amd.sigma’s team is made up of highly experienced specialists in strategic development planning. Our senior consultants have an extensive network in the airport industry and the ability to work across multiple languages and cultural contexts.
Adam is a senior management professional with more than 15 years of global experience in airport planning and management at senior and executive level in Europe, Middle-East, Australia and Africa.
With a number of roles for an ATC provider, airport operator and airline, he brings a exceptional interdisciplinary knowledge of the aviation system.
He has led numerous terminal and airport privatisation and consultancy projects and provided strategic advise to public and private clients with focus on strategic development, airport management, enhanced customer experience meeting stringent commercial targets and delivering return on investments to the shareholder.
Fitzek, Alexander
Senior Manager
Strategic Airport Development
Alexander Fitzek has three decades of experience working as a masterplanner and consultant on national and international transport projects. His key expertise lies in capacity analysis, concept design and CAPEX estimations for Terminal Buildings.
Alexander has been involved in numerous successful airport privatisation bids including Guarulhos Airport (São Paulo) and Belo Horizonte Airport (also in Brazil).
All in all, he brings with him experience of working on over 30 airport projects across Europe, Eastern Europe, Russia, Africa and South America.
Dr. Zitzmann, Diana
Senior Consultant
Strategic Airport Development
Dr. Diana Zitzmann is a building planning expert and a specialist in requirements management for airport buildings.
Due to her fluent Russian language skills and her deep knowledge of the Russian culture she is also an expert for airport development in Russia and the Former Soviet Republics.
Diana has conducted scientific research and published on the St. Petersburg architecture of the 1920s and worked as an architect on projects in Germany, Romania and Russia before joining amd in 2013.
Diana has been the project director for new development options for Terminal 1 in Munich and for two new Authority and GSE Buildings at Hamburg Airport. For the new Terminal 2 at Berlin Airport she conducted the requirement analysis.
Based on analysis she seted up the programme for the buildings, concept layouts as well as tender documents.
Bünck, Olaf
Senior Manager
Strategic Airport Development
Olaf Bünck is an architect and real estate expert. Additionally he is also a specialist for architecture visualization.
He founded his own start-up company in Berlin in 1994, which was for many years the top address for high-resolution architecture visualisations for major international projects, including airports.
After over 20 years in architectural design and marketing, Olaf turned to real estate.
He has been working on several master plan and airport city projects as well as vertiport concepts and has also delivered real estate analysis and concepts for airport and real estate clients.
Brinkmann, Robert
Senior Manager
Strategic Airport Development
Robert Brinkmann is a Senior Project Manager for terminal planning and masterplanning projects and expert for capacity planning and analysis. Additionally, he has been specializing in CAST terminal simulation software and in static analysis with Microsoft Power BI.
He started his career in aviation as an aircraft mechanic at Lufthansa Technics in Frankfurt followed by a bachelor and master’s degree in aviation engineering.
Robert has been working on several large-scale master planning and terminal planning projects for German airports as well as for capacity- and feasibility studies in the Middle East, Brazil and Cuba.
Dorwarth, Klaus
Senior Consultant
Strategic Airport Development
Airport Consultant specialized in Airport Development and Airport Planning. Project experience includes airport master plans, land-use plans, airport system plans, conceptual designs as well as studies on military airports and heliport facilities. Expert for survey works and Geographic Information Systems (GIS).
Key attributes include excellent abilities in project management, proven by the passed PMP exam, and technical coordination.
Tremendous expertise in CAD and IT applications.
Experienced in 3D project visualization.
Professional command of International Civil Aviation Organization (ICAO) Standards.
Proven international project experience and strong intercultural professional abilities.
Gintner, Christopher
Senior Consultant
Strategic Airport Development
Christopher Gintner is an architect and urban planner with considerable international experience in terminal planning, project management, design development & coordination. Strong intercultural skills and great ability in incorporating stakeholder requirements into the design. Experience in tendering process and costing.
Originally from Rio de Janeiro, Brazil, with studies and work activity in Germany, United States, South America, and the Middle East. His airport portfolio includes the Abu Dhabi Midfield Terminal, as well as Berlin, Newark, Sofia, various locations in India and others. Retail design know-how and participation in large mixed-use projects, such as the interesting Opus Tower by renowned architect Zaha Hadid, in Dubai.
Christopher Gintner is flexible, with extensive technical knowledge and attentive to details, providing remarkable design solutions and process optimization.
