Matias Van Thienen is a Partner at Founders Fund who leads the firm's investments in non-U.S. markets, particularly fast-growing ecosystems like Brazil, and has built a concentrated portfolio around scaled fintech and financial infrastructure companies including Trade Republic, Jeeves, Klarna, and Pipe. His background at growth-focused firms Insight Partners and CapitalG, combined with his role in Founders Fund's shift toward larger, later-stage deals, positions him as a hands-on board partner for international founders scaling financial technology companies outside the U.S. Matias Van Thienen is a Partner at Founders Fund who leads the firm's investments in non-U.S. markets, particularly fast-growing ecosystems like Brazil, and has built a concentrated portfolio around scaled fintech and financial infrastructure companies including Trade Republic, Jeeves, Klarna, and Pipe. His background at growth-focused firms Insight Partners and CapitalG, combined with his role in Founders Fund's shift toward larger, later-stage deals, positions him as a hands-on board partner for international founders scaling financial technology companies outside the U.S.