Hirokazu Yasuhara
From Sega Retro
His works:
- Sonic the Hedgehog (1991) - Game Planner ("Carol Yas")
- Sonic the Hedgehog 2 (1992) - Game Planner, Object Placement
- Sonic the Hedgehog 3 (1994) - Director, Lead Game designer
- Sonic & Knuckles (1994) - Director, Lead Game designer
- Sonic 3D Blast (Sonic 3D: Flickies' Island) (1995) - Playfield Design, Saturn Enhancements
- Sonic R (1997) - Map Design Director