Gary Caldwell will be the manager of the city for a long period of time.
He is a former Celtic and Scotland defender.
He was in charge of Wigan when they were promoted to the Championship.
He takes over from Matt Taylor.
The challenge of League One was appealing to the club's development team.
I've been very excited by this football club and the whole interview process was very professional, and now I'm ready to meet the players.
He said that Matt Taylor did a great job over a number of years.
I have to build on that and take the good work that has been done and move forward," he said.
The club is always evolving and growing. We have to take it to the next level and see where it leads us.
The Grecians gained promotion under Taylor last season and are three points off the play-offs.
"Exeter City is unique and it was important that we chose the right person to continue our journey," said the supporters' trust chairman.
Gary brings a lot of experience to our club and we are excited and optimistic for the future.
Kevin Nicholson and Jon Hill stepped in to manage the team over the past few weeks.
Between 2006 and 2009, Caldwell won two Scottish Premiership titles, a Scottish Cup and League Cup with Celtic, as well as a five-year stint at Wigan Athletic.
He lifted the FA Cup after a historic win over Manchester City at Wembley in May 2013).
After retiring from playing in 2015, he joined the coaching staff at Wigan and became manager in February 2015.
The club bounced back to the Championship the following year, despite being demoted that season.
He was assistant manager at Hibs until the club sacked him and his assistant in April.
Brent Pilnick is a sports reporter for the British Broadcasting Corporation.
The person taking over from Matt Taylor had to be aware that they weren't taking on any old football clubs.
The Grecians run on a tight budget with players from the academy being pushed towards the first team more than any other side.
In 16 years at St James Park, there have been two previous managers, both of whom had experience of managing at a higher level.
Taylor was a popular figure around the club having been a promotion-winning captain as a player and spending a successful four years as manager after a stint with the academy, finishing with him being named League Two manager of the year in May.
It will be interesting to see what Caldwell does to change the system of three central defenders, wing-backs and two forwards, while the club may see bids for some of their best players.