About Joost de Valk

Joost is a 36 year old web developer, SEO and digital marketer. In the early days of his career he worked in several IT companies, ranging from enterprise hosting to online marketing agencies. This allowed him to work with several large brands around the world.

In 2010 he founded Yoast, which has as its mission to allow as many people as possible to build a findable website. It empowers people through software (most notably its Yoast SEO plugin) and training . Team Yoast currently consists of around 75 people. Yoast SEO is currently available for four open source platforms and active on almost 8 million websites.

Joost and his wife Marieke live in Wijchen, near Nijmegen, where Yoast also has its main offices. Joost and Marieke have four kids:

  • Tycho (2006)
  • Wende (2009)
  • Ravi (2011)
  • Borre (2015)

Outside of work he enjoys reading,  photography and playing boardgames with  his kids.


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