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Fortune
Fortune
Lily Mae Lazarus

He sold his last company to Palantir. Now he's betting $32 million that robots can fix construction's labor crisis

Salar al Khafaji stands while Sebastiaan Visser sits on a stool in front of a robotics warehouse (Credit: Courtesy of Monumental)

Salar al Khafaji sold his last company, Silk, to Palantir in 2016. A week after he left, he knew he was going to build again. Al Khafaji landed on construction—an industry many in tech saw as a graveyard. “Most people told me it’s a really, really bad idea,” he told Fortune.

His Amsterdam-based construction robotics company, Monumental raised a $32 million Series B led by Khosla Ventures, Fortune learned exclusively. The round follows a $25 million round in February 2024 co-led by Plural and Hummingbird. The new capital will fund a U.S. launch this year, scale its European robot fleet, and expand the range of tasks its machines can handle.

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