Having worked in the free-to-play space since 2008, Griffiths will work on Hutch's new title, the in-development car collection title Top Drives.
It is expected hit soft launch in late 2016 after a successful closed beta phase.
Griffiths previously he held the position of Product Manager at Lionhead for three years. Prior to this, he held the same position at EA Playfish.
Raring to go
Hansen-Chambers, meanwhile, joins Hutch as Commercial Director and will take the lead on legal matters, licensing and business development.
Prior to joining Hutch, he was previously responsible for business development and licensing at Codemasters for seven years.