Karim Atiyeh was born in Beirut, Lebanon. He studied electrical engineering and computer science at Harvard, finishing in 2007, and earned a master's in computer science in 2010. He worked at Oliver Wyman from 2011 to 2014.
In 2014 he founded Paribus with Eric Glyman and Gene Lee. Capital One acquired Paribus in 2016. In March 2019 the three started Ramp. It launched publicly in February 2020 with a Founders Fund-led Series A of about $15M.
Ramp raised $300M at $32B in November 2025. In June 2026 it raised $750M at a $44B valuation. That month Atiyeh became co-CEO with Glyman.
Ramp sells corporate cards, spend management, bill pay and AI finance agents from New York.