Joshua co-founded Rho in 1981. Previously he was an investment banker at Salomon Brothers in New York. He received an MBA from the Harvard Business School and a B.S. degree from the Technion (Israel Institute of Technology). His current and recent board seats include: 3-D Pharmaceuticals, Genvec, Diversa, Human Genome Sciences, Sionex, Yantra, BC International, and WiNetworks.