Peter Oncken

Peter leads all airline investment and acquisition projects and manages the airline investments personally along with his highly skilled team. As an accomplished lawyer (University of Colgne, Germany) he has profound expertise of more than 15 years in the aviation industry with a focus on strategy, restructuring and turn-around processes, strategic planning and corporate development, cost reduction programmes, efficient group structures and governance, turnaround planning and management, carve-out and spin-off strategy as well as analysis and feasibility evaluation of start-ups. His recent roles were amongst others:

  • dba - Member of the Supervisory Board   -  2004 – 2006 (sale to Air Berlin)
  • LTU International Airlines – Managing Director  -  2006 – 2007 (sale to Air Berlin)
  • Gold Inn AG – Member of the Executive Board  -  2009 – 2010, Member of the Supervisory Board  -  2011 - 2014
  • Flynext Airlines – Managing Director  -  2010 – 2011 (sale to Germania)
  • InterSky Luftfahrt GmbH – Managing Director  -  2012 – 2014
  • VLM Airlines NV – Chairman of the Board  -  2014 (MBO)
  • CityJet Ltd. – Chairman of the Board, Non-executive Director  -  2014 - 2016 (sale to European Investment Fund)


Marcus Kresin

Marcus Kresin has over 15 years of Airline and Travel, Transportation and Logistics (TTL) related experience. At INTRO Aviation, he has advised numerous airline clients on a variety of projects including corporate strategy, due diligence reviews, business plan development, airline restructuring and business / IT process optimization. Marcus has led an internal team which has developed a suite for planning, Business Intelligence and analysis solutions that provides real-time decision support for several clients.

Marcus Kresin’s analytical background enables him to identify key leverage points necessary to improve the efficiency and quality of decision-making processes in business.

During the last years he has proven his leadership skills by involving, coordinating and managing projects and leading teams to achieve objectives and transformation processes.

Prior to joining INTRO, Marcus Kresin was CIO at Rudolf Wöhrl AG, a large fashion retailer in Germany where he designed and implemented a new IT strategy by replacing the IBM Mainframe Infrastructure with a Microsoft Dynamics AX ERP System. Prior to this he was shareholder and Head of IT at Softec / NIIT Airline Technologies, a company providing consulting services and software solutions for operational and financial airline processes. During the time at Softec, he was also Interim IT Manager at dba (former Deutsche BA), leading various projects including the migration from British Airways PSS suite to Amadeus Altea.


George Lioumbis

George has held senior management positions within finance departments in different airline and tourist organizations, yet his main strength is the profound knowledge of the aviation industry economics.

In the course of his professional career he has been involved in a number of challenging projects:

  • Acquisition of Olympic Air by Aegean Airlines; the acquisition process was successfully completed under the auspice of the European Competition Committee (DGComp). George contributed to the exploration and delivery of the airline commercial, financial and fleet performance data, developed viability scenarios, including route and fleet projections and aviation specific KPIs and was also actively involved in the due diligence process.
  • Evaluation of current and new routes viability through cross-fleet revenue-cost comparisons, capital injections required and implied ROI for a number of existing and prospective airlines across Europe and Asia.
  • Project Manager for the development of sophisticated information systems for the aviation industry. The projects referred primarily to the implementation of SAP financial and budgeting modules, as well as BI tools (BW and Qlikview) allowing for enhanced management decision making. The implementations were successfully completed and have been well recognized and awarded.
  • Acquisition of by; the acquisition led to the creation of the largest Online Travel Agent (OTA) in South Eastern Europe. George formed part of the acquirer Finance team, as Finance and Reporting Manager, with a mandate to perform an initial due diligence as well as provide with the counter due diligence deliverables in cooperation with a Big-4 audit firm. 
  • Assigned with the mandate to deliver a smart, user friendly 5-year Business Plan including Cash Flow for a South Korean airline start-up.


Norbert Steiger

Norbert Steiger has over 25 years of experience in M&A and IT Outsourcing, commercial transformation, technology business strategy, and Joint Ventures. During his 8-year tenure at SITA as SVP New Ventures & Large Deals he developed a very successful business model of Airport IT commercialization and signed significant Airport Master System Integration (MSI) contracts as well as successful technology & commercialization consulting engagements with Airports around the world.

Over 12 years until 2004 Norbert Steiger held various senior management positions at EDS Europe. As Executive Director Eastern Mediterranean and Middle East he was responsible for the development and implementation of the market entry/expansion strategy for the regio. As Director – Corporate Business Development & Ventures EMEA Norbert was responsible for all M&A activities in EMEA as well as for the execution of EDS strategy to focus on core competence through the divestiture of non-core business activities and the EMEA wide consulting on the structuring of complex business transactions.

From 2004 until 2012 Norbert served in senior management roles at SITA Switzerland. As Senior Vice President – New Ventures and Large Deals he created the Outsourcing Strategy for SITA and led the pursuit, negotiations, implementation and management of several $200m plus TCV Outsourcing/Joint Venture contracts and created a new business strategy for the commercialization of IT at an airport. As Regional Vice President – Latin America and Caribbean he was responsible for the Sales & Relationship Management for SITA in LAC with additional responsibilities as the nominal head of the region for all of SITA’s business. He created a strong pipeline of opportunities focusing on SITA’s end-to-end portfolio and system integration capabilities.


Reto Manitz

Reto Manitz studied at the Technical University of Berlin, Institute of Aeronautics and Astronautics. He obtained his master degree in 1994.

