Board
John Nicholson
Chairman and CEO
John Nicholson has a track record in advising emerging and high-growth technology businesses as a non executive director and chairman over the last 10 years, underpinned by more than 25 years international experience at a senior level in the information technology industry including serving as a Vice President of Compaq Computer Corporation and before that as a Vice President of Digital Equipment Corporation. He has experience of living and working in various parts of the world, including the USA, Europe and the Pacific region.
Mark Christensen
Non-Executive Director
Mark has served as a Director of Gigle from March 2007. From 1982 to 2005, Mark was employed at Intel Corporation in a variety of engineering, management, director and vice president positions, including Corporate Vice President and Director of Communications Sectors for Intel Capital. In that position, Mark was responsible for managing Intel Capital's investments in mobile devices and communications infrastructure. In 2005, Mark founded Global Capital Management, LLC, a consulting company for technology startup companies. Mark holds a B.S. in Industrial Engineering from Oregon State University and an MBA from the University of Oregon.
Peter Hayden
Non-Executive Director
Hayden co-founded EqualLogic in 2001 and was the primary architect of EqualLogic's system which uniquely solved the customer problem. He served as the company first CEO and held various other roles including EVP Business Development and EVP Operations. He was with the company until its acquisition by Dell in 2008. Previously, Hayden was with Adaptec and held several engineering and management positions at Bell Labs and Digital Equipment Corporation.
Stuart Paterson
Director
Stuart Paterson is a Partner at SEP and focuses on communications and semiconductor technology. SEP is one of the leading VC groups in Europe, with over $500 million under management.
Stuart has led many successful A round start-ups as well as a number of late stage deals over the last decade. Recent investments include the WiMax and 3G chip company picoChip; wireless distributed antenna systems business Zinwave; Skyscanner, the online flight bookings company and Radioscape, which specialises in digital broadcast technology.
His successes include a number of flotations on the London Stock Exchange including IndigoVision, Orbital Software and CSR which is now worth over $2 billion, as well as trade exits to Cisco, Agilent and Rolls Royce.
Alex Brabers
Director
Alex Brabers is Executive Vice President of GIMV, responsible for all IT venture capital investments. Through his experience of over 15 years in venture capital, Alex brings to GIMV a rich experience in private equity. Alex exited several companies through either trade sales or IPO's and holds board positions in Telenet, Inside Contactless, L&C, Aventiv, Virtensys and Oree. Previous mandates: Option International, Barconet, Telos, Emme and Mobistar. Prior to joining GIMV in 1990, Alex worked in the banking industry, first as trader in international money market instruments, later in the strategic planning department.
Alex holds a Master in Economics from the University of Louvain.
Tom Valis
Director
Dr. Tomas Valis joined Celtic House in 1996. Tom is based in the Toronto. Following an initial career in both academic research and Industrial R&D, he switched to the world of finance becoming an analyst in the technology capital markets. Tom holds a Ph.D. in Aerospace Engineering from the University of Toronto and was a post-doctoral researcher at the Massachusetts Institute of Technology.
Tom is a domain expert in telecom and networking with a focus on product strategy. As a financial analyst, he worked extensively with Positron Fiber Systems and led its successful private placement in 1996. On joining Celtic-House, Tom co-architected the Optera Metro Optical Networking product line at Cambrian Systems (acquired by Nortel) and was co-author of the foundational IP.
He continues to pursue fundamental technology investments. Tom's current investment focus includes Cloud Computing, Semantic Databases, and Virtualization.
Tom has served on over 20 private company boards. He was the lead partner on five major Celtic House exits: PixStream (acquired by Cisco Systems), Cambrian Systems (acquired by Nortel Networks), SkyStone Systems (acquired by Cisco Systems), NorthChurch Communications (acquired by Newbridge Networks), and Extreme Packet Devices (acquired by PMC-Sierra). Tom currently serves as a board member of four Celtic House companies.
Marek Piekarski
CTO
Before founding Virtensys in December 2005, Marek was a Product Architect of the Integrated Systems group in Xyratex Technology Ltd. In this role he was responsible for identifying applications and developments of the switching technology Xyratex acquired from Power X Networks. Marek was also the technical lead on the SIVSS consortium project developing novel storage and interconnect solutions for video server applications.

