Network Operations

Kaveh Ranjbar

Based in Amsterdam

As former Chief Information Officer for the RIPE NCC, I was mainly involved with the planning, operation and development of the RIPE NCC's global information services as well as research and development. This included the RIPE NCC's authoritative DNS services as well as K-root infrastructure, data collection and measurement networks … More

Romeo Zwart

Based in Amsterdam (NL)

Former manager of the Global Information Infrastructure team at the RIPE NCC. More

Daniele Iamartino

Based in Italy

Computer engineering student, GNU/Linux and IETF enthusiast. I started working on RPKI BGP origin-validation while in an internship at IIJ Innovation Istitute, Japan. I'm now working on a master thesis about RPKI and mantaining RPKI.me website. More

Rossella Mattioli

Based in Greece

Rossella Mattioli is Security and Resilience of Communication Networks Officer in ENISA and works to foster security and resilience of European communication networks with particular focus on Internet infrastructure and critical information infrastructures. She holds a MSc in Engineering with main specialization in Cybersecurity at Tallinn University of Technology and … More

Robert Kisteleki

For many years I have been the leader of the Research and Development team at the RIPE NCC leading a dedicated team of thinkers to support the RIPE community by providing network research, data analysis and prototype tool development and services including RIPE Atlas and RIPEstat. As of 2023, I'm … 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

Emile Aben

Based in Amsterdam, NL

I'm a data scientist at the RIPE NCC. I'm a chemist by training, but have been working since 1998 on Internet related things, as a sysadmin, security consultant, web developer and researcher. I am interested in technology changes (like IPv6 deployment), Internet measurement, data analysis, data visualisation, sustainability and security. … More

Axel Pawlik

Axel Pawlik was the Managing Director of the RIPE Network Coordination Centre (RIPE NCC). He served in this position from 1999 to 2019, overseeing the RIPE NCC’s growth to an organisation of more than 10,000 members, including Internet Service Providers, enterprise organisations, academic institutions and others. Axel graduated from the … More

Sebastian Abt

Based in Darmstadt, Germany

Sebastian holds a Bachelor's and Master's degree in computer science from Hochschule Darmstadt and is Doctoral Researcher in the da/sec - Biometrics and Internet Security Research Group, part of the Center for Advanced Security Research Darmstadt (CASED). Sebastian's research interests include security of Internet infrastructure, cloud computing and the capabilities … More

Matthias Wählisch

Based in Dresden, Germany

Matthias is a full professor and holds the Chair of Distributed and Networked Systems at the Faculty of Computer Science at TU Dresden. He is also a Research Fellow of the Barkhausen Institut. His research and teaching focus is on efficient, reliable, and secure Internet communication. This includes the design … More