4 essentry team members

About us and our management team.

About essentry

We understand enterprise requirements.

essentry originates from the demanding data center industry where high security facilities are an absolute necessity. We offer this sector and others the highest level of access security, taking into account strict requirements for data protection, data security and compliance standards. We have industrialized these standards in our products, enabling other organizations and industries to apply them. We have years of experience in integrating software and hardware into existing building management systems and have therefore designed our solutions to be flexible and customizable.

Leadership Team

Dennis is co-founder and CEO of essentry.
He gained industry experience in projects at Deere & Company, SAP SE, BASF SE, and DFL Deutsche Fußball Liga. He is also Founding Partner of Anyon, a leading German PropTech venture fund.

Christian is co-founder and Head of Technology at essentry.
He has over 10 years of professional experience as a software engineer. Before joining essentry he worked as a software developer at SAP SE.

Andreas has 20 years of experience as a Sales and business leader and helped to build up the DACH region with various start-ups in the technology sector like Rackspace, Panaya, and Netviewer.

Nikolai is responsible for Operations at essentry. Before joining essentry, he has been building startups in both management and investor roles, among others at Rocket Internet, Anyon and Helpling.

Marcus Köhler

Vice President Partnerships

Marcus has over 30 years of experience in the IT industry and has had national and international sales manager responsibilities in companies such as Hewlett-Packard, Rittal and e-shelter.

Advisory Board

Rupprecht Rittweger

Co-Founder & Senior Advisor

Rupprecht Rittweger is a serial entrepreneur and co-founder of essentry. He is the managing director of Investa Holding GmbH. He also founded e-shelter and made it one of the leading data center companies in Europe. In 2003, he founded e-shelter security GmbH, where he now drives growth in the areas of security technology, digitalization and IoT applications.

Frank Brandenburg is senior advisor of essentry. He has many years of experience in the IT security industry in prominent positions. He is the former CEO of NTT Com Security AG and former Global COO of NTT Security.

Klaus Vitt

Senior Advisor

Klaus Vitt is Senior Advisor at essentry. He is a former State Secretary and was the Federal Government Commissioner for Information Technology until 2020. Before that, he held several management positions in the IT and telecommunications industry.

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