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Management 

Peter Levine, SVP and GM, Virtualization and Management Division

Peter Levine has over twenty years experience in the software industry, having held both venture capital and operating positions in engineering, marketing, sales, and executive management.

Peter was President and CEO of XenSource. Prior to that, he was a Managing Director at the Mayfield Fund, where he spent three years investing in a variety of software companies. His notable investments include Mendocino Software, Centrify, Zenprise, TrueDemand, OuterBay (recently acquired by HP), and Actona (acquired by Cisco).

Before joining Mayfield, Peter was an early employee of VERITAS Software and during his eleven year tenure with the company, helped to grow the organization from no revenue to over $1.5B and twenty employees to over 6,000. When he left VERITAS in 2001, Peter served as the Executive Vice President for Strategic and Platform Operations. Peter had responsibility for world-wide marketing, OEM sales, business development (M&A, Venture fund), and several new product and platform development groups. Prior to VERITAS, Peter was a software engineer at MIT’s Project Athena, where he worked on a variety of distributed computing projects. Peter holds a BS degree in engineering from Boston University and attended the Sloan School of Management at MIT.

Ian Pratt, VP, Advanced Products and Chairman, Xen.org

Ian Pratt is the leader and chief architect of the Xen project, which he founded in 2001 with the aim of making virtualization ubiquitous on scale-out hardware, and was a founder of XenSource. Ian has played a key role in both the architecture of Xen and formation of industry partnerships that led to the emergence of Xen as the open source virtualization technology. Ian is a member of Senior faculty at the Computer Laboratory of Cambridge University, UK, where he has led Systems Research for 7 years. He holds a PhD in Computer Science, and was elected a Fellow of Kings College in 1996. Ian was a founder of Nemesys Research, acquired by FORE Systems, and has consulted widely in the technology industry.

Simon Crosby, CTO, Virtualization and Management Division

Simon Crosby was founder and CTO of XenSource prior to the acquisition of XenSource by Citrix. Previously, Simon was a principal engineer at Intel where he led strategic research in distributed autonomic computing, platform security and trust. He was the founder of CPlane Inc., a network optimization software vendor, where he held a variety of executive roles. Prior to CPlane, Simon was a tenured faculty member at the University of Cambridge, UK, where he led research on network performance and control, and multimedia operating systems. He is author of over 35 research papers and patents on a number of datacenter and networking topics including security, network and server virtualization, resource optimization and performance. In 2007, Simon was awarded a coveted spot as one of InfoWorld’s Top 25 CTOs.

Frank Artale, VP, Business Development

Frank Artale was VP, Business Development and Strategic Operations at XenSource. He joined XenSource from Accel Partners, where he was most recently a member of the venture development team and worked as an advisor to such companies as Mendocino Software and Centrify Software. Prior to Accel, Artale was a founder and CEO of Consera Software, a management software company, which was acquired by HP in 2004. Before founding Consera, Artale was vice president of the Windows Solutions Group for VERITAS Software, where he oversaw overall product strategy of the Windows targeted solutions. Prior to this position, he was a general manager in the Windows 2000 group at Microsoft Corporation, one of the many and varied product management and sales positions he held during his nine-year career with the company.

John Bara, VP, Business Operations, Chief of Staff, Virtualization and Management Division

John Bara was VP, Marketing at XenSource. He joined XenSource from Interwoven, where he served as SVP Marketing. Previously, he was VP Marketing at Genesys Telecommunications Labs, Inc. At Intel, he was a management team member for the Pentium group, financial controller for the microprocessor group, and held responsibility for large OEM customers including HP. A former banking executive with the Bank of Boston, and Citibank Tokyo, John holds an MBA degree from Harvard Business School, and a BA from Oberlin College.

Earl Charles, VP, Finance, Virtualization and Management Division

Earl Charles was CFO of XenSource. Prior to joining XenSource, Earl was senior vice president and CFO at Cupertino Electric, Inc., where he developed programs to manage risk and decrease operating costs. Previously, he was CFO of mycfo.com, and the COO and CFO of Youth Sports Network. Earl has also held CFO positions with Prism Solutions, Inc., R2 Technology, Inc., and Strategic Mapping, Inc. Earl was previously a partner and 20 year veteran at Deloitte & Touche LLP. He holds a BBA from the University of Notre Dame.

John Glendenning, VP, EMEA Server Virtualization Sales

John was VP, EMEA Sales at XenSource. John joined XenSource from Platform Computing where he headed sales for Northern Europe and the European channel. He has also held a number of sales leadership roles at Citrix Systems within Europe, North America and Asia as well as at Compaq Computer. John's enterprise systems and software sales management experience has always included a highly leveraged channel and industry partner model and this is a philosophy being driven through XenSource's entire sales processes and field operations.

Gordon Mangione, GVP, XenServer Product Group

Gord was SVP, Product Operations at XenSource. He came to XenSource from Ignition Partners, a Seattle-based venture capital firm where he was an executive in residence. Prior to Ignition, he served as corporate vice president of the Security Business and Technology Unit (SBTU) at Microsoft Corporation. He also served at Microsoft as corporate vice president of both the SQL Server Team and the Exchange team, and as a product unit manager in the Internet Services business and the development manager for SNA Server, one of the first servers developed for the Microsoft Windows NT operating system. Gord joined Microsoft in 1991 after working as a developer at Bell Northern Research, where he focused on PC/telephony integration. He has an engineering degree from the University of Waterloo in Ontario, Canada.

Rafael Santini, VP, OEM Sales

Rafael led Americas sales at XenSource. With over 18 years in technology sales for both early stage startups and large technology ISV’s, Rafael brings an in depth understanding of how to identify a solutions primary value proposition and build a scalable repeatable sales process and team to meet the companies goals. Prior to joining XenSource, Rafael spent 8 years at Marimba, most recently as the VP of Americas Sales. His leadership and sales contributions help ensure a successful company IPO in 1999 and eventual acquisition by BMC in 2004. Prior to Marimba Rafael held a number of sales leadership roles at Compuware Corporation, Ecosystems, Demax Software and The Wollongong group, covering core technology sectors such as Networking, Systems Management and Security.