Taekwon-Do career: 1968-2021 = 53years
On September 1968 at the age of 15, after having played soccer for 6 years, started to train in Taekwon-Do. 
Black Belt Promotions: 
1972 : 1st degree 
1974 : 2nd degree
1977 : 3rd degree
1981 : 4th degree
1985 : 5th degree
1990 : 6th degree
1996 : 7th degree
2003 : 8th degree
2010 : 9th degree
Other achievements
Competitor career:
* 7 times Dutch National Champion period 1970-1978
* European Champion in sparring category -63 kg on 1976
Chairman career:
* Chairman of Tournament & Umpire Committee for the All European Taekwon-Do Federation (AETF) from 1993 to 2005
* Chairman of Tournament & Umpire Committee for the International Taekwon-Do Federation (ITF) from 1994 to 2005 (not the year 1999)
President
President of the All European Taekwon-Do Federation (AETF) period 2004 to 2006
Coach
* National coach for the Netherlands from 1981 to 1987
* National coach for Italy from 1987 to 1992
Technical Director
Technical Director for the Italian Taekwon-Do Federation from 1992 – present
Board of Directors Member
* International Taekwon-Do Federation (ITF) 2003-2007 – treasurer
* International Taekwon-Do Federation (ITF) 2007- march 2011 – secretary general
* International Taekwon-Do Federation (ITF) march 2011 – 2019 – Director
Technical & Instruction Committee Member
* Responsible for the ITF under Gen Choi Hong Hi named to set the rules and regulations and promote pre free arranged sparring period 2000-2001
* Member of the ITF Technical and Instruction Committee from 2003 to 2015
Seminars
* + 15 Umpire Courses in Europe and rest of the world
* 56 IIC courses for the ITF worldwide and instructed over 6000 black belts
* +100 private seminars
Travelling
Visited over 50 countries as a competitor, coach, organizer, member of board for the AETF and/or ITF