as a player, joining in with pre-season training and playing in a pre-season friendly. However, the Oxford board would not provide the money needed, claiming that they had no need for an extra defender, and on 4 August 2001 he signed for Conference side Stevenage Borough. In January 2002 he was linked with a move back to the Football League with Torquay United, but remained with Stevenage. He was caretaker manager of Stevenage for a spell in January 2003 alongside David Preece, winning 3 and drawing 1 of his first 4 games in charge. but left in May 2003 to seek a managerial position. Managerial career In May 2003, Dreyer became manager of Maidenhead United, guiding the team to the quarter-finals of the FA Trophy and securing promotion in the new Conference South. Dreyer leaves Maidenhead in November 2004. In December 2006, Dreyer was named as assistant manager of Rushden & Diamonds. taking the club from 2nd bottom of the Conference to 12th in less than 3 months. On 2 May 2008, Dreyer was named assistant manager to Graham Westley at Stevenage Borough, reaching the conference play-off semi-finals and winning the FA Trophy in 2009. In 2010 Stevenage won the conference title and reached the FA Trophy final at Wembley. In 2011 Stevenage won back-to-back promotions beating Torquay United in the League 2 play-off final at Old Trafford. Despite being well placed to achieve a third consecutive promotion, Dreyer followed Westley to Preston North End in January 2012, taking up the role of assistant manager. On 14 February 2013, Dreyer was named as Caretaker Manager of Preston North End following the departure of Graham Westley. Beating Eddie Howe's top of the table Bournemouth 2–0. Preston reach the League 1 play-off semi-finals, where they are beaten by eventual winners Rotherham United. Preston are promoted to the Championship, beating Swindon 4–0 at Wembley in the League 1 play-off final. In January 2016 Dreyer joins eventual League 2 champions Northampton Town on a short-term contract as Head of recruitment. On 18 October 2017, Dreyer was appointed as assistant manager to Kevin Davies at Southport. However, he left the position on 20 December after not being able to fully commit to the role from his southern home. In September 2018, Dreyer resigned as manager of Ware to concentrate on his business career. On 15 October 2019 he became assistant at Oldham Athletic. On 17