Luke was Co-founder and Chief Product Officer (CPO) of Bagcheck which was acquired by Twitter Inc. just nine months after being launched publicly. Prior to this, Luke was an Entrepreneur in Residence (EIR) atBenchmark Capital and the Chief Design Architect (VP) at Yahoo! Inc. where he worked on product alignment and forward-thinking integrated customer experiences on the Web, mobile, TV, and beyond.

Luke is the author of the upcoming book Mobile First, two already popular Web design books (Web Form Design & Site-Seeing: A Visual Approach to Web Usability) and many articles about digital product design and strategy. He is also a consistently top-rated speaker at conferences and companies around the world, and a Co-founder and former Board member of the Interaction Design Association (IxDA).