Sierra Space Names Ex-Amazon, Nielsen CFO Warren Jenson to Board
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Louisville, Colo. – September 23, 2026 -- Sierra Space has appointed Warren Jenson to its board of directors, naming him chair of the audit committee as the defense-tech space company tightens financial governance ahead of what executives describe as a pivotal growth stage.
Jenson brings three decades of CFO experience across Amazon, Delta and NBC
Jenson has held senior financial leadership roles at Amazon, Electronic Arts, Delta Air Lines and NBC. He most recently served as president and CFO of Nielsen and previously held the same titles, plus executive managing director of international, at LiveRamp. He is currently chief financial officer of Polymarket.