He worked for different companies including Pan American Airlines, Air France and Berliner Airport GmbH. One of these jobs involved taking on management responsibility in the technical construction department of Berlin Airports, responsible for civil engineering, taxing and docking systems. Furthermore he held the position of Head of Central Traffic Coordination in the Berlin Brandenburg Airport Holding. Here, he worked on the setup of a new marketing and sales department and he proposed and implemented strategic development plans for Berlin’s air traffic.

In 1995, Reto Manitz moved to Austria and worked for Innsbruck’s airport company. As Head of Marketing, he developed incoming markets and extended the outgoing traffic to new destinations (Scandinavia, England, Russia). To date, Innsbruck has benefited from the strategic development of the Russian market, as well as the offered destinations to Germany. In 2000 Reto Manitz took the position as Press Spokesman for Nuremberg Airport. Here, he developed the Press Office of Corporate Communications and facilitated the merging of the corporate communications and environmental departments in 2009, which formed the basis for a sustainable corporate development in this area. 


Pauline Hoogervorst

Pauline Hoogervorst has been working in the airline industry for more than 25 years in passenger-focused roles for various airlines.

As airline management professional and a consultant to the wider industry, she has been at the forefront of designing and delivering business change and transformation initiatives focused on customer service experiences. She achieved outstanding customer experience and loyalty programs, including project management of state-of-the art digital solutions for major European airlines and their service & solution providers.

Pauline served over 20 years in various customer- focused management positions within the AirFrance/KLM Group and Transavia , which have significantly improved passenger service/contact and care across all commercial and operational functions of the airline.

In addition to leading major customer transformation projects, she has initiated and led numerous operational excellence programmes resulting in significant business benefits, including cost reduction and performance improvement. Additionally, she set up and launched new business units and service offerings, including outsourced and internal customer contact & service centres and multiple ground services. Pauline recently worked on delivering Customer Experience innovations, including new social media customer and contact experiences for various airlines.

With an in-depth knowledge and understanding of front-to-back airline operations, backed by an intuitively commercial mind-set, Pauline has a broad general management skillset and mobilises stakeholders at all commercial and operational levels of the business. She is fluent in five languages, with working experience in Europe, Asia and the Middle East.


Alexander Mair

With over 20 years of experience in different roles within the global MRO industry and having worked with companies like Air Berlin Technik, DHL and RUAG Aerospace, Alexander has gained extensive expertise enabling him to achieve outstanding results on critical maintenance projects. He was engaged in various cost reduction programs, lean management processes, in- and outsourcing projects, airline start up, turnaround and contract negotiation projects.

Alexander was fully responsible for the overall MRO business when he was employed at following airlines/MROs:

  • dba – Technical Director (2004-2008)
  • Air Berlin Technik – Managing Director / Director Maintenance (2008 – 2010)
  • FLYNEXT Airlines – Technical Director - an Intro Aviation Consulting Project (2010 – 2011)
  • DHL / European Air Transport – Director Maintenance (2012 - 2013)
  • RUAG Aerospace Service – Managing Director (2013 – 2014)

Alexander is a certified communications / electronic specialist and holds CAT B2/C aircraft Licence. He loves various sporting activities and is interested in stock market business.


Claus Fischer

Claus Fischer has been in the airline industry since 1990 covering the commercial field of network planning, yield management, distribution, revenue accounting, sales and marketing. He is very well connected in the interline world with legacy carriers. He is a specialist for restructuring and turnaround situations and was part of the restructuring teams of 3 German carriers. He worked for two Middle East carriers to start up or restructure. Claus held the position as Chief Commercial Officer at the following airlines over the past years:

  • nasair, Saudi Arabia (today: flynas)
  • Safi Airways (Dubai/Afghanistan)
  • and more recently Olympic Air as part of the team which restructured and turned around the airline prior to its sale to Aegean Airlines.

He has been performing interim management positions in CityJet and VLM to facilitate network and revenue management and distribution processes.


Helmut Weixler

Being in the airline industry for since the early 1980's Helmut has acquired an extensive and invaluable experience across all areas of an airline, most notably obviously as a pilot and senior manager.Being in the airline industry for since the early 1980's Helmut has acquired an extensive and invaluable experience across all areas of an airline, most notably as a pilot, instructor, examiner and senior airline manager.

Helmut is a captain with more than 20.000 flight hours and a qualified instructor, examiner and senior examiner and has flown Airbus A320, 321, 330, 340, 350 and 380.

Helmut's career at a glance:

1985-2003 LTU International Airlines:  Captain, Instructor, Examiner, Senior Examiner, Chief Pilot, Post Holder Training

2004-2007 ETIHAD Airways: Vice President Operation, Accountable Manager.

Responsibilities included the formation of the Flight Operation Department which covered Training, Flight Safety, Operation Control and Recruitment officers. Development all relevant manuals and training programs and obtained the relevant approvals. In the role of Accountable Manager responsible for Operation, Security and Maintenance.

2007-2011 LTU International Airlines, dba, Air Berlin : Managing Director, Accountable Manager.

As their Managing Director Helmut played a vital role in the integration of dba and LTU into Air Berlin after their acquisition from INTRO Aviation.

2012-2017 Qatar Airways: Chief Operation Officer ( COO)

Introduction of new aircraft types B787, A380, A350 (launch customer) including the development of the associated and required operational infrastructure and the required training programs and training facilities.

Reorganisation of the Training and Flight Operation Department to cope with the challenge of introducing an average of 30 aircraft of all types every year and the requirement to hire and train 650 pilots a year.