PersonFounderEngineer
Kurt Ruppel
Kurt Ruppel is the Co-Founder and CTO of Middesk, the business identity platform that helps financial institutions, fintechs, and marketplaces verify and onboard businesses in seconds rather than weeks. A UC Berkeley cognitive science alumnus turned engineer, he built his technical chops at Zendesk and Checkr before co-founding Middesk with Kyle Mack in 2018. The company went through Y Combinator's Winter 2019 batch, secured a $4M seed led by Accel and Sequoia before Demo Day ended, and raised a $57M Series B in 2022—bringing total funding to over $77M. Ruppel leads Middesk's technical vision, focusing on primitives and forward concepts that transform raw business data into actionable intelligence for the financial ecosystem.
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