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Detlef Linde

Director Line of Business Sales

Detlef Linde heads the Line of Business Sales Department and therefore has overall responsibility for hardware, software and product-orientated services. He reports to Bernd Charpentier, MD, Germany and is a member of the Computacenter Management Board.

After becom Informationssysteme GmbH was taken over by Computacenter in 2009, Detlef Linde (who had been Managing Director 2008-2009) headed their sales department at Computacenter. March 2008 to July 2009, he was a member of the TDMi AG Executive Board. At the beginning of 2007, he took over the duties of Chief Operating Officer (COO) there. In early 2007, he assumed the responsibilities of Chief Operating Officer (COO). He had previously worked as COO of the international group, becom Group Holding B.V. and as managing partner of becom Informationssysteme GmbH.

Angelika Benten

Sector Director, South

Angelika Benten is Sector Director and responsible for all customer sales in the South Region. She reports to Bernd Charpentier, MD, Germany. Angelika began her career at Computacenter in 1999 as an Internal Sales Manager in the West Region and later across Germany. In 2002, as Six-Sigma Project Manager, she supported the realignment of Computacenter’s automation and CRM. In 2004, she returned to sales, where she initially headed the New Customer team, followed by Customer Sales in Munich from 2008.

In 2015, Angelika Benten was appointed as a member of the Computacenter Management Board.

Fritz Scheffer

Sector Director, North/Central

Fritz Scheffer is Sector Director and responsible for all customer sales in the North and Centre regions. He reports to Bernd Charpentier, MD, Germany. Fritz Scheffer started at Computacenter in 1999 as Key Account Manager for savings bank finance customers. As Client Director, in 2003, he assumed responsibility for a regional sales team and was assigned the role of Director Vertical Finance in 2005. Since 2009, he has been responsible for all customer sales in the North and Central regions. In 2015, he was asked to join the Computacenter Germany Management Board.

Manfred Lieske

Sector Director, Public

Manfred Lieske is Sector Director and, together with Jonas Rahe, is responsible for overall sales for the public sector in Germany as well as the strategic development of the business field. In this role, he reports to Bernd Charpentier, Spokesman of the Management Board Germany.

Manfred Lieske started as a sales trainee in 1997 and then worked as a key account manager. In 2005, as Client Director, he took over responsibility for all federal authorities in the newly founded Public division. In 2014, he was appointed Sector Director Public and thus assumed overall responsibility for the Public sector. Since 2015, he has been a member of the management of Computacenter Germany.

Jonas Rahe

Sector Director, Public

Jonas Rahe is Sector Director and, together with Manfred Lieske, is responsible for overall sales for the public sector in Germany as well as the strategic development of business in this field. He reports to Bernd Charpentier, Spokesman of the Management Board Germany. He has been a member of the Management Board of Computacenter Germany since September 2023.

Jonas previously worked for Cisco Germany for over twenty years. Most recently, he has held the position of Managing Director Public Sector Germany since 2019 and has been a member of the Extended German Management Board for ten years.

Peter Pohl

Director International Key Accounts

Peter Pohl is Director International Key Accounts and is responsible for sales for international key accounts in the chemical and pharmaceutical industry. Peter Pohl started working for Computacenter in 1988 as a software consultant and later as a systems engineer. In 1993, he moved to Sales where he occupied various posts. Since 2006, he has been responsible for developing international key accounts and sales in this domain. In 2015, Peter Pohl was appointed to the Computacenter Germany Management Board.

Robert Houser

Sector Director, West

Robert Houser is a Sector Director and responsible for all customer sales in the West Region. He reports to Bernd Charpentier, MD, Germany. Robert Houser joined Computacenter in 1999. At that time, he started in consulting, and after a stint in Alliance Management, he moved to sales in 2005. Here he first worked as an account manager for one of the leading German car manufacturers and from 2008 as a client director for a major European aircraft manufacturer. Since 2016, he has been Client Director for another leading car manufacturer and developed Computacenter’s managed services business with the customer. At the end of 2021, Robert Houser was appointed to the Computacenter Germany Management Board.

Thomas Garn

Sector Director, International

Thomas Garn is Sector Director and responsible for sales to international key account customers in Germany. He reports to Bernd Charpentier, MD, Germany. Thomas Garn joined Computacenter as a sales trainee in 1998 and later worked as Account Manager and Key Account Manager. In 2004, he was entrusted with the task of building up a business development team. He then assumed responsibility for sales in the Rhineland region as Sales Manager, and later as Unit Director. Since 2009, he has been responsible for International Accounts, initially as Area Director, and since 2013 as Sector Director. Since 2015, Thomas Garn has been a member of the Computacenter Germany Management Board.

