Jonathan Prinn joined the insurance industry in 1989 when he joined Bowring Ltd (now part of Marsh & McLennan) from Rea Brothers Bank. He assumed a number of varied roles during his time at Marsh & McLennan, initially wholesale broking of both property and casualty lines. In 1993 Jonathan was seconded for 4 years to set up and run the Marsh Global Broking office in Zurich where he concentrated on fortune 500 client work, and pioneered the Marsh centralised placement model.
Returning to the UK, Jonathan lead the creation of a Marsh proprietary electronic trading system (Marsh Express) and following this became eBusiness Leader for Marsh Europe. In 2004 Jonathan moved to the Marsh Global Placement division as international Chief Operating Officer (COO). In 2006 Jonathan moved to be COO of MMC sister company Guy Carpenter Facultative (GCFac).
In 2008 Jonathan was recruited to Willis, and become COO of Willis Global Placement led the creation and implementation of the industry leading Broking system WillPLACE, and was globally responsible for such. In 2015 Jonathan became Deputy Chief Broking officer for Willis GB, encompassing all of the Willis GB based broking from UK retail to the global specialty businesses.
Jonathan joined Ed. as Group Head of Broking in September 2016.