Mr. Frank Willemsen serves as Investor at Sand Hill Angels. He has over 20 years of experience in the high technology industry, in Sales and Business Development, executive leadership positions. Previously, he worked in various positions at Cisco in Europe, the US, and Asia. Prior to Cisco, he worked for KPN, EDS, and Sprint International. He graduated in Business and Commercial Economics from the HEAO Business School in Enschede, the Netherlands. At EDS, he also completed and graduated from the System Engineering (SED) and Telecoms Professional (TPD) Programs. At Cisco, he completed and graduated from the DIP program (Mini MBA program incorporation with British Telecom).