Community and Events

Hans Petter Holen

Based in Amsterdam, Netherland

Hans Petter Holen is the Managing Director of the RIPE NCC. Before taking on this role in May 2020, he served as the RIPE Chair from 2014 and has been part of the RIPE community for over 25 years. He also serves as the secretary of the Number Resource Organisation … More

Chris Buckridge

Based in Amsterdam

Chris Buckridge is an independent consultant on Internet governance and digital policy. He currently serves as a member of the UN Internet Governance Forum Multistakeholder Advisory Group (IGF MAG) and the ICANN Board of Directors. From 2006-2023, he was an employee of the RIPE NCC, and prior to that of … More

Martine Sophie Lenders

Based in Berlin

I am a PhD student in Computer Science and a research assistant at Freie Universität Berlin, advised by Professor Matthias Wählisch. My primary research interest is in networking and programming for the IoT. I'm one of the maintainers in RIOT and responsible for the design and implementation of the RIOT … More

Marcin Nawrocki

Marcin Nawrocki is a PhD student and research assistant at Freie Universität Berlin, advised by Matthias Wählisch. He supports the Internet Technologies Lab with a special focus on securing the Internet infrastructure. His research includes the longitudinal deployment of honeypots, inter-domain DDoS attack mitigation as well as the security assessment … More

Rene Wilhelm

Rene Wilhelm is a senior research engineer in the R&D department at the RIPE NCC. Coming from a background in particle physics, Rene joined the RIPE NCC in 1996. His interests are in data analysis, routing, Internet measurements and visualisation. More

Gergana Petrova

Gergana Petrova is the Community Development Manager at RIPE NCC. She helps lead the RIPE NCC's engagement with a broad range of stakeholders, including the RIPE NCC membership, the RIPE community, government, academia, civil society and other Internet stakeholders. Gergana has been working for the RIPE NCC since 2013. Originally … More

Ulka Athale

Based in Amsterdam

Senior Marketing and Communications Officer at the RIPE NCC. I started working at the RIPE NCC in 2018, having previously worked in digital marketing, communications, magazine publishing and teaching. More

Anna Maria Mandalari

Based in London

Anna Maria Mandalari works as Assistant Professor at University College London (UCL). She is affiliated with the Electronic & Electrical Engineering Department and member of the UCL’s Academic Center of Excellence in Cyber Security Research (ACE-CSR). She is Honorary Research Fellow at the Institute for Security Science and Technology at … More

Vesna Manojlovic

Vesna Manojlovic is Community Builder at RIPE NCC. Vesna joined the RIPE NCC as a Trainer in 1999. In 2003, she took responsibility for developing and delivering advanced courses, such as RPSL, Routing Registry, DNSSEC and IPv6. In 2008, she lead efforts to establish IPv6 RIPEness as a measure of … More