NONOG-5 / NIX 2023

NONOG-5 / NIX 2023
Netnod are a proud sponsor and presenter at the NONOG-5 / NIX 2023 meeting in Oslo, Norway!

Date: 27 September 2023

Location: Oslo, Norway

Book a meeting with either Lars-Johan, Kaj, Leo, Karin or Siri from the Netnod team at the NONOG-5 / NIX 2023  If you have any questions please send an email to

Lars-Johan Liman

Senior Systems Specialist and co-founder

In 1996, Lars-Johan was one of the co-founders of Netnod and has worked there ever since. He holds an MSc in Engineering Physics from the Royal Institute of Technology (KTH) in Stockholm where he also worked as a Senior Systems Specialist, focusing on the operation of IP networks and Unix systems. Lars-Johan is an expert in DNS and an experienced speaker. He works globally with protocol specifications and management of the DNS system. He has held positions in organisations such as the IETF and ICANN. Lars-Johan currently serves as chair of the Customer Standing Committee (CSC) at ICANN, which audits the work of Public Techinical Identifiers (PTI), the ICANN affiliate that, among other things, administrates that DNS root zone. At a more local level, he works with the planning of Netnod operations of infrastructure systems. In addition to his work at Netnod, Lars-Johan gives courses in DNS and how the Internet works all over the world. 


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Kaj Kjellgren

Kaj Kjellgren, M. Sc.

Senior Network Architect

Kaj has worked for Netnod since 2002. He holds a Master of Science in Systems and Computer Science from Uppsala University. Before this he was the Technical Director for KPNQwest Sweden. He has also worked as a programmer at Ericsson Data and as a Technical Support Engineer at the International Atomic Energy Agency (IAEA) in Vienna. Kaj is part of the operations team and works with peering and operations. In addition to the work Kaj does at Netnod, he also runs his own company on the side.

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Letterio Leo Bernava

Letterio "Leo" Bernava

Global Interconnection Relations Manager

Leo joined Netnod in December 2020. He is responsible for building and developing relations with Netnod’s international customers. 

Prior to joining Netnod, Leo worked for 9 years in the telecom industry. His roles at C-sam AB and Telia Company were focused on building customer relations.


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Karin Ahl

Interim CEO

Before being appointed Interim CEO of Netnod, Karin spent two years as Head of Netnod Time and Frequency where she oversaw the expansion of Netnod’s time services for public and commercial use.

Karin has more than 20 years of experience in the fixed telecom network industry and has significant expertise with policy-related topics both in Sweden and on a European level. Prior to Netnod, Karin’s roles included: President of FTTH Council Europe, an industry association focused on advancing full fibre-based connectivity to the whole of Europe; Head of Sales and Marketing for the Technology and Infrastructure specialist Rala AB; and Chairman of the Board of Directors of the Swedish Local Fibre Alliance. 

Karin holds a Master of Social and Political Science degree from the University of Linköping.

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Siri Brenden

Marketing Manager

Siri joined Netnod in March 2015 as a member of the marketing team. Siri has a degree in Business Administration and has extensive experience in marketing, events, campaigns and creating marketing materials etc.

Siri has worked in a variety of other industries in sales and marketing roles. During the course of her career, she has developed a good knowledge of customer service, project management and an eye for detail. 

More about Siri