• Frithjof Foss

    Managing director/ Partner UNNM

    Frithjof Foss is managing director and partner in UNION Norsk Næringsmegling AS, with 11 years of experience from the property sector. That includes three years as marketing manager at Höegh Eiendom, which included responsibility for developing retailing and commercial operations on the Arcus site at Hasle. Before that, he spent eight years on acquisition, sale and development of commercial property at Pareto Eiendom. Frithjof also has experience from the shipping business as a broker and charterer, and studied business management at the BI Norwegian Business School in Oslo.

  • Kristoffer Hagelsteen

    Partner / Leasing

    Kristoffer Hagelsteen is a letting advisor at UNION Norsk Næringsmegling AS. He previously spent five years with NAI FirstPartners Næringsmegling, working primarily on letting commercial property. Before that, he was a customer manager at Lindorff AS with responsibility for the corporate market at the banks. Kristoffer graduated with a law degree from the University of Oslo in 2004.

  • Torbjørn Hatløy

    Partner / Leasing

    Torbjørn Hatløy is a letting advisor at UNION Norsk Næringsmegling AS. He has a total of eight years of experience from the property sector, with the final six spent as a letting agent. Torbjørn holds a BSc in economics and administration from the BI Norwegian Business School.

  • Mons Knudtzon


    Mons Knudtzon is a letting advisor at UNION Norsk Næringsmegling AS. He has experience from SEB, where he worked for three years in the wealth management department while studying. Mons has also been a trainee in Pecunia. He has a BSc from the USA and the BI Norwegian Business School, specialising in economics and entrepreneurship, and an MSc from Cass Business School with a thesis on property development.

  • Thor Olav Bogen


    Thor Olav Bogen is a letting advisor at UNION Norsk Næringsmegling AS and has long experience of sales and marketing. He worked in finance for 10 years, including nine as a stockbroker with DNB Markets. Thor Olav studied at the BI Norwegian School of Business, the Norwegian School of Marketing and the University of Fribourg in Switzerland.

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