Uploaded January 2026 | Updated September 2026, 1 day ago

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David Magerman, former partner at Renaissance Technologies, shares a painful realization: after decades of professional success, he discovered he had no real friends—and why that was his own doing.

In this clip from Invested with Michael Eisenberg, Magerman reflects on:

How fear-based leadership damages relationships

The hidden social cost of relentless ambition

Why professional success doesn’t equal personal connection

Lessons he learned too late about being human at work

Watch the full episode for an honest conversation about money, power, AI, and the cost of success.

David Magerman, Renaissance Technologies, leadership mistakes, loneliness and success, hedge fund culture, ambition, Michael Eisenberg, Invested podcast