source:[1] Humana taps Amazon's Aaron Martin to lead insurance unit as company veteran steps down - Fierce Healthcare (https://www.fiercehealthcare.com/payers/human ...)[2] Humana taps new insurance segment leader - Modern Healthcare (https://www.modernhealthcare.com/executive-mo ...)[3] Munich Re Specialty Announces Leadership Transitions at HSB and American Modern - InsuranceNewsNet (https://insurancenewsnet.com/oarticle/munich- ...)