Olli Herman (born Olli Herman Kosunen on May 19, 1983, in Kuopio, Finland) is a Finnish singer best known as the lead vocalist of Reckless Love. He is recognized for his energetic stage presence and strong influence from 1980s glam metal.
He began his music career in the early 2000s with Reckless Love, helping shape their signature glam metal sound. In 2007, he joined the Swedish band Crashdïet, replacing the late singer Dave Lepard. During his time with the band, he recorded the album The Unattractive Revolution and toured internationally.
In 2008, Olli Herman left Crashdïet to focus again on Reckless Love, where he achieved greater success. With the band, he released several albums, including Reckless Love (2010), Animal Attraction (2011), Spirit (2013), InVader (2016), and Turborider (2022). These releases helped establish the band as one of the leading acts in the modern glam metal revival.
In addition to his main work, he has participated in side projects such as The Local Band and has collaborated with other Finnish artists. In his personal life, he married Noora Niemelä in 2012; the couple divorced in 2017. He became a father in 2022.