Valentijn began his career in broadcasting in 1991, initially working with radio, and later transitioned into content management and online video delivery. At RTL, the leading commercial broadcaster in the Netherlands, he developed innovative live OTT services, building a catch-up service without relying on external CDNs. Also collaborated with Optus in Australia and Vimond in Norway on live streaming solutions. In 2018, joined M2A Media in London, supporting DAZN as a key customer. Now works as a Streaming Solution Manager at Unified Streaming, creating flexible video workflows for global broadcasters and platforms.