Happy Friday, everyone. It’s finance editor, Jeff John Roberts, stepping in for Allie. I’m curious what Term Sheet readers—many of you from the startup and VC world—think of the following: a company on the cusp of an IPO taps one of its earliest venture capitalists to step in as top executive and get it across the finish line. This isn’t just a hypothetical. In August, I joined Tribe Capital co-founder Arjun Sethi at his home in Menlo Park to hear about his latest gig—running Kraken, the respected cryptoc ...