Probably people no one has yet heard of.
All the current designers are, well, to be polite, past it! They are mostly ready to retire and are starting to fall off the perch!
For pinball to survive we need new talent AND we need to support and nurture that talent so they are able to grow and become designers every bit as good as the current crop.
Not every design by Richie (either of them) was good or even passable BUT they were allowed to grow and became brilliant at the end of the day.
Let's give new designers a chance or it will be 'Game Over'.