Who is Mark Rutte, the new NATO Secretary General, and what challenges does he face?

After 10 years at the helm of NATO, Jens Stoltenberg's tenure has come to an end, and with the approval of all 32 members of this military alliance, Mark Rutte, the Prime Minister of the Netherlands, will begin his work as the new Secretary General of NATO from October this year. But who is Mark Rutte, what is his background, and what challenges lie ahead for him? Mark Rutte was born 57 years ago in The Hague, Netherlands. He has led the center-right party 'People's Freedom and Democracy' and has governed four different administrations in the Netherlands since 2010. Due to his charismatic and unique personality and his resilience against criticism, he has been nicknamed 'Mark Teflon.' After years in power in the Netherlands, Rutte announced last summer that he intended to resign as Prime Minister due to internal disagreements. Rutte has not only set the record for the longest premiership in Dutch history but also ranks second among current European leaders, after Hungary's Viktor Orban. In recent months, while many discussions about Stoltenberg's successor have circulated, apart from Mark Rutte, Klaus Iohannis, the President of Romania, was also mentioned as another candidate for the position, but he officially withdrew from accepting this responsibility, leaving the Dutch politician as the sole candidate for NATO leadership. Eastern European countries criticized Rutte for his support of the Russian Nord Stream 2 gas pipeline project after 2014, but ultimately they agreed to the arrangements made with Rutte's involvement. Another criticism directed at Rutte is the Netherlands' failure to meet the target of allocating at least two percent of the country's GDP to military and defense industries. After 14 years of Rutte's continuous presence at the helm of power in the Netherlands, the fifth-largest economy in Europe has still not achieved this set goal, although according to NATO's latest report, the Netherlands is expected to reach this target this year. Member countries have recently agreed to achieve the goal of allocating at least two percent of GDP for military purposes, a matter that has been raised by various U.S. presidents for years. Rutte will begin his work at NATO while facing the main challenge of the Ukraine war. After two and a half years of Russia's invasion of Ukraine, Rutte's task of keeping continued support for Kyiv united will not be easy, especially if Donald Trump returns to the White House in the upcoming elections this November. Trump has previously threatened that if European countries do not pay their expected share to NATO, he would not only withhold support for Europe against a potential Russian attack but would even encourage Putin to take such action. As a result, there are many uncertainties regarding NATO's future if Trump is the U.S. president. However, Rutte has a point of strength here as well, which is his relatively good relationship with the former U.S. president. He hopes that Washington will consider Russia's actions as a threat not only to 'collective security' but also to U.S. interests. Rutte once stated that Trump was right to insist that European countries were not spending enough on military expenses. He said, 'Trump was absolutely right that we are not spending enough on military expenses. When he was president, the U.S. economy accounted for about 50 percent of NATO and spent about 70 to 75 percent of NATO's budget. As a result, other countries only spent 25 percent. He was completely right that he forced us to raise our commitments to two percent.' Rutte is a staunch supporter of Ukraine, emphasizing the need to confront Russia; however, it remains to be seen how the internal political developments in member countries will unfold in the coming months and how changes in leadership will shape new directions in this transatlantic alliance. Many consider Rutte, due to his years of experience in power in the Netherlands and working with various parties, to be a negotiator who has the ability to persuade and deal with different groups, making him a suitable figure for NATO leadership, especially during a Trump era. Conversely, a more pessimistic group believes that if Trump returns to the White House, NATO will no longer be the military alliance it once was, and this transatlantic coalition will trend towards divergence, whether with Rutte or without him.