Zak graduated from the famous National Merchant Academy of Syros. He holds a captain class A diploma. Amongst his numerous diplomas and certificates he holds life saving, fire fighting and medical certificates. Captain Zak has commanded numerous commercial yachts. He is as also an approved sailing Instructor by the Greek General Secretariat of sports. He is a happy, polite character eager to please his guests. He has also been complimented by the english film industry for his hospitality and sailing skills for a specific “Greek Odyssey” project. Being a sailing instructor his knowledge of greek islands and waters is immense. He speaks fluent english.