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SGI's management team is comprised of industry veterans with expertise in server hardware and software, visualization, data center operations, professional services and contract manufacturing.


		Mark Barrenechea President & Chief Executive Officer [+] Full Bio Mark Barrenechea joined the Rackable Systems Board of Directors in 2006 and served as Rackable's President and CEO. In that role, he led the acquisition of Silicon Graphics, Inc. and was appointed President & CEO of SGI in May 2009. Mark brings more than 20 years of executive management and leadership experience in the high tech industry during which he successfully grew businesses from medium to large scale organizations. Previously, he served as Executive Vice President and CTO for Computer Associates (NYSE:CA). Prior to CA, he served as Senior Vice President of Applications Development at Oracle (NASDAQ:ORCL) and part of the executive management committee, managing a multi-thousand person global team and helping deliver the landmark release 11i of Oracle Applications. Earlier, he served as Vice President of Development at Scopus, which was subsequently sold to Siebel Systems. Previously, he was responsible for reshaping Tesseract's line of human capital management software as Vice President of Development which was acquired by Ceridian, and used as their platform for shared services. Mark holds a Bachelor of Science degree in computer science from Saint Michael's College in Vermont.

		Tony Carrozza Senior Vice President of Worldwide Sales [+] Full Bio Tony brings more than 30 years of high technology sales and management experience to SGI, and is responsible for worldwide sales efforts for the company's broad line of products and services. Tony was Senior Vice President of Worldwide Sales for Quantum Corporation where he managed a 200 person sales and support organization that generated more than $800 million in revenues. While at Quantum Tony also served as VP of Worldwide Sales for the DLT Group and VP of Sales Strategy and Business Planning. He has also held management positions at Neterion Inc. and Iomega Corporation, and holds a B.A. from Iona College.

		Rick Chapek Senior Vice President of Hardware Engineering [+] Full Bio As Senior Vice President of Hardware Engineering, Rick is responsible for key engineering deliverables across the SGI product family including high-performance computing, servers, storage, data center, and containerized/modular computing solutions. This includes hardware and software development for SGI's comprehensive high performance storage and data management products, power, and rack infrastructure for the complete line of server and data center offerings. Since joining SGI in 1996, Rick has held a variety of positions in the manufacturing and engineering organizations where he was responsible for various hardware engineering support services including product design, diagnostic development, and manufacturing engineering. Prior to joining SGI, Rick was with Cray Research where he also held numerous technical leadership roles. He holds a BSEET from DeVry Institute of Technology in Kansas City, Missouri and an MBA from Cardinal Stritch University in Milwaukee, Wisconsin.

		Eng Lim Goh, Ph.D. Senior Vice President & Chief Technology Officer [+] Full Bio Dr. Eng Lim Goh joined SGI in 1989, becoming a chief engineer in 1998 and chief technology officer in 2001. He oversees Project Ultraviolet; with the goal to develop the next generation computer architecture for the new many-core era. Correspondingly, he also works on solutions to massively parallel rendering. Between these two efforts, he has been granted four U.S. patents. In 2005, the IDG publication, InfoWorld, named Dr. Goh one of World's 25 most influential CTOs. That same year, he was also included in the HPCwire list of "15 People to Watch." In 2007, he was named "Champions 2.0" of the industry by BioIT World magazine, and received the HPC Community Recognition Award from HPCwire. Before joining SGI, Dr. Goh worked for Intergraph Systems, Schlumberger Wireline and Shell Research. A Shell Cambridge University Scholar, he completed his Ph.D. research and dissertation on parallel architectures and computer graphics. He also holds a first-class honors degree in mechanical engineering from Birmingham University, U.K.

		Dick Harkness Senior Vice President of Manufacturing [+] Full Bio As Senior Vice President of Manufacturing, Dick leads SGI's worldwide supply chain and manufacturing functions, from the company's manufacturing facilities in Chippewa Falls, Wisconsin. Since joining SGI in 1991, Dick has held a variety of progressive responsibilities in materials and operations management. Prior to joining SGI, Dick had several positions in manufacturing and supply chain management with Unisys and Convergent Technologies. Dick received his B.S. in Business Management from San Jose State University.

		Maurice Leibenstern Senior Vice President, General Counsel & Corporate Secretary [+] Full Bio Maurice brings more than 20 years of high tech legal experience to SGI. Most recently, he was Chief Legal Counsel for Worldwide Sales at CA (formerly Computer Associates, NYSE: CA) while serving as an SVP and member of the company’s Senior Leadership Team. Maurice’s service at CA spanned 10 years, where he held key roles in the Intellectual Property and Products & Sales practices. He was responsible for rebuilding CA’s legal department while streamlining their direct and indirect licensing practices for the Americas . He also served as Lead Counsel for CA and its Board of Directors during the company’s government investigation in 2003 and 2004. Prior to CA, Maurice worked at IBM, providing strategic legal support for IBM’s eCommerce, PSP computing and Advanced Workstation divisions. He holds a J.D. from New York University School of Law.

