About Catenda

Ole Jørgen Karud

Ole Jørgen is the managing director of Catenda AS. He is a former researcher / senior researcher at SINTEF Building and Infrastructure, He was the Head of Department at EDB Guppen and at SWECO Grøner. Ole Jørgen has long experience in entrepreneurial activities and affiliations. He’s been the project manger of several development project on buildingSMART, communications and changing business processes in the construction industry . He was the project manager and national coordinator of the Nordic EU project CREDIT and is currently the project manager of IfdSignon.

Ole Jørgen  has a degree on MSc from the Norwegian Institute of Technology. He is a Business Economist from BI and  has a PhD from NTNU ( in building and productivity analysis).

Mobile: +47 952 55 450

E-post: ole.jorgen.karud(at)catenda.no

Håvard Bell

Håvard Bell  is the sales manager and technology officer at Catenda AS. He worked four years as a senior developer for Interlect in Tokyo before he in 2004 begun his work as researcher at SINTEF Building and Infrastructure. He has 9 years of research experience and has worked specifically with the development and implementation of buildingSMART standards. He’s member of the model support group (MSG) in buildingSMART International and has been project manager for several large development projects aimed on improving the flow of information in building projects with the use of buildingSMART standards and technology. He has extensive experience in Web technology, also as a developer, and speaks Japanese.

Håvard has a PhD from the University of Tokyo and a MSc from the Norwegian Institute of Technology (both in numerical analysis)

Mobile: +47 98 88 29 29 E-post: havard.bell(at)catenda.no

Lars Bjørkhaug

Lars Bjørkhaug is the product manager at Catenda AS. He has extensive experience in the construction industry, from practical work as a carpenter, later civil engineer, researcher and senior researcher. He has a total of 10 years of research experience from research at SINTEF Byggforsk. At SINTEF, he was responsible for several development projects under the buildingSMART umbrella. Mostly related to the ontolgy development of the buildingSMART data dictionary (IFD) one of the three buildingSMART standards. Lars has been heavily involved in the develoment of both the IFC, IFD and IDM standards and is currently a member of the Tecnical Committee of IFD. He has worked with building process with focus on information management and semantic systems since 1999.

Lars is a Civil Engineer from Bergen Engineering University, MSc from the NTNU and Universidade do Porto in Portugal.

Mobile: +47 95 15 69 05 Email: lars.bjorkhaug(at)catenda.no

Dag Fjeld Edvardsen Dag is a senior in consulting engeneering at Catenda AS. He worked from 1999-2001 at the Frisch Centre, and from 2001-2009 at SINTEF Building and Infrastructure.

Dag’s experience in research and development range from development of IDM’s for Service Life Planning and Energy Calculation, -developing software tools for simulations for NVE, computer programs for benchmarking / efficiency calculation / visualization using the DEA method as well as experience from many other research projects. He has written many reports of empirical computational efficiency in the building, construction,government provision of services (tax, hospital, college, employment), nursing / care and other sectors. – He participated in research projects at SINTEF on topics such as public / private cooperation, Economic costs of Universal Design- He Participated in the projects that go on the future practice of software development at SINTEF (“SISAS”) – He participated in the project “SysLife” how it should develop a system for structuring / calculate the AOM-relevant information for the Norwegian power system (production and transmissions production).

Dag is graduated in business economics at Kongsberg Ingeniørhøgskole, economics at University of Oslo and doctoral in economics from the University of Gothenburg

E-post: dag.fjeld.edvardsen(at)catenda.no

Jan Erik Askjellrud

Jan Erik is a senior systems developer at Catenda AS. He has extensive knowledge and experience in programming and has worked on building smart technology since 2007. He has on of the lead developers of SINTEF Building Knowledge Systems (Byggforskserien) where he created a complete editorial and web publishing solution for the institute. Jan Erik has worked with development projects to the IFD API since 2006 and has made IFD Toolkit based on Google Web Toolkit. In Catenda he is a key developer involved in all of our projects.

Jan Erik holds an MSc from the University of Oslo in computer science.

Mobile: +47 46 69 53 63 E-post: jan.erik.askjellrud(at)catenda.no

Anders Hjellvik

Anders is the system developer in Catenda AS. He is a graduate MSc from the NTNU. There he studied computer science with a specialization in artificial intelligence. He wrote a thesis on self-organization in artificial neural networks, where the goal was to simulate biological learning in a simulated robot.Anders is now working on developing web applications mainly related to the IFD API and BIMserver.

Anders hold an MSc from the NTNU.

Mobile: +47 476 43 474 E-post: anders.hjellvik(at)catenda.no

Kristian Vedvik Holm

Kristian is the system developer in Catenda AS. He has comprehensive  knowledge and experience in system specifications, programming and programming management, particularly in the building smart technology, Web, BOS and various visualization tools.

Kristian has previous experience as a developer and development manager from Octaga and Creuna.

Kristian holds an MSc from the University of Oslo in computer science.

Mobile:934 19 228 Epost: kristian.holm(at)catenda.no