Princess Sera bint Saud bin Saad, the honorary ambassador of Mentor International and spouse of Prince Abdulaziz bin Talal bin Abdulaziz, has patronized a ceremony held on the occasion the 25th anniversary of the foundation of Mentor International, a charity foundation. The event was held at the Embassy of the Kingdom of Sweden in Washington, DC. The princess patronized the occasion on behalf of Queen Silvia of Sweden. Queen Silvia of Sweden is the founder and president of Mentor International.