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NSTXL CEO Tim Greeff Transitions to President, Unveils Key Leadership Changes
Tim Greeff / National Security Technology Accelerator

NSTXL CEO Tim Greeff Transitions to President, Unveils Key Leadership Changes

Tim Greeff, CEO and founder of the National Security Technology Accelerator, is transitioning to president in a move to revamp and expand NSTXL’s leadership team.

Mark McIntosh, formerly chief operating officer at NSTXL, will assume the CEO role at the Los Angeles, California-headquartered government technology provider, Greeff announced in a blog post published Thursday.

“As CEO, Mark is committed to fostering innovation through strategic investments, with a primary focus on growing our market offerings, acquiring and developing top talent and expanding our executive team,” Greeff said.

The NSTXL’s executive team now includes Iain Skeete as senior strategic adviser to CEO and Shelley Tweed as chief marketing officer.

The company will also create a new chief program officer position tasked with overseeing program management to help customers achieve mission goals and objectives.

Greeff will continue to serve on NSTXL’s board of directors.

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