Douglas Monsour, CEO. Mike Zabaneh, COO. Doug Monsour and Mike Zabaneh co-founded Tangent in 1989. Pioneers in medical grade and industrial grade computers, Tangent was first in class to develop industry-specific computers. Tangent is now a global leader in computers, devices and software solutions. Medical monitors, medical PCs, industrial computers, panel PC, tablet PCs, software license management, DMARC solution for DMARC monitoring- are some company products.