May 1999 - April 2004

Garry joined the Club during the 1999 close season. He had his first taste of football management with Sunday League side Priory Sports before having six, very successful, years with Heybridge Swifts. He took the Essex side from the foot of the Isthmian League division one to their best ever position in the Premier, the first round of the FA Cup and the quarter-finals of the FA Trophy. He left the Scraley Road side to take over the reigns at St Albans City towards the end of the 1997/8 season and took the Hertfordshire Club to the FA Trophy semi-final and the first round of the FA Cup. In his first season with the Daggers, Garry took the Club back into the Nationwide Conference by way of winning the Ryman League, he was also awarded the Ryman League manager of the year.

It was 2000/1 when Garry managed the Club to the FA Cup third round and a sensational draw at Premiership Charlton Athletic. Losing the replay only after extra time the Club was finally on the National Football map. By the end of the season the Club had finished third in their first season back in the Conference. A year later they missed out on promotion to the Football League on goal difference, made even more heartbreaking by the FA Charge against champions Boston United for undeclared payments to players. The Club won the Essex Senior cup and again made the third round of the FA Cup where this time they were defeated by Ipswich Town. Garry desperately wanted his Dagenham side to get promotion and in 2002/3 they agonisingly missed out again this time through a golden goal in the inaugural Play off final to Doncaster Rovers at Stoke. In the FA Cup the Club defeated Plymouth in the third round proper but lost 0-1 in the last minute in the fourth round at Norwich City.

Garry's success was his downfall and when he failed to make any impression in the League or FA Cup in 2003/4 he put his resignation in to leave at the end of the season but agreed to go a week later following a 0-4 home defeat by Gravesend.

Since leaving Victoria Road, Garry was on the brink of taking Hornchurch into the Conference before their Chairman withdrew all his funding.

He then joined Weymouth where he took them into the Conference before again the Chairman decided to restructure the Club and Garry was relieved of his duties.

In February 2007 Garry Hill took over Rushden & Diamonds where he remains.