In this newly created position Michaelsen will report to Dirk Popielas, head of European Insurance Solutions Group.
Michaelsen, who will be based in London, has moved to his new role from Deutsche Bank where he was responsible for insurance asset management new business development across UK, Europe and Scandinavia.
Previously Michaelsen worked at UBS Investment Bank in fixed income sales.
Popielas said Mr Michaelsen will be an integral part of growing the newly created European Insurance Solutions Group, which has been established as a dedicated business to highlight the unique investment requirements of this very important client group.
Michaelsen said insurance companies across Europe are facing heightened regulatory pressure in the form of Solvency II.
"JP Morgan Asset Management is taking significant steps to demonstrate its capability in this area and its solution driven approach coupled with a robust platform means there is the opportunity for the firm to become a leader in this market," Michaelsen said.