Experienced deputy Cam Shepherd has taken on one of the toughest roles in WA football by becoming Peel's senior coach for the next two years.
Shepherd was an assistant coach at Subiaco in 2008 and 2009 under Scott Watters, enjoying a premiership in his first year with the Lions.
He was for the past two years on the match committee at Swan Districts under Greg Harding. Shepherd has also had involvement with State teams as an assistant coach and selector.
In a statement the Thunder said it believed Shepherd had the right experience for the position and was ready to move into a senior role.
Shepherd has also had extensive WAFL playing experience, lining up in 153 WAFL games for Perth and Claremont.
"The club would also like to thank Mark Moody for his efforts as the caretaker coach in the second half of the season," the statement said.
Moody stood in following the Thunder's decision to sack Trevor Williams mid-season.
Peel have struggled since entering the competition in 1997, failing to make the finals in any season. The club earned the league wooden spoon in 2012 with five wins.