Haven worked best as an incubator of ideas, a place to pilot, test and learn—and a way to share best practices across our companies. Our learnings have been invaluable.

JPMorgan Chase chief executive officer Jamie Dimon, writing in a memo to employees this week after the bank and its two partners—Amazon and Berkshire Hathaway—decided to pull the plug on their unique health care startup venture Haven, as reported by Bloomberg via the Pittsburgh Post-Gazette in the story, “Haven, Joint Amazon-Berkshire-JPMorgan Health Venture, to Shut Next Month.”