Le Gros, James
Senior Consultant
Strategic Airport Development
James Le Gros is a senior aviation consultant with 10 years experience in which he has concentrated on airport operations, planning and project development for international airport projects.
Originally from New Zealand, James lived in Australia and England and worked there on international projects.
After moving to Germany in 2013, he worked as project manager on the projects for First Oman Ltd. in Muscat on the project Al Ghubrah Residential and Commercial Area and such as Al Riyadh Development Authority in Saudi Arabia for the Headquarter of the Human Rights Commission.
Since 2015 James worked on the projects Palmerola International Airport in Honduras and Newark International Airport, New York City, USA.
Oliveira, Pedro
Senior Consultant
Strategic Airport Development
Pedro Oliveira is an architect and an expert for Autodesk revit BIM software. Beside his degree in architecture, he also holds a master’s degree in international management.
He started his career working 5 years as an architect with ARQX Arquitectos in Porto where he worked as an Architect in all design phases for multiple projects. After moving to Germany, he worked 3 years for Gerber Architekten in Berlin where he was Project Lead for two large scale infrastructure projects in the Middle East and China – developed in BIM environment.
Since May 2018 he led the concept development for Terminal 3 at BER Berlin airport (18 MAP Capacity), as well as supporting MAI’s projects in Latin America – Brazil and Honduras.
He gives weekly internal revit lectures and has recently introduced video visualization’s as a powerful mean for communication with clients.
Ziegler, Patrick
Senior Manager
Strategic Airport Development
Patrick is a senior aviation consultant with more than 10 years of global experience in airport planning in Europe, North America, Asia and Africa.
Specialised in key aspects of airport strategic masterplanning, he applies his interdisciplinary knowledge in airport infrastructure development projects, as well as due diligence and technical advisory projects for all sizes of airports: from small airfields in Tanzania to mega-hubs of Hong Kong, Singapore Changi and New York JFK.
In his 50+ airport projects, Patrick has been advising global aviation clients on their best strategic choices, listened and understood their challenges, and delivered pragmatic solutions. He led teams to craft sustainable long-term Masterplans, provided the best business case in due diligence projects for airport concessionaires, and helped banks and other lenders to understand aviation-specific risks and opportunities in technical advisory roles.
Barsch, Sandra
Consultant
Technical Planning Airside
Sandra is an expert for airside concept layouts like runways, taxiways and aprons. Additionally, she works with “AviPLAN Airside Pro 4.0”, an aircraft maneuver and parking stand simulation software 2D/ 3D and with SkySAFE 2.0, an obstacle surface planner 2D/ 3D software.
Sandra has 25 years of experience in airside planning for airports. She started her career with an apprenticeship as technical draftswoman in mechanical engineering. Later she joined sigma consult, a Berlin-Schoenefeld based planning company. The company became part of amd.sigma in 2012.
Sandra has been working on airside conceptual studies for international airports in the middle east, south and central America, as well as on all of amd.sigma’s German projects. Additionally, she worked on planning permissions for a large number of hospital helicopter landing pads in Germany.
Maksoudian, Queena
Senior Consultant
Strategic Airport Development
Queena Maksoudian is an architect and urban planner, Autodesk Certified Professional in Revit, with years of considerable international experience.
Over the past years, she worked on a variety of architectural projects, from the initial design phase to completion, located mostly in Europe and the Middle East region.
She particularly focused on large-scale projects, especially on the initial design and development phases, which require holistic planning, strategic thinking, the ability to find solutions, as well as project coordination, dealing with clients and preparing organized and structured presentations.
Queena is a Green Building Professional accredited from LEED and DGNB Green Building Academies, she is both LEED Green Associate and DGNB International Consultant.
Treichel, Maximilian
Senior Consultant
Project Management & Capacity Programming Expert
Maximilian Treichel is an expert for data analysis and capacity calculations. He has professional knowlage in excel-based programming, statistic-analysis and visualization with Microsoft Power BI – Business-Intelligence and works with simulation software CAST Terminal.
After his apprenticeship at the Berlin department for urban development, he dedicated his interest to his passion, aviation. The master's thesis at Lufthansa Technik in Hamburg, Germany, was successfully completed as part of his bachelor's and master's degree in aviation engineering studyed in Berlin.
Maximilian has been working on several large-scale master planning projects for German airports as well as for capacity- and feasibility studies in New York JFK or Hokkaido CTS, Japan.
Tuzbekova, Olesya
Consultant
Marketing & Business Development
Olesya Tuzbekova has studied Aviation Management in Berlin and Aeronautical Engineering in Russia. Master in Aviation Management included a focus on aviation and knowledge of aviation operations for both airlines and airports, strategy development, and choice modeling.
