Thijs Feryn is an evangelist at Combell and a board member at PHPBenelux. He is a trusted advisor at Belgium Cloud and represents Ghent Web Valley. The document discusses what cloud computing is, including definitions, features like abstraction and flexibility, service layers like SaaS, PaaS and IaaS, and delivery models like public and private cloud. It also discusses keeping the cloud in check by identifying risk, saving money, using DevOps, abstraction, flexibility, hybrid cloud, and ensuring compliance.