Historic England will come into being on 1 April and will Historic England, a Government service, will champion England’s wider heritage and give advice.
Mavor moves to English Heritage from the National Trust for Scotland, where she was chief executive.
The charity will retain the name English Heritage and will look after the National Heritage Collection of more than 400 historic sites including Stonehenge, the 1066 Battle of Hastings battlefield, Kenilworth Castle and Elizabethan Garden, Rievaulx Abbey, Kenwood, and parts of Hadrian’s Wall.
In 1997, Wilson became the first director of the Somerset House Trust. He then worked for the Greenwich Foundation, then Alexandra Palace. Previously he worked at DCMS and English Heritage.
Wilson will take up the post on 5 May, at which point English Heritage chief executive Dr. Simon Thurley will stand down and take up his senior research fellowship at the Institute of Historical Research.