Cybersecurity - Management


Reik Hesselbarth

Managing Director and Chief Financial Officer

Since 2015, Reik Hesselbarth is Chief Financial Officer of Rohde & Schwarz Cybersecurity and is responsible for the development and expansion of a common corporate platform to the five acquired companies.

In his previous position as Chief Operating Officer of Rohde & Schwarz Cybersecurity ipoque, Reik led the development of Finance, Legal, Human Resources, Customer Management and IT. Before joining ipoque in 2012, Reik worked for many years as an equity investment manager and managing director of a venture capital firm, helping start-ups and mid-sized companies to develop organizational structures and strategies for their growth. He was and is a member of various supervisory boards of fast-growing companies in the IT industry.

Christian Stüble

Chief Technology Officer

Christian Stüble is Chief Technology Officer of Rohde & Schwarz Cybersecurity. Since 2005, Christian was Chief Technology Officer of Sirrix AG before. He is responsible for the R & D area, with a strong focus on the application of current research results in product development.

In the area of cryptography and IT security, Christian can look back on an almost 20-year career with scientific stations in Dortmund, Saarbrücken and Bochum. He has already won numerous awards for his achievements, especially in technology transfer. Christian is the author of numerous scientific and technical publications and regularly invited speaker on various topics of IT security at renowned national and international conferences.

Olaf Siemens

Vice President Network & Endpoint Security

Olaf Siemens is Vice President Secure Communications at Rohde & Schwarz Cybersecurity and responsible for the further development of the product portfolio for this area. A particular focus will be on expanding leadership in line encryption and supporting international expansion.

Olaf previously held senior IT security positions, including as Chief Operation Officer of the German cybersecurity organization in Berlin (specialized in Threat Intelligence and Threat Detection) and as Director of Product Development at encryption specialist Utimaco (now Sophos). As general manager, he also managed the IT security business of TÜV Rheinland and expanded it.

Walter Schumann

Vice President Sales & Marketing

Walter Schumann manages the global enterprise and public sales of Rohde & Schwarz Cybersecurity.

Before he joined Rohde & Schwarz Cybersecurity, he held executive positions in international IT security companies and has successfully advised and implemented the integration of merged companies. He also has many years of experience in the development and expansion of dynamic technology companies and their management in the expansion and internationalization phase. Most recently, Walter was responsible for sales and marketing at G DATA Software AG.

Herbert C. Luethold

Vice President Defense & Government

As Vice President Defense & Government of Rohde & Schwarz Cybersecurity, Herbert C. Luethold is responsible for the international sales activities of governments, their diplomatic, military and intelligence representatives as well as civil organizations.

Before he joined Rohde & Schwarz Cybersecurity in early 2017, he was active in a number of reputable IT and cybersecurity companies and leads in management and executive the sales and marketing segments. With 25 years of experience in cybersecurity, Herbert C. has a broad portfolio of solution competencies.

Stéphane de Saint Albin

Vice President Product Strategy

Stéphane de Saint Albin is the Vice President Product Strategy of Rohde & Schwarz Cybersecurity. He came to Rohde & Schwarz Cybersecurity through the acquisition of DenyAll in December 2016. Prior to that, he served as Vice President Marketing and Business Development of DenyAll for six years.

He has over 25 years of experience in the IT industry, has worked for large and small software vendors, including Microsoft and Symantec, in Product Management, Business Development, Sales and Marketing leadership roles.

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