Claus Magiera

Service Director

Claus Magiera is Service Director and heads the Service Engagement division at Computacenter in Germany. His area of responsibility includes service management in selected complex outsourcing and managed services contracts. He reports to Tilmann Gramß, Managing Director and Service Management Director at Computacenter Germany.

Claus Magiera started his career at Computacenter in 1991 as a trainee in systems consulting. He advised various key accounts and later took over service responsibility in the West region. As sales manager, he was responsible for key accounts in the telecoms segment from 2003. He was then given nationwide service responsibility in the Corporate Division, the business area for large corporate customers. As Service Director, he was responsible for on-site service provision for customers in the North, Centre and West regions from 2007 and was appointed to the Executive Board in 2009. Since 2014, he has been working in the area of complex outsourcing and managed services situations for our customers, particularly in the transition and transformation phase.

Liane Artmann

Sector Service Director, International

Liane Artmann is a Sector Service Director and responsible for providing services to international customers in Germany. She reports to Tilmann Gramß, Managing Director and Service Management Director at Computacenter Germany.

Liane Artmann joined Computacenter in 2017 as a Service Director and was responsible for a global customer. She then took over an additional customer unit in the West region. Before joining Computacenter, Liane Artmann held various management positions at Hewlett Packard and DXC Technology in both England and Germany. Her focus is on IT outsourcing, building global managed service accounts, transition & transformation and service management. At the beginning of 2022, Liane Artmann was appointed to the Computacenter Germany Management Board.

Ludwig Distler

Sector Service Director, Public Sector

Ludwig Distler is responsible for service delivery to all customers in the public sector in Germany reports to Tilmann Gramß, Managing Director and Service Management Director at Computacenter Germany.

He joined the company in 1994 as a systems engineer on high availability and SAP/3 solutions in large customer environments. Since 1999, Ludwig has held various roles in service management and was responsible for service delivery in Sector South as Sector Operations Director from 2015. In 2019, he was appointed Sector Service Director Public and has been a member of the Executive Board since then.

Michael May

Sector Service Director, West

Michael May is responsible for service delivery to our customers in the Sector West and reports to Tilmann Gramß, Managing Director and Service Management Director at Computacenter Germany.

Michael's career at Computacenter began in 1998 as a trainee system engineer. He then held various service management positions, including managing the data center solutions area as regional manager and then the data center engineering area across Germany. In 2013, Michael became Area Service Manager and shortly afterwards as Sector Operations Director with responsibility for customers in the North/Central region. Since 2020, he has led the West Sector as Sector Service Director and was appointed to the Computacenter Germany Management Board.

Christian Michel

Sector Service Director South

Christian Michel is responsible for service delivery to our customers in the South region. He reports to Tilmann Gramß, Managing Director and Service Management Director at Computacenter Germany.

In 2018, Christian joined Computacenter where he was responsible for service growth for existing service customers. Since 2023, he has been responsible for the South Region as Service Director and was appointed to the Computacenter Germany Management Board.

Prior to joining Computacenter, he held a number of senior positions at IBM. In these roles, he was responsible for service management in the Managed Services area for all clients in Germany. He has also been Chairman of SPIRIT/21 and a management consultant for organisational development.

Bernhard Witzel

Sector Service Director North/Central

Bernhard is Service Director North/Central, responsible for service delivery in this region. He reports to Tilmann Gramß, Managing Director and Service Management Director at Computacenter Germany.

In 2019, Bernhard joined the company and was initially responsible for the International Accounts I service unit for a major German car manufacturer. Since 2022, he has been responsible for the North/Central region as Service Director and is a member of the Extended German Management Board.

Prior to joining Computacenter, Bernhard worked for Siemens in various sales and regional management roles for many years. He was also Managing Director for Getronics in Germany and Business Unit Manager at Axians.

Marc Fiedler

Head of Commercial Finance DE

Marc Fiedler is Head of Commercial Finance Germany and responsible for the Commercial Finance Department and M&A (Mergers & Acquisitions) Germany. He reports to Keith Mortimer, Group Head of Commercial Finance. Marc Fiedler began his career at Computacenter in 1999 as manager of the Commercial Finance Department, initially for the North/East region and later for all of Germany. In 2004, he was appointed as an authorised signatory. From 2005, Marc Fiedler was responsible for the M&A Germany Department. In this role, he was responsible for the acquisition of various companies, which he supported as General Manager until they became fully integrated. In 2015, Marc Fiedler was asked to join the Computacenter Germany Management Board.