RGB Management Team
Co-founded by an experienced trio of digital television pioneers, RGB Networks is led by a team of recognized technology and business leaders with a proven track record of success. These innovators are driving a talented team of digital video experts, once again transforming the delivery of video services with advanced technology for the personalized video era.
| Jef Graham | Chairman & CEO |
| Yuval Fisher | Chief Technology Officer |
| Charles Corbalis | Vice President, Engineering |
| Lou Mastrocola | Vice President, Americas Sales |
| Ramin Farassat | Vice President, Product Marketing & Business Development |
| Bill Jamaca | Vice President, Operations & Customer Services |
| Rudi Polednik | Sr. Director, International Sales |
| Thomas H. Schaeffer | Vice President, Human Resources |
Jef Graham, Chairman & CEO
Graham brings over 30 years of global experience in the computer and networking hardware, software, and service industries to his role as Chairman and CEO of RGB Networks. Graham has previously held positions of CEO, executive vice president and general manager in Fortune 500 companies and private start-ups. Graham has a proven track record of driving successful global product development, marketing, sales and channel management efforts.
Prior to RGB, Graham was executive vice president of the Application Products Group (APG) at Juniper Networks, a division created through the acquisition of Redline Networks and Peribit Networks, a company focused on improving business efficiency by resolving the technical limitations of WANs. As chairman and CEO of Peribit, Graham successfully guided the company through a $337 million acquisition by Juniper in 2005.
Before joining Peribit, Graham held the post of senior vice president at 3Com overseeing operations of their Commercial and Consumer division. During his tenure at 3Com, Graham managed several key business units, including the systems, connectivity and consumer business units. Graham served on the executive committees at both 3Com and Juniper, reporting directly to the CEO.
From 1993 to 1995, Graham served as the CEO of Trident Systems, a document management systems integrator. Prior to Trident, Graham worked for Hewlett-Packard for fifteen years at several posts around the world, most recently serving as general manager of both a hardware and a software division. He began his career as an IBM systems engineer.
Graham currently serves on the board of directors for NETGEAR and holds a B.A. with honors in Business Studies from Sheffield Hallam University in the United Kingdom.
Yuval Fisher, Chief Technology Officer
As a recognized leader in IP video, Yuval Fisher brings more than 20 years experience in multimedia technology implementation to RGB Networks in his role as CTO. As one of the founders of Envivio, Fisher was responsible for conceiving, advocating and planning major research and development activities focused on mobile streaming, HTTP streaming technology, VOD encoding, and catch-up TV.
As a member of the Internet Streaming Media Alliance (ISMA), Fisher chaired multiple subgroups and was one of the lead editors of the MPEG-4 Systems specifications. He has also been a chair of the MPEG-4 Conformance Group and Advanced Text and 2D Graphics Group.
Prior to Envivio, he worked on several MPEG-4 implementations for participating MPEG-4 companies including Rockwell International, Conexant, and France Telecom.
Fisher holds a Ph.D. in Mathematics and a Master’s in Computer Science from Cornell University, and holds multiple patents in multimedia and image processing technologies.
Charles Corbalis, Vice President, Engineering
Charles Corbalis brings over 25 years of precedent-setting experience in carrier-class data communications to RGB Networks in his role as Vice President of Engineering. Corbalis is credited with the early development and delivery of multiple waves of high-performance, high-reliability switch and software platforms. His professional peers have dubbed him the “Father of Frame Relay,” and he is a pioneering architect of ATM switching.
Most recently, Corbalis was co-founder, President and CEO of Calient Networks, where he recruited and led a team of professionals in the development, marketing and sales of the world’s largest photonic switch fabric utilizing MEMS technology.
Prior to co-founding Calient, he was Vice President and General Manager of Cisco Systems’ Multiservice Switching / WAN Business Unit, which he built to $700 million in annual sales. He worked closely with the technical and marketing leadership within many service providers such as AT&T, WorldCom, NTT and Telecom Italia, to tailor and adapt the Cisco products for their specific frame relay and ATM service offerings.
Prior to its acquisition by Cisco, Corbalis was co-founder and Vice President of Engineering at StrataCom, Inc., where his architecture and implementation led to the industry’s first fast-packet, carrier-class switching platform and high-performance products such as the StrataCom IPX, BPX, AXIS and StrataView+. He holds over 16 patents in the areas of data communications systems, protocols and software, and received the 1996 Dvorak Award for his contributions to frame relay and fast-packet switching.
