During this time, she was an instructor for many educational and workout videos, as well as a demonstrator of classical Pilates and Vbarre. 2012 she earned her PMA®CPT (Pilates Method Alliance Certified teacher) title. In 2013 she was one of the presenters for Pilates and Vbarre at the Power Pilates Conference at the Javits Center in New York.
Ilka returned to the Netherlands and founded Old School Pilates in 2015. Under the umbrella of Old School Pilates, she organized the 1. Amsterdam Pilates Day with classes, lectures, demonstrations and film to inform and inspire people more about what Pilates is all about.
In addition to working with clients in her studio, Ilka still teaches at dance schools and academies. She also gets the next generation of Pilates trainers ready with the help of the teacher training programs and continuing education workshops she offers.