Roger G HarrisonRoger started sailing as a boy, and grew-up building sailing cruisers in the family business. He started a career at sea by joining the naval cadets and became one of the youngest cadet instructors at 15, and thereafter trained as a deck officer in te merchant navy. After several years at sea, he worked for various marine equipment manufacturers in R & D and technical sales and then worked as a head buyer for a major chain of chandlery shops in the UK. He gained two college national diplomas in Business & Accounting, Marketing. Roger has sailed dinghies to large superyachts, cruised & raced both offshore and ocean, as a Navigator or Skipper. He has taught recreational yachting courses to yacht master level. During the last 10 years, he has captained large motor yachts up to 30 mtrs. In 2003, Roger joined a major training organization and undertook various vocational teacher training courses. Since then, he has formed and managed several professional schools, and regularly acts as an advisor for numerous schools & colleges worldwide. Over the years, he has trained more than 1500 students at a professional level teaching the Master 200 Limited power & sail, UnLimited ocean astro for OOW's, maritime business & law, radar & pilotage navigation and radio GMDSS. He is professionally trained Archipelago Baltic pilot for small vessels. He works as a school auditor, examiner and instructor trainer. He is an active yacht industry consultant on business and owner projects, and continuously develops new teaching techniques; he is currently writing two white papers on crew working practices. Roger is the founder and managing director of the International Yacht Marine Certification Society (iymcs) headquartered in the Netherlands. Read More Read Less