5, and 17 EFTA 00261324 EFTA01339952 Aetna - Wikipedia hupsfien.wikipedia.ors/wikithetna • 2007 - Aetna chief medical officer Troy Brennan told the Aetna Investor Conference that. The (U. S.) healthcare system is not timely. " He cited "recent statistics from the Institution of Healthcare Improvement... that people are