Former Wycombe, Wolves and Newcastle defender Williamson, 39, has spent the last four years as player-manager at Gateshead.
He led the Tynesiders to the National League North title in 2021-22 and has quickly built a reputation as one of the most progressive managers in Non-League.
Gateshead sat sixth in the National League at the time of his departure and have averaged 62 per cent possession this season - more than any other side in the division.
No-brainer
"It was a very tough decision to leave Gateshead but when a club like this comes in, it's a no-brainer," said Williamson, who made 134 Premier League appearances for the Magpies.
"Everythe thing club epitomises was really attractive to me and my team.
This story is from the October 22, 2023 edition of The Football League Paper.
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This story is from the October 22, 2023 edition of The Football League Paper.
Start your 7-day Magzter GOLD free trial to access thousands of curated premium stories, and 9,000+ magazines and newspapers.
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