Frank de Boer is a Dutch former professional footballer and former manager. De Boer spent most of his playing career with Ajax, winning five Eredivisie titles, two KNVB Cups, three Super Cups, one UEFA Super Cup, one UEFA Cup, one UEFA Champions League, and one Intercontinental Cup. He later spent five years at Barcelona, where he won the 1998–99 La Liga title, followed by short spells at Galatasaray, Rangers, Al-Rayyan and Al-Shamal before retiring.
De Boer is the third-most capped outfield player in the history of the Netherlands national team, with 112 caps. He captained Oranje to the semi-finals of both the 1998 FIFA World Cup and UEFA Euro 2000.
After retiring from playing, De Boer went into management with the Ajax youth team and as assistant to Bert van Marwijk with the Netherlands national team. In December 2010, he took over as manager of Ajax and went on to win the Eredivisie title in his first season. In 2013, he received the Rinus Michels Award for manager of the year in the Netherlands after leading Ajax to their third successive Eredivisie title. The following year, he became the first manager to win four consecutive Eredivisie titles.