He attended the Amusement Media Academy and the Japan Narration Actors Institute. He worked as a part-time assistant and experienced three years of custody, recruitingregistration and six years of laying down. In 2010, Maeno won the New Actor Award at the 4th Seiyu Awards.
Personal life
In 2020, Maeno announced that he had married voice actressMikako Komatsu. On 17 August 2022, they announced that Komatsu was pregnant with their first child. On 15 January 2023, they welcomed their first child. On 18 September 2024, the couple announced that they are expecting their second child and that Komatsu is due around winter next year. On 14 February 2025, they welcomed their second child.