1020 authors — J

Jeff Keller is a motivational speaker, author, and founder of Attitude Is Everything, Inc.

Jeff Kinney is an American author, cartoonist, and game designer best known for creating the Diary of a Wimpy Kid series.

Jeff Kreisler is a writer, speaker, and financial expert with a background in law and economics.

Jeff Olson is an American entrepreneur, motivational speaker, and author.

Jeff Pearlman is an American sportswriter and author known for his in-depth biographies of major sports figures and teams.

Jeff Sanders is a productivity coach, keynote speaker, and host of The 5 AM Miracle podcast.

Jeff Shore is a sales expert, keynote speaker, and author known for his practical and psychology-based approach to sales training.

Jeff Speck is an American city planner, urban designer, and author known for his advocacy of walkability and sustainable urban development.

Jeff Sutherland es co-creador del marco de trabajo Scrum y fundador de Scrum Inc.

Jeff Szymanski, Ph.

Jeff Tweedy is an American musician, songwriter, and author best known as the frontman of the band Wilco.

Jeff Walker es un empresario y experto en marketing digital estadounidense, conocido por desarrollar la 'Product Launch Formula'.

Jefferson Bethke is an American author, speaker, and filmmaker known for his viral YouTube videos and books addressing faith, culture, and modern life.

Jeffrey A.

Jeffrey A.

Jeffrey Brantley, MD, is a psychiatrist and founding director of the Mindfulness-Based Stress Reduction Program at Duke Integrative Medicine.

Jeffrey Bussgang is a general partner at Flybridge Capital Partners and a senior lecturer at Harvard Business School.

Wood, PsyD, is a psychologist known for his work on DBT and mindfulness-based approaches.

Jeffrey D.

Ullman are renowned computer scientists known for their contributions to programming languages, compilers, and algorithms.