DOCUMENT EXCHANGE NETWORK - Key Persons


Gary Caroll

Gary Caroll has four decades of experience in the postal industry and international ecommerce. Well connected in the postal world, he has extensive expertise in cross-border ecommerce, international airfreight, and international logistics. After 27 years with Royal Mail in sales roles including Head of Sales Development (Parcelforce) and International Client Director (Royal Mail), he led commercial and business development at Jersey Post. From 2016 to 2022, he was Managing Director of Asia Pacific Post, the umbrella organisation of 28 postal operators which includes Australia Post, China Post, India Post, Japan Post, Korea Post, and Singapore Post. An internationally experienced senior executive with a proven track record of delivering outstanding operational and commercial performance in challenging, complex, and highly politicised national and international organisations, Gary is currently a Management Consultant & Interim Manager at Final Mile Consulting (UK), and became a partner to CLS in 2023.

Jan Hyttel

Job Titles:
  • Logistics and Transport Specialist
Jan Hyttel is a logistics and transport specialist with over 30 years' experience in international, cross-border logistics and multi-transport nodes.

Martin Füll

Job Titles:
  • Member of the MANAGEMENT BOARD
  • Expert
Martin Füll is an expert in postal IT systems (UPU: IPS; CDS; PEG), tariffs & cost models in the postal & logistics world, and the European postal & CEP market, and has built up over 25 years of consulting experience in market research & forecast models, applied postal & ICT law, cost accounting, IT project management and logistics. With a Master's in Business Economics from the Vienna University of Economics and Business, Martin started his career in marketing and IT/Database Management before joining Austria Post where he first met Walter Trezek. At CLS he has acted as MD (interim management) for several companies, and assumed responsibility for global tariff management, setting-up & redesigning a multi carrier / multi-channel ecommerce IT platform managing 100+ postal and courier/parcel/express companies (and their tariffs), and combining postal & freight customs clearance. He has lead projects including designing and developing software/middleware for the logistics industry, establishing ETOEs, and optimising processes & costs for cross-border ecommerce stakeholders.

Michael Flachsel

Job Titles:
  • Ecommerce and Logistics / Freight Forwarding Expert
  • Specialist
Michael Flachsel is a cross-border ecommerce and logistics/freight forwarding expert with over 30 years of experience in the industry. Originally from the freight forwarding sector, he soon specialized in international air freight. He worked for Austrian Airlines in the air freight sector for many years, built up the Cargologic operations at Frankfurt/Main Airport, and was responsible for products and sales at ATC Aviation Services AG in Germany. He has also worked in sales for Frankfurt/Hahn Airport. Michael is a proven specialist in international air transport and related ground handling & fulfilment solutions, as well as postal and commercial customs clearance, especially in Germany. Widely connected within the German market, Michael works at the interface between the new, digital requirements of international ecommerce (customs clearance, logistics, related data services), where he focuses on operational implementation on site to bring projects and ideas to fruition.

Sid Hart

Sid Hart has been at the forefront of innovation in the post, transport and logistics markets with a particular focus on disruptive technologies and software for the past ten years. As a c-suite executive and consultant he is experienced in managing international operations and corporate development, including the expansion of high growth tech businesses. Sid brings to CLS a particular passion for optimizing the customer experience, whether at a corporate or retail level, paired with in-depth knowledge of user experience, CSat metrics, and international logistics. He started his career in transportation intelligence with the Royal Air Force, and in 2012 was involved in the logistics planning for the London 2012 Olympics. He holds a BA, MBA, and accredited directorship courses from the UK's Institute of Directors. He has led large teams and companies across time zones and geographies, representing business internationally with governments and legislative bodies, and managing multi-million pound sales and projects.

Zoltan Patkai

Zoltan Patkai is a recognized expert in the field of digital transformation and postal/logistics standardization and has over 20 years' experience working with private and public sector stakeholders. Zoltan started his career at Unilever Hungary & UK before becoming Group Manager for GS1 at their Global Office in Brussels. He has worked with the EU as a Senior Business Analyst for DGEMPL, as a Standardisation Expert & Project Manager with the European Committee for Standardisation (CEN) in Brussels, and as an Expert to the EU4Digital initiative, supporting the digital economy and society in the Eastern Partnership countries in cooperation with Ernst & Young. He is a Council Member of the Gerson Lehrman Group (GLG), where he is involved in customs systems, standardization, change management, stakeholder engagement, taxonomies, product catalogues, surveys, knowledge management and digital process transformation.