VZM Management Services

The VZM Team

Marcel Versteeg

Marcel Versteeg has almost 40 years of airline and maintenance management experience at directorship and executive management level. He has performed numerous business development and change leadership projects as consultant or interim manager, like his assignments as support starting an LCC, COO of Martinair Holland and COO of Sabena Technics. Before the start of VZM he was Director of KLM’s 747 Aircraft Maintenance Unit, where he had the responsibility for all 747 aircraft maintenance for KLM and customers around the world.


Ronald van den Bergh

Ronald van den Bergh has over 30 years of aircraft maintenance experience. Before joining VZM he held VP positions for the Maintenance & Engineering and Ground Operations departments at Martinair. He has performed both interim-management and consultancy assignments and supported and lead many successful organization improvement programs.


René van Doorn

René van Doorn has worked in the aerospace industry for over 30 years, including VP/CEO of Sulzer Eldim, Avio’s DutchAero (Services), and President of Standard Aero’s international operations. He has an extensive track record in business process re-engineering using Six Sigma/Lean, change management, M&A project management, and business development creating business growth in both aircraft engine manufacturing as well as engine overhaul & repair.



Bob Gaerttner Bob Gaerttner amassed over 40 years in technical, program, sales, services and business development leadership positions during his career at GE Aircraft Engines. This included large and small turbine engines for both commercial and military customers. Bob has provided business development and customer assistance to several North American aviation companies.


Theo Hermans Theo Hermans brings over 30 years of aviation industry experience, in technical management and aircraft leasing. He has been Managing Director at Blue1, VP/Director Technical Services at KLM Cityhopper, Skyways and Amapola and has extensive experience with regional aircraft, CAMO organizations, purchasing and logistics, and marketing and sales. In these different positions he has participated in many business development and performance improvement projects.


 Andreas Reichert Andreas Reichert is a 30 years’ veteran in aircraft maintenance with hands-on licensed technician and management experience. Before joining VZM he has been COO at Haitec Aircraft Maintenance, leading Line and Base Maintenance at Haitec and Air Berlin Luftfahrttechnik Düsseldorf. He has successfully introduced process and performance improvements in line and base maintenance operations.

Click here for PDF with the VZM Team