Adrian Neil Boothroyd is an English former footballer who was most recently the manager of Indian Super League club Jamshedpur.
At club level, he was manager of Watford from 2005 to 2008. During his time with Watford, he was regarded as one of the best young managers in England. At the time of his departure, he was the youngest and the second longest serving manager in the division.
Boothroyd then had short spells at Colchester United and Coventry City. In 2011, he replaced Gary Johnson at Northampton Town. From Wikipedia