Prominent technology-industry leaders and venture capitalists gathered in the White House’s state dining room last month to discuss tech policy with President Donald Trump in an event that Jared Kushner, the president’s son-in-law and senior adviser, helped organize.

Seated at the rectangular table alongside the corporate luminaries, university presidents and senior White House officials was a less-prominent figure: Zachary Bookman, the 37-year-old CEO of a small startup called OpenGov.

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