Agile, experienced & international

The management team of A1 Digital has many years of international experience in software and services. CEO Elisabetta Castiglioni relies on experienced managers for her team.


Dr. Elisabetta Castiglioni (CEO)

CEO Elisabetta Castiglioni brings many years of leadership experience from international senior management positions in the technology, media and telecommunications industries. Most recently, as CEO of Siemens Global Media Business, she was part of the Siemens IT Solution and Services division. Under her leadership, a globally successful business unit emerged with counting leading media and entertainment companies as customers. At MCI - now Verizon Business - she served as EMEA Product Marketing Director for the launch of innovative data solutions for the business market and was responsible for network expansion projects in Europe and the Asia-Pacific region. Born in Italy, she studied business administration at the Ludwig-Maximilians-University Munich and did her doctorate summa cum laude at the Technical University of Munich. After working in Germany and the United Kingdom, Dr. Castiglioni also worked from 2013 to 2016 in Austria as a supervisory board member of the Telekom Austria Group.

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Roland Haidner (CFO)

Roland Haidner is CFO at A1 Digital. Previously, from 2012, he headed the Mergers & Acquisitions department of the A1 Telekom Austria Group. Roland Haidner graduated from WU Vienna with a focus on controlling, strategy and CEE. Most recently, he was a member of the executive board of Telekom Austria Group's two foreign subsidiaries, Mobiltel (Bulgaria) and Vip mobile (Republic of Serbia).

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Martin Fluch (Director IT & Operations)

Martin Fluch has taken over the role of IT & Operations Director at A1 Digital in addition to his role as Director ICT Services at A1 Telekom Austria AG. Right at the beginning of his career, he founded two successful companies in the telecommunications and IT sector. Later he held various positions in telecom companies, where he worked in the fields of business development, post merger integration and technology management . Martin Fluch joined A1 in2009 and has been Head of ICT Services since 2012. In 2015, he received the CIO Award for IT Manager of the Year for his work.

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Stefan van Randenborgh (Director Partnerships & Alliances)

As Director Partnering & Alliances Stefan van Randenborgh is a member of the management team at A1 Digital. He graduated in economics from the Ludwig-Maximilians-University in Munich and completed his Masters in Business Administration at the Monterey Institute of International Studies in California. Most recently, he led Nokia organizations on partner management, IoT and Webscale Customer. Previously, he was responsible for strategy, M & A and partnering for Siemens and Nokia Siemens Networks in several international roles, as well as being a partner of an international consulting firm.

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Mathias Nöbauer (Director Cloud & IT Services)

Mathias Nöbauer, Director of Cloud & IT Services, is a member of the management team at A1 Digital. He received his Masters in Software Engineering from the University of Brighton and his MBA from the Vienna University of Economics and Business in Innovation and Entrepreneurship. Most recently he headed Microsoft Solution Sales for Cloud, Enterprise and Application Platform. Before he was responsible for several years in international roles at HP for, among other things, sales and implementation of strategic and complex customer projects in Western Europe.

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Francis Cepero (Director Vertical Market Solutions)

Francis Cepero brings more than 20 years of experience in business software and vertical market solutions to his position as Director Vertical Market Solutions. He previously served as Head of Innovation and Technology for Media, Sports and Entertainment at SAP SE. He holds a master's degree in physics and international marketing and has completed several post-graduate programs at Columbia University, as well as at INSEAD and MIT.

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Ralf Lellig (Director Market & Business Development)

Ralf Lellig has been working for International Sales at the Telekom Austria Group since 2015 and has been Director of Market and Business Development since the founding of A1 Digital in 2017. He brings more than 20 years of experience in leadership and expert functions in the ICT environment of international corporations. Most recently he held various positions at IBM including Data Center Services / Cloud, Outsourcing and Safety & Security.

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Nicolai Czink (Director Strategy & New Markets)

Nicolai Czink serves as Director Strategy and New Markets in Elisabetta Castiglioni's team. He holds a Diploma in Electrical Engineering / Telecommunications from the Vienna University of Technology and a PhD in these subjects in 2007. After research stays in Vienna and at Stanford University, he joined McKinsey & Company in 2011, most recently as Associate Partner, and led various projects in the Digital Strategy & Implementation as well as High Tech / Telco / Cloud Innovation.

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Thomas Snor (Director Security)

With Thomas Snor, A1 Digital has a security expert on board to offer customers optimal protection and secure service. He has more than 20 years of information security experience. As a consultant he has already managed complex information security solutions in the DACH area. Most recently, Thomas Snor, whose core competencies include the development and provision of enterprise security solutions, has been responsible for the Austrian market at NTT Security.

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Jens Tinapp (Director Marketing & Customer Experience)

Jens Tinapp has over 25 years of marketing experience in fast moving consumer goods (FMCG), entertainment, gaming and IT. Tinapp started his career in 1993 at GfK. Since 1999 he has been responsible for ten years Bacardi and Danone for two years in various marketing positions. Joining Microsoft marks a significant milestone in Jens Tinapp's career: within 12 years, he has worked in a variety of consumer software & hardware and cloud positions and has developed his expertise as a digital native. Most recently, he took the place of the Windows & Office 365 Marketing Lead. At A1 Digital, Tinapp is responsible for all marketing activities.

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