Management Team


Ieuan Friend

Managing Director

Ieuan Friend is the joint Managing Director of Data Interchange, alongside Ewan Friend. Since joining the firm in 2002, Ieuan has worked initially as a software developer before working his way through the business development and commercial functions. In 2010 Ieuan was appointed as the group's Marketing Director until his appointment as Managing Director in 2017. Ieuan’s core work includes:

  • Defining key strategies in the company 
  • International business operations, launching new offices around the world
  • Retaining links with globally respected industry bodies
Ieuan’s experience includes:
  • Deep understanding of Data Interchange's workflow through his previous roles in the company
  • Lead author for the OFTP2 communications protocol, now the standard in the automotive and manufacturing sectors for Data Interchange
  • MBA alumnus of Cranfield School of Management achieved in 2009 and BSc (Hons) in Computer Science from the University of Durham

Andrew Filby

Development Director

Andrew Filby is the Development Director of Data Interchange. Since joining the firm in 1989, Andrew has designed, developed and delivered our solution portfolio and has been responsible for the direction of our product strategy, ensuring that we maintain our position as a state-of-the-art B2B integration company.

Andrew's core work includes:

  • Odex
  • Epic
  • Darwin
  • Dinet

Andrew's experience includes:

  • Deep knowledge and expertise gained over 30 years’ in the industry
  • Designing and developing industry-leading EDI products and solutions
  • Integrating EDI products and solutions for leading brands

John Knights

Operations Director

John Knights is the Operations Director of Data Interchange. Since joining in 1999, John held a number of high-level positions in the technical department, before being welcomed to the board as a director, leading operations.

John's core work includes:

  • Optimising our state-of-the-art infrastructure
  • Continuously improving and refining our processes
  • Planning rollouts of all new system and hardware updates

John's experience includes:

  • EDI, OFTP, AS2, X.400, X.25/X.31, ISDN, LAN, WAN
  • Cisco / Bintec hardware, VoIP, VPN, software development and testing
  • Working at Data Interchange since 1999

Ewan Friend

Managing Director

Ewan Friend is the joint Managing Director of Data Interchange, alongside Ieuan Friend. Over his 13 years with the firm, Ewan has worked his way through the ranks from customer account management, software development, and technical consulting.  

Ewan's core work includes:

  • Achieving the corporate mission
  • Maintaining a perfect-first-time culture
  • Managing global organic growth and acquisitions

Ewan's experience includes:

  • More than 13 years' experience, advising global brands
  • In-depth knowledge of all solutions and products
  • Working knowledge of all Data Interchange departments

Stefan Köhler

Sales Director

Stefan Köhler is the Sales Director of Data Interchange. Since joining the company in 2012, Stefan has developed the company’s presence in Central Europe and is responsible for the worldwide sales activities since 2017.Stefan’s core work includes:
  • Develop sales and commercial strategies for global and local markets
  • Run sales campaigns and initiatives with the local sales teams
  • Increase Data Interchange global customer base
Stefan’s experience includes:
  • Director of Data Interchange since 2017
  • Master in Physics of Technical University Darmstadt
  • More than 20 years of sales and leadership experience

Simon Christmas

Technical Services Director

Simon Christmas is the Technical Services Director for Data Interchange. Since joining the support team in 2001, Simon has gone on to work in most of the technical departments at Data Interchange, before being appointed to lead the department of Technical Services. Simon’s core work includes:

  • Overseeing the support, managed services, consulting and solution architecture departments
  • Setting the direction and strategy of these departments
  • Improving processes and systems used by these teams
 Simon’s experience includes:
  • Deep understanding of EDI and integration solutions
  • Establishing and growing new functional areas
  • Project management of significant internal and external projects

Susan Thomson

Finance Manager

Susan Thomson is the Finance Manager for Data Interchange. Susan joined Data Interchange in 2016 to establish a Management Accounting function within the business. Susan’s core work includes:
  • Management Accounting information for the Leadership Team
  • Financial control framework
  • Commercial decision-making support
Susan’s experience includes:
  • Over 20 years accounting background
  • CIMA qualified
  • MSc Statistics, University of Kent, Canterbury
  • BSc Mathematics with Statistics, Imperial College


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