KO WIN // Sean Cohen is a multi-instrumentalist based near Philadelphia, Pennsylvania focused on writing music that fits into the lofi, chillhop, and ambient idioms.

The sounds of KO WIN have been featured on various Spotify editorial playlists (such as Jazz Vibes, Feel Good Beats, lofi chill, and Focus Flow) and have amassed a cumulative 20+ million streams since 2021.

Sean is a middle school band director in Doylestown, PA -- aiming to motivate young musicians to follow their own creative and collaborative paths. He had the distinct honor of being recognized as a quarterfinalist for the 2021 GRAMMY Music Educator Award. In 2025, Sean was inducted into the GRAMMY Recording Academy as a Professional Member.

Sean's previous arranging and performance can be heard on albums released by indie rock bands including: Seagulls (Great Pine, 2015 & Thrown Voice, 2019) and Bother None (Bother None, 2023). Since 2022, he has performed/toured in Anthony Green's (Circa Survive, Saosin, L.S. Dunes) backing band in support of his albums, Boom. Done. and So Long, Avalon.