Mark Zuckerberg's meetings with world leaders were detailed in a new memoir by a former Facebook executive, Sarah Wynn-Williams.Zuckerberg showed disinterest in policy and politics, even refusing to meet with New Zealand's prime minister when approached by Wynn-Williams.During meetings with Russian and South Korean leaders, Zuckerberg appeared nervous and sweaty, showing little interest in international affairs.Zuckerberg's behavior, including fake gangsta handshakes and awkward interactions, was highlighted in the memoir.At a joint media appearance with Colombia's president, Zuckerberg arrived late, leading to discomfort and a shorter-than-planned meeting.During a summit in Panama, Zuckerberg's security detail accidentally shoved the president of Guatemala, causing an uncomfortable situation.An attempt to engineer a meeting between Zuckerberg and Chinese leader Xi Jinping at a summit in Peru was blocked by Xi's security detail.Wynn-Williams's account in her book reveals awkward and wild moments involving Zuckerberg and world leaders.Meta responded to Wynn-Williams' book by stating she was fired for poor performance and toxic behavior, discrediting the claims in the memoir.Representatives for Zuckerberg at Meta did not provide a comment on the book when approached by Business Insider.