		Dominic Martinelli Chief Information Officer [+] Full Bio As Chief Information Officer, Dominic has global responsibility for IT Applications and Operations at SGI. With 15 years of IT experience in fast-paced high tech environments, he has developed technical knowledge in areas of servers, storage, networking, and enterprise applications. Prior to joining the company, Dominic worked at Juniper Networks where he held global responsibility for all networks, servers, and storage infrastructures. Dominic holds a BA from UC Santa Cruz.

		Tim Pebworth Vice President and Chief Accounting Officer [+] Full Bio As Chief Accounting Officer, Tim oversees worldwide accounting, treasury and order administration at SGI. He ensures the Americas, Asia Pacific and European finance organizations provide value added services to the operations while delivering necessary SEC and local reporting. Prior to joining SGI, Tim worked as Corporate Controller and later as Chief Financial Officer of 24/7 Customer, Inc., a leading business process outsourcer. Previous to 24/7 Customer, Tim worked at Intel Corporation in various corporate and operational finance management roles in Corporate Financial Planning, the Technology Manufacturing Group, the Itanium Processor Division, and the Intel Inside® Program. Tim received his M.B.A. from the Peter F. Drucker Graduate School of Management and his B.A. from Ambassador College in Pasadena, California. He is a Certified Public Accountant and Certified Management Accountant.

		Jennifer Pratt Senior Vice President of Human Resources [+] Full Bio Jennifer has worldwide responsibility for all Human Resources activities including compensation, benefits, stock administration, recruitment and facilities, and serves as a liaison with Legal. Jennifer has over 20 years HR experience and brings strategic expertise to all aspects of HR management, including partnering with the executive team on the design and implementation of strategic change. Prior to joining SGI, Jennifer held senior management positions in a variety of industries including technology, manufacturing and healthcare. Jennifer holds a B.S in Business Administration from Morningside College, Sioux City, Iowa.

		Rick Rinehart Senior Vice President of Services [+] Full Bio As Senior Vice President of Services, Rick manages the worldwide services organization, overseeing customer support, professional services, field service, spares and warranty management, and remedial maintenance services. Rick comes to SGI from Sun Microsystems (now Oracle) where, as vice president of global customer services, he managed a 1,200-person service delivery team that supported over $1.4B in services revenue. Prior to Sun, he was at StorageTek where he led the federal government services sales and delivery functions with overall responsibility for support and professional services. Rick held sales and services leadership positions at NCR Government Systems and served in the US Army for 10 years. He holds a BS in Information Systems from the University of Maryland and an MS in Business Administration from Central Michigan University.

		George Skaff Chief Marketing Officer [+] Full Bio As Chief Marketing Officer, George is responsible for worldwide inbound and outbound marketing functions at SGI. In that role, he oversees all product management, product marketing, corporate marketing, demand generation, partner marketing, telemarketing and public relations. George has 25 years of progressive experience in the computer industry, and has demonstrated a proven business expertise in general management, marketing, sales, operations and strategic partnerships for various size companies in high technology and services areas, in both the domestic and international markets. Prior to joining SGI, George held vice president of marketing positions at Wyse Technology, NEC Computers and DocuMagix. He served as president and general manager of Avatar Peripherals and spent several years at Logitech in a variety of marketing roles. George holds a B.S. degree in electrical engineering and MBA from the American University of Beirut.

		Christian Tanasescu Vice President of Software Engineering [+] Full Bio As Vice President of Software Engineering, Christian is responsible for system software and middleware development, ISV relationships and application benchmarking. Since joining SGI in 1992, Christian has held a number of management positions in HPC system engineering, strategic partner management, performance modeling and application enablement. He initiated theTop20Auto study to analyze development of HPC platforms and applications in the automotive industry. Prior to SGI, Christian worked at Fujitsu-Siemens in compiler development and served on the Fortran 90 standardization committee. Earlier, he held an engineering position at Tecan AG, where he developed a real-time multitasking simulator. Christian holds a master�s degree in Computer Science from Polytechnic University of Bucharest.

		Jim Wheat Senior Vice President & Chief Financial Officer [+] Full Bio Jim has a long history of executive and financial leadership within prominent public and private technology organizations. Prior to joining SGI, Wheat served as Vice President and Corporate Controller at Lam Research. Jim also held senior financial management positions within a number of public technology companies, including the role of acting principal financial officer at Asyst Technology, senior director of finance at Sybase Inc., and vice president and corporate controller at Sunterra Corporation. In addition, Jim held senior finance positions at TeleVideo, Raychem Corporation, Core-Mark International, Spectra-Physics and Honeywell. Jim earned his MBA at The Wharton School of the University of Pennsylvania and his BBA at the University of Michigan.