Morisetti was educated at the
City of London School, and subsequently joined the Royal Navy in 1976. After initial training at
Britannia Royal Naval College in
Dartmouth, he held shore postings and attended the
University of East Anglia and graduated with a
Bachelor of Science. In 1986 he was appointed commanding officer of the patrol boat of the
Northern Ireland Squadron. Morisetti was later
Principal Warfare Officer of the
frigate , and in 1991 joined the Naval Secretary's Department as an officers' appointer in 1991. From 1993 to 1994 he was commanding officer of the
destroyer . and the following November became the United Kingdom's Climate and Energy Security Envoy. In January 2013 he was appointed as the Foreign Secretary's interim Special Representative for Climate Change, a position he held for ten months. ==Post-navy career==