Corbalis earned his BSEE/CS from the University of California, Berkeley and his MSEE from Stanford University.
Lou Mastrocola, Vice President, Americas Sales
Mastrocola joined RGB Networks from Motorola Broadband Communications (formerly General Instrument Corp.), where, as senior director of product marketing, he was instrumental in deploying more than 2,000 digital systems around the world. Mastrocola also held a number of other senior sales and marketing positions at General Instrument, where he was responsible for major accounts and multi-million dollar product lines.
Before Motorola/General Instrument, Mastrocola served as Point-of-Sale Product Manager at Schlumberger Smart Cards and Systems, where he managed multiple product lines and worked with financial institutions and universities to develop smart card and point-of-sale (POS) technology solutions.
Prior to that, Mastrocola was a senior design engineer at Checkpoint Systems, where he managed the development of RF-based article surveillance security systems. Mastrocola has also held engineering positions at the Naval Air Development Center, RCA Corp. and PSG Industries.
Mastrocola holds a B.S.E.E. degree from Drexel University and an MBA from St. Joseph's University.
Ramin Farassat, Vice President, Product Marketing & Business DevelopmentLeveraging his 19 years of experience in the data, voice and video networking industries, Farassat is charged with strategically marketing RGB Networks’ line of video processing products to service providers domestically and abroad. He is an expert in the convergence of data and broadcast networks, video services, voice-over-IP (VoIP), broadband wireless, network management, and security technologies.
Farassat was most recently Director Product Marketing & Broadcast Technologies Architect at SkyStream Networks where he was responsible for changing the company’s market focus to take advantage of growing market segments worldwide, and successfully launching carrier-class video headend products for the telco and MSO markets. He also held management positions at Cisco Systems, NewBridge/Alcatel and Compaq Computers, where his responsibilities ranged from initial research and product definition to the launch of leading edge products.
Farassat earned a B.S. in Electrical Engineering with an emphasis on Data Communications from San Jose State University.
Bill Jamaca, Vice President, Operations & Customer Services
Bill Jamaca brings over 25 years of senior level experience in the networking, hardware, software, support and services sectors to his role at RGB Networks. As an expert in building and growing customer support and service organizations for both start-up and established companies, Jamaca is charged with building on the success of RGB’s customer support efforts as the company expands into new markets and grows its product line.
Jamaca comes to RGB Networks from Xsigo Systems, where, as Vice President of Support and Services, he was responsible for global customer support for Fortune 500 customers. Prior to Xsigo, Jamaca was Senior Director of Global Technical Support Operations for Extreme Networks, where he managed global customer support and successfully implemented an initial response center in India. Previously, Jamaca served as Vice President, Customer Services at Agile Software and CIO of the NetCare Professional Services Division of Lucent Technologies (formerly Ascend Communications).
Rudi Polednik, Sr. Director, International Sales
Polednik is a seasoned sales executive who has spent more than 20 years in the telecommunications industry, where he has focused primarily on digital video products. Before joining RGB, he spent seven years with Envivio – a provider of “three screens video” – in a variety of senior sales and marketing roles. In his time there, Polednik secured major deals with service providers worldwide, growing the company’s revenues more than five fold within four years. Before Envivio, he held senior sales positions with Tiernan Communications, Paradigm Communications, Comstream and British Telecom.
Polednik earned a B.S. degree in Electrical and Electronic Engineering from Imperial College London.
Thomas H. Schaeffer, Vice President, Human Resources
Tom has been in the high technology industry for over 25 years providing leadership responsibilities within the broad discipline of human resources. He has been a participant and strategist in four successful technology IPOs, including Juniper Networks, Megatest, Synopsys, and Daisy Systems. In addition to his broad experience in helping grow these businesses to IPO proportion and beyond, Tom has been instrumental in developing and driving corporate acquisition strategies including one of the largest technology acquisitions to date Cisco/StrataCom.
Tom is a recognized leader on human resources issues with published articles appearing in The Wall Street Journal, Upside Magazine, and Red Herring Magazine. He holds a B.A. in Business Administration from the University of San Francisco coupled with an M.S. in Organizational Development from Chapman University.
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