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About A.J. Drenth
A five-time author and founder of Personality Junkie®, A.J. launched the platform in 2009 to explore the intersection of personality, identity, purpose, and vocation. His publications, including the world’s best-selling INTP book, have gained international recognition, establishing him as a leading voice in personality studies. Renowned for his clear and thoughtful writing, A.J.’s work engages both newcomers and seasoned enthusiasts alike. Read A.J.'s full bio here.