s journey began in management consulting, where he quickly realized that real change requires more than process—it demands people who understand and work well with each other. Driven by this insight, he earned an MBA in Organizational Development and founded one of the first team-building companies in the U.S. From there, he pioneered a new era of personality-based training that blends self-awareness with interactive learning.
Through his energetic keynotes, engaging programs, and innovative tools, Merrick continues to help people unlock their potential by mastering the one thing they carry with them everywhere: their personality.
In his newest book, Personality Intelligence: Master the Art of Being You (Sept 2025) offers a reimagination of the traditional DISC method of personality assessments into four intuitive birds (Eagle, Parrot, Dove, Owl). The personality test created by Merrick has been taken by more than 15 million people and is now used by two-thirds of the Fortune 100. Through real-world stories, celebrity profiles (such as Keanu Reeves, The Rock, and Taylor Swift), and strategies for work, leadership, relationships, and parenting, Personality Intelligence reveals how to level up through four stages of “Personality Intelligence” to become a more self-aware, adaptable, and successful version of yourself.
“Keanu Reeves’ Dove nature has made him renowned not just for his kindness, but also for his acts of selflessness and generosity that exemplify the Level 3 Dove,” says Rosenberg. “Swifties love the fact that no one can mess with Swift and get away with it. That’s her Eagle side. Dwayne Johnson embodies all four styles. Understanding your personality is only the beginning. Real transformation comes from intentional action.”
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