Mark Einhorn’s PhD Mark Einhorn, former SUnORE member, received his Doctorate in Operations Research from Stellenbosch University last This content is restricted to site members. If you are an existing user, please log in. New users may register below.Existing Users Log InUsername or EmailPassword Remember Me Forgot password? Click here to resetNew User RegistrationChoose a Username*First Name*Last Name*Email*Input the code:*Required field