Complex sentence: Relic Entertainment and Barking Dog veteran Christopher Stewart is the company's producer, and programmers Darren Grant and David Salsman, and artist Chris Gerspacher worked with Cirulis as developers at Barking Dog/Rockstar Vancouver.
Split into simpler sentences: Relic Entertainment and Barking Dog veteran Christopher Stewart is the company's producer. Programmers Darren Grant and David Salsman, and artist Chris Gerspacher also worked with Cirulis as developers at Barking Dog/Rockstar Vancouver.