The new post holder, who was also secretary of the governmentâs Housing and Urban Development (HUD) department, will sit on the financial institutionâs executive committee while adopting a client-facing role in the territory.
As a senator he served on a range of committees including Foreign Relations, Armed Services and Housing and Urban Affairs while prior to this he worked as an attorney.
Jamie Dimon, chairman and chief execuitive officer of JPMorgan Chase, said: âMel has been a business and civic leader and a role model in Florida for decades.
âHe has served the people of Florida well at both the local and national level and now he will help JPMorgan Chase continue our expansion to serve the consumers, businesses and communities of Florida and the region.â
Earlier in the year, the firm outlined plans to boost its global presence by appointing Heidi Miller to the newly created role of president of international.
In a statement, JPMorgan said that Ms Miller had been moved to the position to help the bank grow its global lines of business.
By Jim Ottewill