Jean Sylvestre Mongrenier est chercheur à l’Institut français de géopolitique (Université de Paris VIII) et chercheur associé à l’Institut Thomas More.
Il est notamment l'auteur de La Russie menace-t-elle l'Occident ? (éditions Choiseul, 2009).
Jean-Eric Branaa est spécialiste des Etats-Unis et maître de conférences à l’université Assas-Paris II. Il est chercheur au centre Thucydide. Son dernier livre s'intitule Kamala Harris, l'Amérique du futur (Nouveau Monde éditions, collection Chronos, poche, 2024). Il est également l'auteur de Hillary, une présidente des Etats-Unis (Eyrolles, 2015), Qui veut la peau du Parti républicain ? L’incroyable Donald Trump (Passy, 2016), Trumpland, portrait d'une Amérique divisée (Privat, 2017), 1968: Quand l'Amérique gronde (Privat, 2018), Et s’il gagnait encore ? (VA éditions, 2018), Joe Biden : le 3e mandat de Barack Obama (VA éditions, 2019), la biographie de Joe Biden (Nouveau Monde, 2020) et Géopolitique des Etats-Unis (Puf, 2022).
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