Sanne Ramakers graduated from the PABO in 2002 and almost immediately started her website JufSanne.com. In 2005 she wrote the traffic guide "Wegwijs" for toddlers, commissioned by Uitgeverij Malmberg. This was the start of doing authoring work for various educational publishers. Sanne is the founder of Kindergarten University. She coordinates, is editor-in-chief, author and workshop leader at Kindergarten University.