Callum Bramley is a seasoned professional with extensive experience in partnerships and business development across various sectors. Currently serving as the GTM Partnerships Lead at Attio since September 2025, Callum previously held key roles including SAAS Acquisitions Manager at Mollie and Senior Partnerships Acquisition Manager at Vita Mojo, where responsibilities included managing partner integrations in the UK. As the Founder of Garmentry, a pioneering menswear rental platform, and Respond Application, an early AI-based healthcare application, Callum has demonstrated entrepreneurial expertise. Additional experience includes roles at Streamoid and HS., focusing on revenue growth and startup incubation. Callum began the career at National Instruments after completing a BSc in Robotics at the University of Reading in 2017.
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