1986年神奈川県産まれ。 2008年にアルバム「True BIues」でデビュー。 数枚のシングル、EP、アナログの発売を経て2nd.アルバム「SAME SAME BUT DIFFERENT」の発売を機に独立。 インディペンデントレーベル「forte」を立ち上げる。 そのレーベル名を冠した3rd.アルバム「forte」がスマッシュヒット。 その後一時の活動休止などを経たが、復帰後もコンスタントに作品を発表。 特に7th.アルバムにして初のセルフタイトルアルバム「HAIIRO DE ROSSI」以降、盟友でもありプロデューサー兼DJのPigeondustや、数多くの腕利きのアーティストのサポートもあり、HAIIRO DE ROSSI自身のバックグラウンドであるJAZZ、そしてコンシャスラップと呼ばれるそのラップに磨きをかけ、JAZZ RAPと CONSCIOUS RAPの代表的な存在となっている。 Born in 1986 in Kanagawa Prefecture. Debuted in 2008 with the album "True BIues". After releasing several singles, EPs, and analogs, he became independent with the release of his 2nd. album "SAME SAME BUT DIFFERENT". He launched the independent label "forte". Their third album "forte", bearing the label's name, was a smash hit. After a temporary hiatus, he returned to the music scene and continued to release albums consistently. Especially since his 7th album "HAIIRO DE ROSSI," his first self-titled album, he has been supported by his friend, producer and DJ Pigeondust, as well as many talented artists, and has been releasing music with his own background of JAZZ, He has also been supporting his friend, producer and DJ Pigeondust, as well as many talented artists, and has refined his rap music, called conscious rap, and has become a representative of Jazz Rap and Conscious Rap.