Co-Founder and CEO of Big Switch Networks. Raised $45m in angel and venture funding over three rounds. Investors include Khosla Ventures, Index Ventures and Redpoint Ventures. Hired senior executive team and grew company to 75 employees.

Co-founder and CTO at Voltage Security. Founded the company together with Dan Boneh, Rishi Kacker and Matt Pauker in 2002. Raised initial round of funding and recruited the early team. As CTO helped grow the company to over 1,000 Enterprise Customers and profitability.

Advisor/Board Member of several start-ups including Abusix and Flutter. Part time EIR at Morgenthaler Ventures (now Canvas) 2008-2010. Principal Associate at Kappa IT Ventures, a Munich based early-stage technology fund 2000-2001.

Other Experience

Assistant Consulting Professor and head of the Clean Slate Lab at Stanford University from 5/2008 to 3/2010. Head of the Clean Slate Lab primarily working on the OpenFlow Standard. Also co-taught CS244, the graduate level class on computer networks.
McKinsey & Company, Summer Associate in 1999.
Technology Analyst at Daimler-Benz, Tokyo, Japan. Summer 1997.


Ph.D. in Computer Science from Stanford University in 2005. Thesis work on router buffer sizing. My advisor was Prof. Nick McKeown. Teaching experience in algorithms, networking and marketing.
May '96 to August '97 visiting research associate at the  Institute of Industrial Science  of the University of Tokyo in the group of Prof. Hideki Hashimoto. Work on computer vision, perceptual intelligence and man-machine interaction.
November '94 to August '95 visiting student at the LIFIA in the PRIMA group at the IMAG (which has since split), Grenoble with James L. Crowley. Work on Masters Thesis on feature based vision for robots.
Diplom (Master) in physics at the University of Karlsruhe in '96. Master's Thesis was done at the IPR advised by Prof. R. Dillmann.

Awards & Honors

Named to "100 Most Intriguing Entrepreneurs" by Goldman Sachs in 2014.
SDN Innovation Award 2013. Awarded by IT Brand Pulse
Best Demo SIGCOMM 2009 for "Carving Research Slices Out of Your Production Networks with OpenFlow".
Best Demo SIGCOMM 2008 for "A Demonstration of Virtual Machine Mobility in an OpenFlow network".
Named a Technology Pioneer by the World Economic Forum in 2006
Named Top 100 Young Innovator by MIT Technology Review in 2004
(the TR100 has since been renamed TR35)
Grand Prize Stanford Entrepreneurship Competition (e-Challenge) 2002
and "Best Innovation" at the Global e-Challenge, Singapore, 2002
Alumni of the Studienstiftung des Deutschen Volkes
Erster Preis (firzt prize) Bundeswettbewerb Mathematik 1987


Publications, Talks, Conferences


German (native), English (near native), French (conversational), Japanese (conversational) and Spanish (very basic).


Flying. Currently training for Private Pilot License.
Sailing. US Sailing bareboat certified. Member of Club Nautique.
Casual running, occasional trail run or half/full marathon.
Diving. PADI OWD, Nitrox Certified.
Trekking (Kilimanjaro, Roraima, Whittney), Alpinism and Skiing.

A short speaker biography can be found here.