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PROFESSOR DON JACOB, Founder and Creator of the Purple Dragon Don Jitsu Ryu System®, an institution founded in 1970. He was born on a small twin island of Trinidad & Tobago and has studied martial arts for over five decades but is now a US citizen.  He holds a 9th Degree Black Belt and the title (Hanshi) Grandmaster or Professor.

In his prime, he has competed in many parts of the world,  traveled to over  70   countries,  and is a  recognized international instructor.

His students compete in major tournaments in Fighting, Forms, Self Defense, Weaponry, and Demonstrations.  Professor Jacob has appeared on   National and  International television on several of the world’s most influential  channels  including  ABC’s  Wide  World of  Sports  (USA)  and  Trans  World  Sports  (UK).

He has enjoyed being featured in many  Sports  Martial  Arts and  Cultural magazines,  such as  NBL Sport  Karate  International and  Black  Diaspora magazine  (US).  His presence on the cover of the  British magazine  Oriental  Arts  –  Karate of  August  1980  was an achievement that will long be remembered.

He has done videos and starred in leading roles.  Some of these are:  Enter the  Purple  Dragon,  Battle of the  Pro-Am  Champions,  Australian  Tour  1,  2,  3,  and  Don  Jacob’s  Fighting  Techniques, among many others.

He has authored several books  –  the most outstanding  High  Impact  Jiu-Jitsu,  Purple  Dragon  Don Jitsu  Ryu  System  Manuals  1  &  2,  Fighting  Man’s  Bible,  Purple  Dragon  Marketing  Warfare,  Rape  Prevention for  Women,  The  Purple  Dragon  Rules of  Martial  Arts  Competition  Handbook,  Don  Jitsu  Ryu:  Flesh and Bone, Don Jitsu Forms 1, 2 and Techniques.

He has benefited from being featured in  The  Official  History of  Karate in  America  (The  Golden  Age  1968-1986) and   The  Black  Heroes of  Martial  Arts and thousands of newspaper articles,  talk shows, and live appearances across the globe.

Professor  Jacob was one of three Purple Dragon black belts to be made an  Honorary  Citizen of  Alameda,  California in  1984,  and was given the keys to   Honolulu,  Hawaii, and   Melbourne,  Australia.

He was honored as  “The  Unsung  Hero”  by the  U.N.C.  The government came into power in  1995.    Over two hundred standing ovations for his work have not spoiled him.

He has not been overshadowed by all of his acclaims even though he genuinely relished the ones where he received standing ovations from a  full audience at  Madison  Square  Gardens in New York City, NY;  the  Canadian  National  Exhibition, Seminars in  London,  England, and the  Middle  East.

The testimonials he has received and the commendations that have come are witnesses to the fact that he is indisputably one of the world’s   most  decorated  athlete,  and  is  ranked  among  the  top performers  and  lecturers  in  the  world.

Professor  Don  Jacob  was  inducted  into  the  World  Martial  Arts  Hall  of  Fame  in  Akron,  Ohio  USA  in  1991.  He  was  inducted  into  the  World  Head  of  Family  Sokeship  Council  Hall  of  Fame  on  May  23  and  24,  2008  in  San  Antonio,  Texas  USA.

In  the  same  year,  he  was  inducted  in  the  Kuroshi-DO  Hall  of  Fame  in  Atlanta,  Georgia  USA.

In  2010,  Professor  Don  Jacob  became  the  first  and  only  martial  artist  in  Trinidad  and  Tobago  to  receive  one  of  the  nation’s  highest  citizens  awards  –  the  Humming  Bird  Gold  Medal  –  presented  to  him  by  the  President  of  the  Republic  of  Trinidad  and  Tobago  at  the  country’s  Independence  Day  celebration  on  August  31st  at  the  Queen’s  Hall  Auditorium.

As a result of receiving Trinidad’s highest citizen award, Professor Jacob is a member of “The Distinguished Society of Trinidad and Tobago” Trinidad’s elite society for outstanding members in Trinidad.

On May 10th, 2016, Professor was once again recognized for his contributions to society and humanitarian works by the city of Newark, NJ and received a commendation from the Newark City Council.

Professor  Jacob,  the  Founder  (Soke),  and  CEO  of  the  world  famous  Don  Jitsu  Ryu  System®,  manages,  operates  and  teaches  one  of  the  finest,  largest  and  most  disciplined  Martial  Arts  institutions  in  the  world.

Professor Jacob system is taught in  50 plus  Purple  Dragon  (Dojos)   internationally Trinidad  &  Tobago, Grenada, Antigua , Tortola, St. Lucia, Cayman Islands,  USA,  Canada, and  Europe to name a few. Professor Jacob visited every continent except Antarctica.

Year  after  year,  people  come  from  all  over  the  world  to  train  with  Professor  Jacob  at  Purple  Dragon,  as  Purple  Dragon  Don  Jitsu  Ryu  System®  continues  to  transform  youth  and  adults  into  strong  and  positive  individuals.    Purple  Dragon®  has  turned  people  into  champions  and  leaders,  giving  them  a  drive  for  accomplishment  and  SUCCESS! To learn more about Purple Dragon organization visit: or email


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