Governance at BuyIn is made up of two main pillars: the Board of Directors with top-level representatives from Deutsche Telekom and Orange and the BuyIn Management Team with managers originating from both shareholders.

Management Team

Volker Pyrtek

Volker Pyrtek

Chief Executive Officer

Volker joined Deutsche Telekom in 2002, as Head of Procurement for T-Mobile International, Bonn. In 2007, he took over the position of Chief Procurement Officer for Deutsche Telekom. Before that Volker held various management positions at Bayer, Leverkusen. In 1997, he was appointed Chief Executive Officer of the Investment Bank Spütz in Düsseldorf and at the same time became Chief Finance Officer of Tullet&Spütz, London. He was co-founder of the E-Procurement marketplace Goodex in 1999 as Chief Financial Officer and Director for Central Europe.

Guillaume Breton

Guillaume Breton

Chief Financial Officer and General Secretary

In May 2016, Guillaume joined BuyIn as Chief Financial Officer & General Secretary with additional responsibility for Target Costing@Procurement. In his last function at Orange Group he was Director for Investments and Procurement Performance, where he managed the Group’s investments throughout the whole financial cycle and where he closely collaborated with BuyIn and the Orange affiliates.

From 2006-2010 he headed the cost modeling department at Orange France, leveraging his strong analytical skills to optimize costs for the geographic areas. Guillaume started his career in the Orange Group’s R&D division, where he held various managerial positions for ten years in the area of mobile networks, Internet access networks, Internet and audiovisual services. In the late 1990s he gained his first international experience representing Orange in international projects and standard bodies, such as ETSI and 3GPP.

Friederike Mayer

Friederike Mayer

Senior Vice President Human Resources

Friederike joined BuyIn in July 2015, responsible for all Human Resources activities. Prior to this, she was with the Deutsche Telekom Group since 2000. In her last function she headed the Group Relations Management, responsible for designing and implementing group-wide policies, a Human Rights program as well as leading HR activities in M&A projects and in Industrial Relations. In between 2005 – 2010 she worked at T-Systems as Vice President Human Resources and as the Cross Functional Business Partner. Friederike started her career as Head of Management Training at Horváth & Partner GmbH, management consultants for five years before becoming Human Resources and Development Manager at T-Systems Training (now DT Training GmbH).

Frédéric Oltra

Frédéric Oltra

Senior Vice President Network Technology

Frédéric joined BuyIn in October 2017, taking over the role of Senior Vice President Network Technology. He is responsible for the global strategic sourcing of fixed and mobile network technology equipment and services for the Procurement Alliance. Before joining BuyIn, Frédéric was the Vice President for IT and Network convergence and transformation at Orange.

He has a proven 30-year track record across the international telecommunications industry. He held various positions with responsibility for Radio Access Networks at Orange, providing him with in-depth knowledge of technological standards and extensive experience in vendor selection.

Antoine Guilbaud

Antoine Guilbaud

SVP Customer Equipment

Antoine joined BuyIn in June 2017, taking on responsibility for the global strategic sourcing of smartphones, tablets and other connected devices. Before joining BuyIn, Antoine was Chief Financial Officer and Deputy CEO of Orange Slovakia.

Antoine has over 17 years’ experience in the telecommunications industry as a consultant and in various positions across Orange. He joined the Group in 2004 at Mobistar (now Orange Belgium), where he evolved to the position of Director of Controlling. He then moved to Orange Slovakia in 2012, where he was not only responsible for procurement as CFO, but was also deeply involved in commercial and marketing activities.

Thomas Kohler

Thomas Kohler

SVP Strategic Alliances and Digital Home & Platforms

Thomas joined BuyIn in January 2017, taking on responsibility for Strategic Alliances and DHP. In his previous position as Vice President of Product Marketing Europe in Orange, he implemented a product governance based on country demand and ensured efficient product delivery to Orange subsidiaries and partners.

From 2008 to 2011, he was Vice President for Portals and Services for the Orange Group, where he deployed the first wholesale partnerships with top-level industry players and spearheaded the deployment of Personal Cloud and online advertising products, both through partnerships. Thomas first joined the Orange Group in 1999, where he was Chief Development Officer of Orange Communications in Switzerland with responsibility for Corporate Strategy, Program Management, Quality Management and Corporate Security functions as well as Chief Commercial Officer responsible for Marketing, Advertising, Sales and Customer Care.

Albert Hauk

Albert Hauk

Senior Vice President Information Technology

Since March 2015 Albert has been working for BuyIn, responsible for IT Procurement.

Prior to BuyIn, Albert worked at DT for more than 13 years, gaining extensive experience in Procurement and Finance management positions. He joined directly from DT Group Procurement where he was responsible for IT. In this role he successfully integrated teams from T-Systems, DT headquarters and other subsidiaries in an international matrix organization including more than 17 countries. Prior to this, he established the DT Group Customer Finance department with successful engagement and cooperation of all NatCos. He started his DT career in the procurement of IT Services and Service Platforms, during which time he spent several years based abroad. Before joining DT, he worked for Henkel AG, a German based chemical manufacturer.

Board of Directors

PIERRE LOUETTE
Deputy CEO, Group General Secretary, France Carriers Division and Group Sourcing and Supply Chain, Orange

MARI-NOËLLE JÉGO-LAVEISSIÈRE
Deputy CEO, Group’s Innovation, Technology and Customer Experience, Orange

FEDERICO COLOM
SVP Group Controlling, Orange

THOMAS DANNENFELDT *
Member of the Board, Finance, Deutsche Telekom

BRUNO JACOBFEUERBORN
SVP Technology Innovation (CTO), MD Deutsche Funkturm, Deutsche Telekom

MICHAEL WILKENS
SVP Group Controlling, Deutsche Telekom

 

* Chairperson of the BuyIn Board of Directors