Grigsby, Jason: - Jason Grigsby is cofounder of Cloud Four, a small web consultancy with big aspirations. Since cofounding Cloud Four, he has had the good fortune to work on many fantastic projects, including the Obama '08 iOS app. He was founder and president of Mobile Portland, where he helped start the world's first community device lab. He is the coauthor of Head First Mobile Web (O'Reilly 2011) and one of the signatories of the Future Friendly web manifesto. He participated in the Responsive Images Community Group, which helped define the new web standard for responsive images. He tracks progressive web app case studies at pwastats.com.Photograph by Lisa Boomer