Mark has spent his career working on technologies that disrupt industries, from "a computer on every desk", when he worked at Dell in the 90's as a product manager, to the digital music shift as Senior Director of Business Development at Yahoo! Music, to the cloud computing era, where as VP of Business Development at Rackspace he led the effort to embrace an open source development model and build an ecosystem and community around it, resulting in the founding of OpenStack in 2010.

In 2012, he started the OpenStack Foundation, along with Jonathan Bryce, and now serves as it's Chief Operating Officer working full time on "Protecting, Empowering, and Promoting OpenStack and the community around it, including users, developers and the entire ecosystem."

Outside of OpenStack, he loves music, Austin, BBQ, wakeboarding on Lake Austin, and basketball (Rockets & Longhorns). He goes by "sparkycollier" on the inter webs, to honor his great dane sparky (R.I.P.)