- Bats Right, Throws Right
- Height 6' 0", Weight 180 lbs
- School Shibaura Kogyo University
- High School Kitagawa Kogyo High School
Haruki Ihara led the Seibu Lions to the Nippon Series in 2002 and the team to a second-place showing the following year before being fired. He became the manager of the Orix BlueWave for their final season.