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We are TTCG

Decades of broad-ranging management experience in the global Travel & Hospitality industry, intensive networking in the top management echelons of the travel industry and a clear focus on your support needs are what set us apart. Our consulting style is characterised by a combination of strategic planning, theoretical knowledge and practical experience.


Thomas Drexler

As a strategist and expert in sales, travel tech and mobility solutions, I am very well connected in the travel industry. My particular focus is the global rail industry. I am passionate about the pragmatic, quick and professional implementation of my projects, and love all kinds of change and creative disruption. Your success is my motivation!

Education & positions
  • University of Vienna
  • Master in Business Informatics
  • Former Board Member Amadeus IT Group
  • Angel Investor
Experience & Qualification
  • More than 20 years of relevant professional experience in the mobility and tourism industry
  • Head of Corporate Development, Start Amadeus
  • Managing Director for Online Sales, Lufthansa Passenger Airline
  • Vice President of Sales, Deutsche Bahn AG
  • Global Head of Rail, Amadeus IT Group
  • Senior Vice President Carrier Business, SilverRail Group (Expedia)
Core competencies
  • Many years of entrepreneurial experience and distinctive competence in the areas of digitalisation, strategy development, restructuring, business development, sales and marketing – especially in highly complex, global structures
  • Proven expert in the global railway distribution business, as well as in the area of rail IT backend systems
  • Many years of expertise and a proven specialist in the field of airline GDS (Global Distribution Systems) and airline IT systems
  • Decades of leadership competence

Partner & Managing Director

Jens Vongehr

At home in Corporate Travel, very well networked and familiar with all relevant technological processes for over 20 years. With the customer’s benefit, timely delivery and the steering of all parties in focus, I have set up completely new processes as well as redesigned and optimised existing processes.

My experience is mainly in global end2end projects, e-commerce, strategy and business development.

Education & positions
  • State-certified Computer Scientist
  • Various management functions at travel management companies
  • Senior Consultant in GDS, Mid + Back-Office
  • Authorised signatory and Management Board member of a software distribution company
Experience & Qualification
  • 20+ years of professional experience in Corporate Travel, Travel+Expense Technology and Tourism e-Commerce
  • 18+ years of leadership experience in various roles at TMC, GDS and Deutsche Bahn, among others
Core competencies
  • Extensive experience in the selection (technical and commercial), implementation and optimisation of technology – both in a business travel environment and in the environment for tourism e-commerce solutions
  • End2end specialist with extensive experience in the implementation of international / global projects, excellent overview of almost all technical solutions on the market at a global level, extensive network linking to all technology providers
  • High degree of competence in communication at all levels, operational as well as CxO level


Jürgen Büchy

As a strategic analyst and empathetic facilitator, my focus is on generating visible added value for clients, involving all the relevant stakeholders, realising quick wins and developing tailor-made solutions. Thanks to my ability to grasp matters quickly and focus on the core issues, I develop targeted and creative solutions and successfully align large marketing and sales organisations in the mobility and travel industry accordingly.

Many years of experience in leading large companies with radical strategic realignment, successful pacification of internal and external distribution conflicts, as well as the consistent empowerment of executives and employees are the cornerstones that determine my entrepreneurial thinking.

Education & positions
  • Vocational training as an air traffic clerk with Lufthansa
  • President German Travel Association DRV (2010-2014)
  • Chairman of the Supervisory Board and Committee Ameropa-Reisen GmbH
  • Chairman of the Advisory Committee Europäische Reiseversicherung AG (ERV)
Experience & Qualification
  • 40 years of professional experience in the airline, travel and rail industry
  • 20 years of experience in top management positions as CEO, Managing Director, Senior Vice President at Deutsche Lufthansa, Start Amadeus (today Amadeus Germany) and Deutsche Bahn / DB Vertrieb
  • Extensive experience in leadership, realignment, turnaround and restructuring of large companies
Core competencies
  • High level of competence and experience in the areas of Strategic Development, Sales, Marketing, Key Account Management, Product Management and Pricing, especially in complex marketing structures with different channels, business and private customers, as well as domestic and foreign markets
  • High level of competence in the analysis and development of solutions for complex entrepreneurial or strategic challenges, as well as in implementation support


Prof. Dr. Adrian Freiherr von Dörnberg

I facilitate, analyse and “open doors” in the travel industry and align companies with their core competencies. As an expert in strategic analysis and implementation, my focus is on realigning business models without losing sight of the human factor. The basis of my work is my extensive experience in Marketing and Sales.
Education & positions
  • University of Marburg
  • Business economist (qualified as a “Diplom-Volkswirt”, comparable to an MBA)
  • Dr. rer. pol. (Ph. D.)
  • Professor at Heilbronn University, Faculty of International Business
Experience & Qualification
  • 25 years of professional experience in the travel industry – Member of the Executive Board of Lufthansa, Member of the Executive Board EUROPÄISCHE Reiseversicherung, CEO Deutsche Seereederei-Touristik (AIDA-Cruises) – Member of the Supervisory Board DER, First Travel Agency Group, Airport Moscow-JV Aeroflot/Lufthansa, Amadeus
  • Independent management consultant/project manager for the Austrian Airlines Group, Kuoni-BTI Europe, TUI, Groupe Air France, Eurowings, Kühne & Nagel, etc.
  • Publication of more than 40 articles on topics related to the travel and tourism industry
Core competencies
  • Corporate development
  • Strategy development and implementation
  • Building efficient sales and customer service organisations
  • Accompanying generational and ownership transitions
  • Coaching and sparring partner for managers
  • Strategy meeting facilitation
  • Interim management roles


Wolfgang John

As an airline professional, I am very familiar with the tourism and travel industry. My focus in this regard is on crisis management and interim management. As a generalist with a focus on airline, sales and operations, I am open to all topics, my approach is versatile and I build bridges to lead people/teams with collegial spirit and implement projects sustainably and on time.
Education & positions
  • University of Erlangen-Nürnberg
  • Business graduate (qualified as a “Diplom-Kaufmann”, comparable to an MBA)
  • Certificates for safety, training and fleet management from various institutions
  • Former CEO, Managing Director and Board Member of International and Leisure Airlines
Experience & Qualification
  • Over 30 years of extensive airline experience
  • Positions held as CEO, Managing Director, Ops Director and Supervisory Board member in various companies such as Aero Lloyd Flugreisen, Hapag-Lloyd Flug, TUI Deutschland, Start, Amadeus Marketing Company
  • Development and conceptualisation of sales and marketing systems, restructuring and development of marketing and sales organisations at leisure and holiday airlines, management of operational areas (flight operations, ground operations) and personnel responsibility in cooperation with committees and trade unions
Core competencies
  • High level of expertise and experience in sales systems, marketing automation, airline operations restructuring, airline start-up, product development and launch, as well as mergers & acquisitions. The focus is on analysis, as well as strategy development and consistent implementation / realisation.
  • Frequent lectures at universities, associations and conferences
As members of industry associations DRV Deutscher ReiseVerband e. V. and Verband Deutsches Reisemanagement e.V. , we enjoy the benefits of Germany’s largest mobility management network.
Deutscher Reiseverband German Travel Association
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