Translation of "Koichi" in Japanese

"I've heard about it, Koichi" "You don't need to say anything more, I know. It's the summer festival incident at the shrine, right?"

「聞いたよ、光一」「まあ皆までいうなって。分かってる。神社の夏祭りの一件でしょ？」

We are writing to inform you that Mr Koichi Ohara has been appointed as Manager of the Technical Department in succession to Mr Taro Iida.

飯田太郎の後任として、大原孝一が技術部長として着任したことをお知らせいたします。