
Reid, former director of search at The Search Works, will take up his new role at Carat's Parker Tower at the end of November.
He brings eight years' digital experience to the role, including strong entrepreneurial know-how as founder of AccountLab.com, PowerVPS.com and Blue Box Internet. He was also head of natural search at 360 Innovate until 2008.
Aegis Media UK has also appointed affiliate marketing pioneer Tyson Pearcey to help lead the group's new performance marketing offering.
Aegis, which incorporates Carat, Vizeum and digital specialist Diffiniti, is setting up a trading platform and a new affiliate marketing product.
Pearcey is expected to join in December and will report to Diffiniti managing director Ben Wood. He has almost 10 years' experience in affiliates, most recently as business development director at Buy.at, the UK's largest independent affiliate network. He has also worked for Omnicom Media Group and Silvertap.