Excella Appoints Tammy McChain as Vice President of National Security

Seasoned Federal Leader to Accelerate Innovation and Delivery Across National Security Market

Excella, a leading transformative technology firm, today announced the appointment of Tammy McChain as Vice President of National Security. In this role, McChain will lead Excella's National Security market, managing engagements and advancing innovation for clients. A member of Excella’s senior leadership team, she will be responsible for driving high-quality services and solutions to accelerate growth for the firm.

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Tammy McChain, Vice President of National Security at Excella

"Tammy brings an extensive record of managing complex accounts across the federal technology sector," said Sandy Gillespie, Chief Operating Officer at Excella. "Her expertise and leadership will be instrumental in helping Excella deliver innovative, mission-critical solutions to clients while growing our National Security market."

With increasing pressure on the federal government to modernize their technology infrastructure, agencies need partners who understand their unique challenges and needs. McChain will focus on ensuring delivery excellence across Excella's National Security accounts while bringing cutting-edge innovation to help agencies better serve and protect American citizens.

"For two decades, Excella has played a pivotal role in empowering federal agencies to modernize their technology. Joining the team at a moment when agencies are striving to streamline their operations is a tremendous opportunity to put my federal expertise to work," said McChain. "I've focused my career on delivering results that matter while fostering environments where teams can excel. I look forward to leveraging Excella's proven capabilities to address our clients' most critical challenges."

Prior to joining Excella, McChain served as Chief Delivery Officer at Brillient Corporation and held several executive leadership positions at NTT Data, including Senior Vice President and Chief Operating Officer of Federal Health and Civilian. At NTT Data, she led technology modernization efforts for multiple federal agencies, directly improving their operational capabilities and mission outcomes.

Excella leads agile and DevSecOps transformations, legacy IT system modernizations, and AI solution delivery across the government. To learn more about Excella's federal offerings, please visit: https://www.excella.com/markets/federal

About Excella

Excella is a transformative technology firm that helps organizations unlock new possibilities. Driven by our clients' missions, we deliver high-performing technology solutions through Modern Software Delivery, Artificial Intelligence and Analytics, and Organizational Transformation. Our exceptional teams partner with organizations to tackle their most critical challenges, creating solutions that power mission efficiency today and into tomorrow. Founded in 2002, Excella continues to help clients build robust technology foundations while strengthening their ability to meet tomorrow's challenges. A recognized industry leader, Excella has been named among Forbes' America's Top Management Consulting Firms and Washington Post's Top Places to Work. Learn more at www.excella.com.

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