Jeff Gothelf is a renowned author, speaker, and consultant specializing in digital product development, user experience design, and agile methodologies. He is best known for his work on the Lean UX framework, a collaborative approach to user experience design that integrates it closely with Agile development practices. Gothelf is the co-author of the influential book "Lean UX" and has contributed significantly to the field of product development with his insights on team collaboration and startup methodologies. Through his website, https://www.jeffgothelf.com, he offers workshops, corporate training, and keynote speaking engagements, aiming to help organizations build better products by fostering a culture of experimentation and innovation.