Mat Welsh is a multi-talented musician, designer, and creative visionary from Sheffield, England, best known as the rhythm guitarist and founding member of the critically acclaimed metalcore band While She Sleeps. Beyond his powerful guitar work and songwriting contributions, Mat plays a vital role behind the scenes as the band’s manager and a driving force in their visual and production identity.
Since forming While She Sleeps in 2006, Mat has been instrumental in shaping the band’s sound and ethos. Renowned for blending aggressive metalcore with melodic and politically charged anthems, the band has carved out a unique place in the UK heavy music scene, earning Kerrang! and Metal Hammer awards along the way. Mat’s songwriting credits span across all of the band’s records, from their breakout The North Stands for Nothing EP to fan-favorite albums like This Is the Six, You Are We, and Sleeps Society.
Outside of music, Mat is also a skilled graphic designer and production designer. His creative input extends to album artwork, merchandise, stage setups, and the band’s overall visual branding, making him a rare example of an artist deeply involved in every aspect of their craft. His design style often merges gritty DIY aesthetics with modern, striking visuals—mirroring the band’s independent ethos.
As a band manager, Mat has helped steer While She Sleeps through the highs and lows of the music industry, including a major shift toward self-releasing music and building a direct-to-fan platform through the Sleeps Society, a fan-funded initiative that redefined the band’s relationship with their audience.
Whether on stage delivering ferocious live performances, behind the scenes managing strategy, or designing the visuals that define While She Sleeps’ identity, Mat Welsh continues to push creative boundaries and exemplify what it means to be a modern artist in control of their vision.