Baroness Fritchie spent seven years as chair of Nominet.
Wood was previously a Reuters board member and chair and CEO of ITN.
Commenting on his appointment, Wood said: “Nominet has an excellent track record running the .UK infrastructure, a highly talented team and plans for the future which are exciting and ambitious.”
“I’m looking forward to leading the board, and working with Russell Haworth and Nominet members to make the most of the opportunities ahead.”
Russell Haworth, CEO of Nominet, commented: “We have a strategy that builds on our strengths to create the Nominet of the future.”
“Mark Wood has a wealth of experience across digital and media sectors that will be enormously valuable, and I very much look forward to working with him to take the company forward.”