frank-ditmarsch-profile-sgi-aviation

Frank Ditmarsch

Program Manager

Frank Ditmarsch joined SGI in January 2013 as a Program Manager. Having over 20 years of aviation experience, of which 15 years in the field of aircraft leasing, he brings day-to-day leasing experience to the SGI Asset & Lease Management team, where he leads the Asset Administration.

Frank started his aviation career with European Aviation Services as Technical Representative and Sales & Marketing Manager Europe for engine repair & overhaul facility for Airwork of USA. After leaving EAS, Frank joined ING Aviation Lease where he gained leasing expertise as a Technical Manager on Airbus A300, A320 family, Boeing 737 and 757. In 2000 Frank became Power Plant Manager for International Equipment Management (IEM). After joining AerCap in 2002 as a Transaction Coordinator and Sales & Marketing Manager for Central Asia he decided to take the opportunity to join the new start-up company AerData in 2007. At AerData Frank focused on the development, implementation and training of an asset & contract management software application for airlines, leasing companies and financial institutions. In addition, Frank was responsible for the Policies & Procedures at AerData. He established an ISAE 3402 certification on the CMS tool with the accountants firm BDO.

Frank has in depth knowledge of aircraft lease management, is adept with the most common softwares and has an active role in supporting existing SGI customers.


Paolo Lironi
Chief Executive Officer Of SGI Aviation
Paolo Lironi is SGI’s CEO. He joined SGI in 2008, with more than 10 years of experience in commercial aviation. Mr. Lironi has a strong track record in aircraft leasing, Read More
Reynoud Simonis
Chief Operating Officer of SGI Aviation
Reynoud Simonis is SGI’s COO since January 1st 2017. Mr. Simonis had previously served as an Executive Advisor to SGI since February 2010, with responsibility for strategy, asset management and business development. Read More
Martin Geurts
Executive Director – Finance, HRM & IT
Martin joined SGI in 2014 as Finance Director. Before joining SGI, he held several financial management positions in a number of international companies such as UUNet/MCI Worldcom (Internet/Telco), Microsoft (ERP-software/IT), Read More
Antwan Langes
VP Technical
Antwan Langes joined SGI at foundation as a Program Manager. During his 17 year long career, he gained experience in the commercial aviation leasing industry, where he is constantly using Read More
Francesco Baccarani
VP Technical – Engines
Francesco Baccarani joined SGI in 2008 as a Technical Manager and was promoted to Head of the SGI Engine Team in 2016. Francesco leads a team of 10 powerplant engineers, Read More
Frank Ditmarsch
VP Technical
Frank Ditmarsch joined SGI in January 2013 as a Program Manager. Having over 20 years of aviation experience, of which 15 years in the field of aircraft leasing, he brings Read More
Quirina van Huis
Technical Manager
Quirina van Huis is the newest member to the Technical Services team of SGI. She started on the 5th of September 2016 as Program Manager. In 2006 Quirina graduated from Read More
Rene Oostveen
Head of Operations
René Oostveen joined SGI in April 2009 as a Technical Manager. Rene fulfilled positions as Senior Technical Manager, Program Manager and was promoted to Head of Technical Services in 2016. Read More