Managing Director

Ali Carl Gülerman

Chief Executive Officer

Ali Carl Gülerman has over 20 years of experience in several senior executive positions in the IT sector. He has long experience in big data and digital transformation. Ali Carl was managing director of Inforte Inc., a New York stock exchange listed company, as well as Business & Decision Germany (part of French leading BI company Business & Decision). In his previous roles he successfully established international go-to-market and growth strategies for several leading professional service and IT companies. Ali Carl studied Industrial Engineering at Technical University Berlin and Economics and Business at Stanford University in California.

Executive Staff

Dr. Christian Polster

Chief Portfolio Officer
Chief Security Officer

Until 2011 Dr. Christian Polster was executive assistant to the management board of Lufthansa Systems AG. He held previous managing positions at CSM Security Management AG and SurfControl. He studied business informatics in Vienna/Madrid and business administration in Vienna, London, Paris and Singapore. Later he received his doctorate in strategic finance.

Petra Pongratz

Chief Financial Officer

Petra Pongratz brings in several years of finance leadership experience, having held management positions in IT companies and technology companies. The proven financial specialist was in charge of accounting, controlling, legal and human resources. She studied Accounting and Controlling in Graz, majoring in English with a combination of Europe – Economics – Language – Law.

Lothar Hänsler

Chief Operations Officer

With a professional track record of more than 35 years, Lothar Hänsler held various IT management positions in Germany, the United States and Singapore. In his latest assignment of 6 years as the Head of Cybersecurity at Rolls Royce Power Systems AG, he was responsible for the setup of a Cyber Defense Center. Hänsler holds a Business Administration degree from Pforzheim University.

Chief Evangelist

Harald Reisinger


Harald Reisinger has over 20 years of experience in corporate management in the IT sector. He was the co-founder of Greentube Ltd. (sold to Novomatic). In 2001, Reisinger founded base-camp GmbH, which developed into one of the largest IT security companies in Austria. Radar Cyber Security originated from his idea for an IT risk management as a managed service. Harald Reisinger studied international business at the Vienna University of Economics and the University of Nebraska at Omaha.

Advisory Board

Thomas Hoffmann


Thomas Hoffman has over 20 years of experience in the international management of IT security companies. He was the founder of EUNET Austria and EUNET International BV. Furthermore Hoffmann also founded CSM Security Management Ltd. Hoffmann signed as Managing Director for Central Europe and advisor to the board of SurfControl. Before founding Radar Cyber Security with Harald Reisinger, Hoffmann was Sales Leader Austria for Security Services and Software Support for IBM Austria. He studied international business at the Vienna University of Economics and Business and the Concordia University in Montreal.

Jens Westernhagen


Jens Westernhagen is Investment Director at Armira and has several years of experience in the investment sector as a board member. He studied Industrial Engineering at the Karlsruhe Institute of Technology (KIT) and in the USA.

Jörn Werner


Jörn Werner is Operating Partner at Armira and has led several companies in their digital transformation process as their CEO. He has management experience from private equity owned companies, family businesses and public companies. He holds a degree in Economics and Psychology from University of Hamburg.

Dr. Gernot Hofer

Invest AG

Dr. Gernot Hofer is Member of the Board at Invest AG. Previously he gained international experience in Hong Kong and with a Vienna venture capital fund. Dr. Hofer has a degree in Business Studies from the Vienna University of Economics and was awarded a doctorate in Venture Capital and Private Equity.