Hirohide Hamashima (浜島 裕英, Hirohide Hamashima; born 1952 in Tokyo), also known as Hammy, is the former director of the Scuderia Ferrari F1 Team Tyre Development. He previously worked for Bridgestone as the director of its Motorsport Tyre Development until 2011.
Source: “Hirohide Hamashima”, English Wikipedia (CC BY-SA 4.0), excerpt