Weiss was vice president and general manager of Cisco's Security Technology Group, a position he assumed following Cisco's acquisition of email appliance provider IronPort Systems. Weiss co-founded IronPort Systems in 2001 with Scott Banister, with whom he had worked at Idealab. Over the next six years, IronPort Systems grew from two people into a company with 450 employees and a $200 million run rate.
