Dr. Thomas Billeter is an Angel Investor. Dr. Billeter serves as Member of Advisory Board at Spicehaus Partners. He is Partner at Impact51. He is an entrepreneur, management consultant and business angel focusing on Telecoms, IT and Media businesses. His previous engagements include IBM, Ascom, McKinsey&Co, Allianz and Zattoo. He holds an MSc degree in Electrotechnical Engineering from the ETH in Zurich as well as a Ph.D. in economics from the University of Zurich.