Network Operations

Koen van Hove

Koen van Hove is a researcher at the University of Twente on the topic of network security, with a focus on DoS-risks. His most notable contributions are to the DDoS Clearing House and RPKI Relying Party Resiliency Platform. More

Kjerstin Burdiek

Kjerstin Burdiek is a Communications Officer at the RIPE NCC. She joined the RIPE NCC in 2021 with a background in linguistics. More

Christer Weinigel

Christer Weinigel is an independent contractor focusing on embedded software and working close to the hardware. At Netnod, he has worked on the NTS RFC and has recently been focused on Netnod's FPGA implementation of the NTP and NTS protocols. More

Kathleen Moriarty

Kathleen Moriarty, technology strategist and board advisor, helping companies lead through disruption. Adjunct Professor at Georgetown SCS, also offering two corporate courses on Security Architecture and Architecture for the SMB Market. Formerly as the Chief Technology Officer, Center for Internet Security Kathleen defined and led the technology strategy, integrating emerging … More

Ondřej Caletka

Based in Amsterdam

Ondřej Caletka joined the RIPE NCC in 2020. He works as a technical expert in the Learning and Development team. His main responsibility includes developing and operating the lab environment for training courses and online learning. Ondřej graduated from Czech Technical University in Prague and worked as network services administrator … More

Francesco Ferreri

Based in Rome, IT

I took my master's degree in Computer Engineering from Tor Vergata University in 2004, and started working with Namex shortly after. Since those early years I have supervised the technical and infrastructural development of the exchange point, firstly as a member of the technical staff and then, starting from 2008, … More

Sebastiaan Bosman

Based in The Hague, the Netherlands

Sebastiaan Bosman is Product Marketing Manager at Cybersprint. With a background in Communications and Linguistics, he is responsible for most internal and external communication. He creates content based on Cybersprint’s own research data and product positioning. Previously, Sebastiaan worked as Content & Communications Advisor at ING Global. More

Alun Davies

Based in Amsterdam

Hailing from a research background in philosophy, linguistics and computer science, I came to the RIPE NCC back in 2016 and took on the role of RIPE Labs Editor in 2020. More

Lars-Johan Liman

Based in Stockholm, Sweden.

Lars-Johan Liman, M.Sc., works as Senior Systems Specialist at Netnod in Stockholm, Sweden. He is responsible for Netnod's root name service for the Domain Name System (DNS), and has spent more than 30 years plumbing and tinkering with the DNS. Over time he has worked with just about every aspect … More