About Mary 

Mary Kok-Willemsen is a Leadership Expert at FIFA,  Certified High-Performance Coach and Speaker.

Starting as one of Holland's youngest Professional Football Coaches. She was inspired by Louis van Gaal and Johan Cruijff. From the development of individual talent to building High-Performance Teams, she followed & studied their journey closely.

In 2006, she started with FC Twente Women's Football Team, being the first club to start a professional Women Team in The Netherlands. And from the start combined it with the launch of a Professional Academy for girls.FC Twente Women is still today's most successful team in the Netherlands...Many of the amateur players and coaches Mary helped develop  are now Role Models, Leaders, and Silver Medallists for the Dutch National Women Team, a decade later!

In 2015, she started Holland Football University, together with her husband Jurgen Kok, to give International Players and Coaches around the globe the same opportunities to develop their talent.

Over the years, Mary her work expanded from Football Fields to Schools, Board Rooms, Conferences and Corporates developing people to change their perceptions. To help people own their progress.

Mary's uses Football as her vehicle to INSPIRE, DEVELOP and CONNECT people. By implementing it around a Certfied High Performance Framework she accelerates growth with every person working with her. 

Contact Mary

Organisations Mary worked for

TEDx Speaker

''Equality? But what about the Boys?''

During this Inspiring and thought-provoking TEDx Keynote Mary gets the audience to think and act differently about:

  • How equality is not just about gender?
  • How to educate our children about Profit, Purpose, or both?
  • Why we are selling our boys short when talking about Equality.


Mary as Speaker



Mary loves to be on stage to inspire and challenge progress and does this in a high level game intensity! 

Her talent is her use of storytelling which grabs the attention while combining it with Strategies that are proven, and more important: Practical. You leave empowered for taking action, directly...

Previous performances include TEDx, Universities, Corporate Events, Embassies, and Coach's Conventions.


  • Talent Development, Nature or Nurture?
  • Team Performance:  How to build Legendary Teams
  • Leadership? It starts with you, time to progress.
  • Equality to the top: But what about the Boys?
  • Score Global Goals: Prizes or Priceless?
Mary as Speaker

Football Analyst

Being a former Professional Coach. Mary provides a different approach to Football Analysts during a game. While analyzing the Club and the Coach's Vision in Mind.

Previous analysis work:

  • WorldCup Men South Africa
  • Copa America Men ESPN
  • Gold Cup MEN ESPN
  • Women WorldCup France
  • beIN Sports WorldCup France

High-Performance Coach

Over the last 30 years, Mary has always been fascinated by what makes people and teams perform at the highest level.

Besides her professional coach career she became one of the few Certified High-Performance Coaches around the globe. 

Mary provides a 12 Weeks science backed High-Performance Program for individuals and teams. Only for those that are already commited to their progress. Limited spaces available.

Contact Mary