Since Pike River, in particular, he has built up a profile in the national media, and as a keen mountain biker he is regularly stopped on the West Coast Wilderness Trail by tourists wanting a photo with him.
However, the job has been demanding and weekends off are distant memory.
"Pike was the hardest. I was at home when I got a call from police to say 20 or 30 were missing. I dropped the phone and took off ... seven years on, it's still going on.''
On the upside, a highlight has been his success raising funds for civic projects and charities - more than $30million. Although the town square has been controversial, he still counts it as a highlight and a turning point in Greymouth.
One major challenge for all small towns is the change in retailing with the rise of internet shopping and the increasing closure of "bricks and mortar shops'', he said.
During his 21 years on the council it had invested more than $130million on new sewerage schemes, drinking-water upgrades and stormwater.
Even with such huge capital expenditure the council still had $10million in cash reserves and average rates were the eighth-lowest of the 68 district councils around New Zealand.
Mr Kokshoorn was elected to the council in 1998 and in 2004 he unseated Kevin Brown for the mayoralty. He has not been challenged for the role since.
