Johan Georg Granström

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is a senior software engineer at Google Zürich, where he has contributed to several public launches and submitted ten patent applications since joining Google in 2011. He studied intuitionistic type theory under Per Martin-Löf, who invented the subject. His PhD thesis is published by Springer under the title "Treatise on Intuitionistic Type Theory". Johan is an active member of the academy: he has published several books and scientific papers; he is a reviewer for Zentralblatt MATH; he has delivered dozens of public lectures; and he is frequently consulted as a referee, both internally at Google and for external conference and journal publications.