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International Marketing School tutors

Andy Atkins-Krüger

Andy Atkins-KruegerAndy Atkins-Krüger is the CEO of Webcertain. He has worked in international marketing for over 20 years and has been focused on international SEO since 1997. Through Webcertain Group, he has worked on hundreds of international SEO projects in all major languages and all corners of the globe and has openly shared his knowledge via Search Engine Land, Search Engine Watch, the International SEO Expert course as well as a series of digital marketing conferences around the world. Originally a trained linguist, he currently lives in Barcelona and speaks fluent German and French.

Justyna Wilner

Justyna WilnerJustyna is the Director of Yandex Media Growth Unit at Webcertain. She has more than seven years of experience in managing international and multilingual advertising campaigns. She is a certified Yandex Direct and Yandex Metrica specialist. Over the last five years, Justyna has dedicated herself to training several hundreds of professionals from globally recognised brands such as Adidas,, SAP and Airbnb on how to run online marketing campaigns. She has also spoken at many digital marketing conferences. Justyna is originally from Poland and has been living in the UK for the last ten years.

Benjamin Lefebvre

Benjamin Lefebvre Ben is the Director of Webcertain Business Solutions. With an extensive linguistic background, and over four years of hands-on search experience, Ben is familiar with a variety of different industry sectors. He also makes sure that all clients' international online marketing strategies have been appropriately adapted to each target market. Ben's areas of expertise are SEM, SMO, SEO, online PR and link building applied to international markets and project management. Originally from France, he currently lives in Canada.

Alan Lao

Alan Lao International Marketing SchoolAlan Lao joined Webcertain in 2015 and is working in the Media department. Being a certificate holder of Google AdWords, Yandex Expert and Google Analytics, he is managing campaigns across Google, Yandex, Baidu, Naver, Yahoo and LinkedIn. Alan has almost one year's experience training top Chinese brands on how to manage their international campaigns. He is from Macao and has spent some years in Taiwan and in the UK. He speaks fluent Cantonese, Mandarin, and English.

Arkadiusz Kostrzycki

Arkadiusz Kostrzycki Born in Poland and raised in Canada, Arkadiusz is the Lead SEO Strategist at Webcertain where he has been working for the past seven years. He has extensive knowledge and experience in online search, particularly in the field of technical SEO. With strong analytical skills, he provides invaluable input to developing SEO strategies, delivering SEO projects and improving online performance of clients. He's also actively involved in developing, improving SEO services and processes.


+44 330 330 9000
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I would strongly recommend the school to any professional working on international sites.
It’s very useful that it’s a workshop rather than just theory