Palantir Technologies Inc. said it’s moved its headquarters to Miami from Denver at a time when tech firms are headed to South Florida as local officials promote the region as an alternative to California’s Silicon Valley.

Adriana Cisneros, head of one of the Venezuelan business community’s most powerful families, is leading efforts to raise $1 billion for a private equity fund to invest in the crisis-ravaged nation as it seeks to rebuild, according to people familiar with the matter.