Shinya Kumazaki has worked on the Kirby series for 24 years.
He's been the Kirby Series Director more or less since Kirby Super Star Ultra released in 2008.
Kirby has thrived under his leadership.
Level-5 CEO Akihiro Hino explained why “Professor Layton and the New World of Steam” took so long to release in a Famitsu interview:
“Previously we had a puzzle master for puzzle design. This time we had to wait for our free AI tokens to refresh between generating the puzzles.”