She started her career in aviation at United Aircraft Corporation, in Russia as a student working with actual aircraft and Life Support Systems for pilots. After successfully completing of studies she moved to the Department of Technical Training Facilities. During her time with UAC, her responsibilities included working with the integration and operation of comprehensive avionic equipment along with technical training facilities for pilots and engineers. Along with that, she had proven performance management processes and management for international projects in India, Malaysia, France and Russia.
Olesya joined amd sigma in April 2021, she is responsible for the marketing and supporting business development activities withing the company and MAI team.
Petersen, Nadine
Senior Manager
Strategic Airport Development
Nadine is a building planning expert and a senior management professional with more than 16 years of experience in airport planning and management.
She has worked continuously on infrastructure projects with functional and complex topics covering all project stages. She has comprehensive knowledge of specific construction needs with a track record of successfully applying these to a range of different subject areas.
Her main areas of focus are large-scale projects, especially on the initial design and development phases, which require holistic planning, strategic thinking, the ability to find solutions as well as project coordination and management.
Kovač, Gordana
Administration
Administration
After graduating from high school and completing her training, Gordana Kovac worked abroad, among other places, and has now been working an assistant to the management for 25 years.
Her scope of work includes general administrative tasks.
She is known for her structured and reliable way of working and is often referred to as the "heart" of the company.
Labrovich, Belén
Junior Consultant
BIM Architect and Urban Planner
Belen is a Junior BIM Architect and Urban Planner, Autodesk Certified in Revit, with experience managing architectural projects from initial design through to successful completion in Argentina. She is dedicated to ensuring efficient design and development processes, characterized by meticulous attention to detail, strategic thinking, and robust problem-solving skills. Her expertise in project coordination and delivering well-structured presentations has been consistently recognized. With a strong affinity for digital visualization, she is driven by a passion for continuous growth and innovation in her professional journey. Over the past year, she has focused on airport design and development projects in Germany, primarily concentrating on planning and visualization, working as a Junior Architect within a professional setting.
Shabanzadeh, Shiva
Junior Consultant
Strategic Airport Development
Shiva is an accomplished architect with five years of experience, poised to transition into consultancy. With a strong foundation in architectural design and project management, Shiva is eager to leverage their expertise in a consulting role. Joining amd.Sigma company represents a strategic move for Shiva, offering a platform for both professional growth and meaningful contributions to the field.
Schüler, Steve
Junior Consultant
Strategic Airport Development
Steve is an aviation engineer who is specialized in advanced air mobility.
During his studies in aviation engineering and aviation management in Berlin he gained experience in airport infrastructure managements and hydrogen aircraft development.
Since completing his studies, he has been working at amd.sigma on numerous projects and development projects relating to AAM.
Kirsch, Johannes
Senior Controller
Administration
Johannes is a seasoned Senior Controller with a Bachelor's degree in International Business Administration from the Berlin School of Economics and Law. He possesses extensive knowledge in Economics, Finance, and Business Evaluation, gained through both academic study and practical experience across various industries. Johannes further enriched his education with studies in Business Consulting & Digital Management at the FOM Berlin and an Erasmus year at EGE University in Izmir, making him fluent in English and German, with a foundational understanding of Turkish. His advanced theoretical expertise, combined with his linguistic proficiency and cultural insights, enables him to adapt and thrive in any environment.
Jahansooz, Alireza
Consultant
Strategic Airport Development
Alireza is a civil engineer and expert in Civil 3D software, who has served as a senior civil designer and team leader on various completed projects. With a degree in surveying engineering and currently pursuing a master’s in engineering management, he started his career as a surveyor in airports. After two years, he discovered his passion for airport design and planning, leading to 14 years of advancement in the industry with three main airport consultants in Iran, contributing to over 30 different airport projects.
Alireza is proficient in working with AviPLAN and capable of designing civil work details, including markings, lighting, pavement, and geometric designs. Since October 2023, he has joined amd.sigma, working on several international projects.
Hase, Jonathan
Working Student
Strategic Airport Development
Jonathan is a geography student specializing in infrastructure, location analysis, and urban space.
In his supporting role, he has taken on parts of the research and reporting for several projects under competent guidance. Due to his activities in various subject areas, he is gaining valuable practical experience while simultaneously deepening his theoretical knowledge from his studies. Over the course of a year at amd.sigma, his skills have significantly improved and become more diverse.