Harris will not contest the next NSW state election in March 2027.
The regulator is considering enforcement action against a major betting provider.
The supplier's adjusted EBITDA reached AU$5.9m and operating cash flow turned positive despite an annual payment to Monmouth Park.
The sole offline pool-betting permit will run from July 2027 to June 2032, with the incumbent's current licence expiring at the end of June.
The new CEO will focus on "restoring the integrity and honour of one of the largest companies in the Hungarian state."
Danish subsidiary 25Syv drove the casino increase, while falls in horseracing and sports betting pulled group net gaming revenue down 4%.
A reported increase below the level previously proposed could ease concerns among bookmakers and British racing over betting shop closures and lost funding.
The joint venture plans to offer horseracing and sports betting when Finland's licensed market opens, with online casino games also covered by its permit.
He will advise the German operator from mid-November before joining its board alongside Christian Gruber on 1 January 2027.
Sports betting and poker drove growth while revenue across the wider market rose only 0.5%.