Tom Challenger is a saxophonist, improviser and composer based in London. Having curated and composed for a variety of ensembles over the years, his current work explores improvisation in various guises, alongside developing composed works for various lineups. He has collaborated with the likes of Evan Parker, Charles Hayward, Ed Bennett, Byron Wallen, Kit Downes and Alex Hawkins, in addition to leading his own ensembles, such as Brass Mask. Recordings of improvised and written works are available on his label Sche-ima Recordings.