Shannon Engine Support (SES) has announced the appointment of Denise Mangan-Fahy as Chief Executive Officer, effective September 2025. Denise brings over 35 years of aerospace industry experience, having held senior leadership roles at Shannon Aerospace, GECAS, and AerCap Engines. She succeeds Julie Dickerson, who is retiring after more than a decade of outstanding leadership, during which SES grew from 200 to over 600 engines and established itself as a global leader in CFM56 and LEAP engine leasing solutions.
SES specialises in providing spare engine programs for CFM56 and LEAP operators, including airlines, cargo operators, and MROs. SES has a long history with CFM products, dating back over 35 years.
In 2016, they took delivery of their first LEAP engine and have since been supporting both LEAP-1A and LEAP-1B entry into service. They have a portfolio of more than 500 TRUEngine qualified, owned, and managed spare engines, making it the largest CFM engine lessor in the world.

