Queen Maxima of the Netherlands attends a panel discussion at the W20 women's empowerment summit sponsored by the Group of 20 major economic powers on April 25, 2017 in Berlin. On her first official trip as presidential adviser, Ivanka Trump appeared on a panel with high-powered guests, also including IMF chief Christine Lagarde and Queen Maxima of the Netherlands, on Women's Economic Empowerment and Entrepreneurship.