Giff is an Entrepreneur and Product Leader who has sold three companies and helped build many others. In 2014, he published the book Talking to Humans as a practical guide to customer discovery for aspiring entrepreneurs. The book went on to win a special award from the National Science Foundation and is now standard reading in university and accelerator programs around the world. In 2018, Giff and his collaborator Frank Rimalovski followed up with the sequel Testing with Humans, which is all about running effective experiments. Giff is currently the Chief Product Officer at Meetup, a WeWork company, leading product, design, software engineering, and data science teams. Previously, he was VP of Product at fintech startup Axial, where he led the product, engineering, content strategy, and pricing. Prior to Axial, Giff was CEO of the global innovation consulting firm Neo, which was acquired by Pivotal. Prior to the acquisition, Neo built a globally recognized brand for modern product strategy, development, and design. Giff personally led major innovation projects at the Mayo Clinic and Time Inc, among others.