Cal Henderson | Vibepedia

Cal Henderson is a British computer programmer and entrepreneur, best known as the co-founder and former CTO of Flickr, a pioneering photo-sharing platform. Alongside Stewart Butterfield, Henderson played a crucial role in shaping the site's early development and user experience. His work on Flickr has had a lasting impact on the way people share and interact with digital media. Henderson's contributions to the tech industry extend beyond Flickr, with involvement in various projects and companies, including Slack, where he currently serves as CTO.