David Stewart oversees the management and continuous development of immixGroup's sales team, providing technology manufacturers with programs, resources and expertise to grow their government business. A successful sales and business development executive, Stewart has a proven track record for identifying and developing new strategic opportunities in information systems, communication and media and for managing complex system integration projects. His experience spans more than two decades in global sales, marketing, solution management, strategic alliances, contracts and managing global product development teams for corporations such as IBM and Unisys. He has a B.A. in finance from Virginia Tech.
Allan Rubin oversees North American public sector and commercial marketing for Arrow ECS, which acquired immixGroup in 2015. Since joining immixGroup in 2008, he has built and led a marketing and market intelligence organization responsible for identifying actionable sales opportunities, generating qualified leads and building awareness for immixGroup, its manufacturer clients and its channel partners in the public sector. Rubin has more than 25 years of experience in business-to-business and business-to-government marketing with a focus on brand marketing, demand generation, content development, digital marketing and sales support. Previous employers include AOL, ESI International, Kraft General Foods and Phillips Business Information. Rubin has a B.A. in government from Franklin and Marshall College.
As Division Counsel, Mr. Ellinport manages the legal and compliance functions and oversees all of immixGroup’s 40+ contract vehicle programs. He is responsible for reviewing the ongoing engagements with original equipment manufacturers, software publishers, cloud service providers and their partners. He has deep knowledge and experience in government contract vehicles, federal procurement regulations, IT licensing, cloud services, subcontract agreements, government relations and federal contract claims.
Mr. Ellinport has served in various business and legal roles during his ten years with immixGroup including Director of its GSA Schedule consulting practice and, most recently, as Deputy General Counsel. Prior to joining immixGroup, Mr. Ellinport held senior corporate counsel positions with companies including Qwest Communications Corp. (Century Link), Inktomi (Yahoo!), and Siebel Systems (Oracle). Mr. Ellinport received a BA in Political Science from Bates College, a JD from George Washington University, and is licensed to practice law in Washington, DC, Maryland and Florida.
Chris Wilkinson manages and grows immixGroup’s cybersecurity, big data and analytics, cloud computing, enterprise mobility, IT infrastructure and business and operations applications capabilities. He works with immixGroup’s technology vendors and channel partners to better align their products and go-to-market strategies to serve government customers. Wilkinson is also responsible for enhancing technical fluency among immixGroup’s employees and managing the company’s lead generation and new client acquisitions. Wilkinson led the growth of immixGroup’s cybersecurity technology category, expanding the company’s partnerships from 15 manufacturers to more than 90 in 6 years, making it one of the most comprehensive portfolios of cybersecurity software offerings available to government. He has a B.A. in business administration from the University of Pittsburgh.
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