International Sales

Whether you want to target a specific audience, a major city or are planning a larger campaign across several countries, our experienced team is there to help you reach the right audience, at the right time, in the right place. 


Our International Sales team have an in-depth understanding of our global portfolio of assets offering clients a single point of co-ordination, simplifying both the planning and buying process. We are able to provide specific market recommendations to international advertisers and their agencies backed-up by research and insight.

Our team is passionate and knowledgeable, excited by ideas and the creative potential of Out-of-Home media. Knowing our audiences as well as we do, we love to match innovative creative solutions with the lifestyles of people on the move.  

For more information view our interactive International Sales Brochure by clicking the image below, 

Alternatively contact one of the account managers listed below, or complete our briefing form and we'll be in touch.

  • Michel Helmes International Key Account ManagerMichel Helmes
    International Sales Director
    Tel: :+31 (0) 651 149 795

    Working in the media industry for over thirteen years, Michel has gained in-depth experience and knowledge across many different mediums including Out-of-Home, Radio, TV and Online. He splits his time living between Germany and the Netherlands and is fluent in Dutch, German and English.

  • Tanya WhiteTanya White
    International Key Account Manager
    Tel: +44 (0) 7814 918 092

    Tanya is an enthusiastic and highly motivated account manager with experience in B2B Sales and Business Development. Friendly and easy-going, she is fluent in English, Russian and Lithuanian, and passionate about Out-of-Home advertising and its creative potential.

    Tanya WhiteJack Devlin
    International Key Account Manager
    Tel: +44 (0) 7936 329 913

    Jack has experience in Out of Home media in both sales and operations roles and has a great knowledge of the more creative approaches to OOH. He has worked on creative solutions and experiential campaigns as well as a variety of standard formats, so is well placed to advise whatever your campaign. Jack is from Suffolk originaly but has been in London for 5 years and knows the city very well. 

    Pauline Yoo
    Account Manager – National and International
    Tel: +44 (0) 7703 886 632

    Pauline has broad international media experience. She has worked on both sales and agency sides in the US and UK. She was born and raised in Los Angeles, studied in San Diego and Barcelona, and relocated to London in 2008. Fluent in English and proficient in Spanish and Korean.

  • Hugo SailerHugo Sailer
    International Key Account Manager
    Tel: +33 (0) 663 750 324

    Driven by an international spirit, Hugo has been experimenting life and work in France, Austria, Denmark and Singapore. Fluent in both French and English, his passion for travel has defined him as a curious and adaptable person. Hugo has worked in several international groups in marketing and sales, he recently joined our international team and is very keen to develop his skills within the OOH advertising industry.

    Hugo SailerAgathe Le Dimna
    International Key Account Manager
    Tel: +33 (0)7 61 65 45 06

    After two years in media agency in London where Agathe was working for all types of clients from Luxury to Corporate companies as a Media Buyer for France, Benelux and Switzerland, she chosen to come back to France. She likes to work in an international environment and enjoys working in a team! She is passionate about the wine industry. She is fluent in French, English and Spanish. Adaptability is her key word!

  • Roxane Durousset International Key Account ManagerNiels Lambers
    International Key Account Manager
    Tel: :+31 6 228 078 04

    Paula Visscher-Osburg
    International Key Account Manager
    Tel: :+31 (0) 6525 53 531

    Paula is originally from Berlin, but she is living in the Netherlands for more than 25 years now. She has had different kind of jobs, but feels the most at home in a commercial environment. That's why she is now spreading her wings in the international Exertion Media team.

  • Raquel GarciaRaquel García de La Torre
    International Key Account Manager
    Tel: +34 (0) 664 414 098

    Raquel's advertising career is extensive with experience across television, radio, press, magazines and most recently, Outdoor. An extroverted and enthusiastic lawyer-turned-salesperson, Raquel enjoys the fast-paced nature of the media industry, and in particular the challenges of the negotiation process. Across the last two years with Exterion Media, Raquel has developed strong international experience and has continued to demonstrate Outdoor advertising's relevance and creative possibilities in the modern world. Her native language is Spanish and she is also fluent in English.

  • Germany, Austria, Belgium and Luxembourg
    Michel Helmes 

    USA, Canada and South America
    Tatjana Sekunda and Barbara Wylegly 

    Marleen de Backer

    Russia and Scandinavia
    Tatjana Sekunda

    Vincent Nguyen

    Raquel Garcia de La Torre

    All Other Markets
    Marleen de Backer

  • Sara Perry

    Sara Perry 
    Marketing and Business Development Manager, Group
    Tel: +44 (0) 20 7428 2884

    Alice TaylorAlice Taylor
    Marketing Executive, Group
    Tel: +44 (0) 20 7428 3697

    Charles Monthuis

    Charles Monthuis
    International Sales Analyst
    Tel: +33 (0) 155 005 422

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