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Stavros Konstantaras

Based in Amsterdam

Stavros Konstantaras is an enthusiastic all-around network engineer, holding an MSc from University of Amsterdam in the field of System & Network Engineering. His experience at NLnet Labs and the University of Amsterdam has supplied him with valuable skills and knowledge like scripting, system virtualization and network programming. He has been working with AMS-IX as a network engineer under the NOC team since 2017, which is responsible for the deployment and management of all AMS-IX instances around the world. His interests reside in the fields of network automation, routing security and protocol implementation. Stavros is an active member of the open communities of RIPE, EURO-IX, NLNOG and GRNOG and a thesis supervisor of various MSc/BSc projects at UvA.

Marcel Koch

Based in Dresden, Germany

Marcel is a first-year CS student at TU Dresden. He is a Rust and Nix enthusiast and contributes to these open-source communities, additionally he co-founded DD-IX and presented the IXP-from-Scratch RIPE Lab Article Series at RIPE89.

Kurt Kayser

Based in Franconia, Germany

Regular RIPE meeting attendee (since RIPE19); RIPE WG-Chair (Mbone-WG late 1990s); RIPE Arbiter (2001-2020) - ruled on 3 cases; RIPE Academy IPv6+Database exam co-author (2020); RIPE NomCom member (2025). RFC-Consultant: Inventor/Patent-Holder (EU+US); European-Rail-IT_Security Expert (IEC-TC9-PT63452). Previous hands-on ASN-List: AS49234 (BSI/Bund.de); AS62313 (Teamix/Proact); AS21083 (N-IX (Exchange Point Nürnberg)); AS20686 (Bisping und Bisping); AS60955 (Wavecon); AS12337 (noris network); AS12638 (VIAG Interkom/Eplus); AS1273 (ECRC/C&W).

Matthias Wichtlhuber

Based in Frankfurt Germany

Matthias is a computer networks researcher and currently serves as Team Lead for Research and Development at DE-CIX, one of the world’s largest Internet Exchange operators. In this role, he oversees DE-CIX’s research activities on Internet infrastructure measurement, security, and optimization, as well as community engagement and publicly funded projects in collaboration with partners from industry and academia. Over the past years, he has been a regular speaker at RIPE Meetings and other community events.

Babak Farrokhi

Babak Farrokhi is a Computer Scientist and Researcher with over 20 years of experience in UNIX Systems and Networking. His expertise includes IP Networking, BGP, DNS, Internet Performance, System Scalability and Network Security. He provides consulting services and develops products and services related to his expertise.

Andrew McConachie

Based in Rotterdam, The Netherlands

Andrew worked as a network and software engineer in the telecom industry for 15 years. Then in 2013 he decided to migrate away from being an engineer, so he got a Masters degree in Technology and Public Policy. Since then he has been working for ICANN supporting the technical community as a researcher and writer. He supported the Security and Stability Advisory Committee for eight years. Now he supports the Root Server System Advisory Committee, the Root Zone Evolution Review Committee, and the Address Supporting Organization. Originally from the USA, Andrew currently lives in Rotterdam, The Netherlands with his husband and cat. In his spare time he enjoys cycling, table top role playing games, and reading.

Andrei Robachevsky

Based in Amsterdam, The Netherlands

Andrei Robachevsky is a seasoned professional in the field of Internet infrastructure and cybersecurity, currently serving as the Technical Director of the Internet Integrity Program at the Global Cyber Alliance (GCA). In this role, he focuses on developing collaborative approaches to address key cybersecurity shortcomings in the Internet infrastructure, engaging with operators, researchers, and policy stakeholders. Prior to his tenure at GCA beginning 2024, Robachevsky was the Senior Director of Technology Programs at the Internet Society. During his time there, he was instrumental in launching the Mutually Agreed Norms for Routing Security (MANRS) initiative, an industry-led effort aimed at improving the security and resilience of the Internet’s global routing system. Earlier in his career, he served as the Chief Technical Officer at the RIPE NCC, where he was responsible for the organization’s IT strategy, including the management of the K-root DNS root server. Robachevsky has been actively involved in various Internet governance and technical communities. He was a member of the Internet Architecture Board (IAB) from 2010 to 2012 and participated in the Consolidated RIR IANA Stewardship Proposal (CRISP) team in 2014. In November 2024, he was elected to the Number Resource Organization Number Council (NRO NC), with a term starting in January 2025. Residing in Amsterdam, the Netherlands, Robachevsky has contributed to several research and standards publications on topics such as DNS root server performance, routing security and routing policy specification.

Rois NI Thuama

Based in London

Dr Rois is a doctor of law and brings deep strategic insight to global debates on cyber governance, resilience, and emerging threats. She has advised the U.S. Department of Defense, the UK Parliament, and major corporates worldwide on aligning security practices with legal and fiduciary obligations. Recognising a critical gap between cybersecurity, law, and business decision-making, she created the RAPID-T risk management framework — a modern, actionable model that enables boards and leadership teams to make faster, better, and more legally defensible decisions in today’s complex risk environment. Her work spans the UK, EU, and USA, covering cybersecurity governance, AI risk, and enterprise resilience. Rois is passionate about building smarter frameworks that empower organisations not just to survive - but to lead - in the digital age.

Arlin Kokkelmans

Arlin Kokkelmans recently finished his Masters in Computing Science at the Radboud University where he specialised in Cybersecurity. For his Master thesis he researched skimmer scripts in action using a hybrid analysis of JavaScript code. During his internship at SIDN Labs he researched Post-Quantum DNSSEC.

Yuriy Vykhnevych

I am Yuriy Vykhnevych, a Ukrainian engineer and entrepreneur, and the co-owner and Chief Technical Officer of Best-Link, an Internet service provider delivering connectivity to more than 120 communities across Ukraine. I have more than 15 years of experience in telecommunications, energy systems, hardware-software solution development, IoT devices design. I hold a degree in Computer Science from Lviv Polytechnic National University. I am a Senior Member of IEEE and the author of the book “System Integration Methods in the Development of a Universal Battery Management Device” (Independently published, September 2, 2025; 124 pp; ISBN-13: 979-8263003500), along with several professional publications. I also regularly speak and participate at national industry conferences. My developments have been implemented in the critical infrastructure of Internet providers and are used to ensure uninterrupted connectivity during blackouts and periods of prolonged energy instability. My current focus is on developing resilient energy and telecom systems relevant not only for Ukraine but also for global infrastructure challenges. My mission is to ensure reliable connectivity and energy autonomy for critical infrastructure in times of crisis.