Harold Guthrie, denizen of the digital world, is the DRB Systems numbers guy. A graduate of the University of Akron with a degree in mathematics, Harold toiled for IBM before he came to our company in 1994. A consummate numbers guy, he has conducted numerous engineering studies on a wide variety of SiteWatch products. When it comes to figuring out the meaning of figures, Harold is clearly our number one choice. He can be reached at 800-336-6338.