Ronald van Heerwarden headed the Limb Reconstruction Centre and the Limb Deformity Reconstruction Units of the Sint MaartensClinics in the Netherlands until 2016.
He has been working as a consultant for osteotomies in the International Knee and joint Centre in Abu Dhabi since 2015, and in 2016 he moved to the new Centre for Deformity Correction and Joint Preserving Surgery in Kliniek ViaSana, Mill, the Netherlands. In 2019 he started as a consultant at the London Knee Osteotomy Centre of the Wellington and Portland Hospitals in London.
He was appointed Chairman of the ESSKA Osteotomy Committee in February 2016, and currently serves as Vice-Chairman.
In the past decade, until August 2014, he was a member of the AO Knee expert group which is responsible for development of new osteotomy techniques, osteotomy instruments (e.g. sawguides) and the TomoFix plates. He has performed research projects on conservative treatments of monocompartmental OA and surgical treatments with osteotomies at different centres in Europe.
In recent years he co-edited Osteotomies for Posttraumatic Deformities with René Marti, and Osteotomies Around the Knee with Philipp Lobenhoffer, Alex Staubli and Roland Jakob. Ronald has also co-edited a German book on osteotomies around the knee which was published in a second edition in 2014. For these books he produced 17 chapters and 9 case presentations.
Ronald co-edited the January 2013 KSSTA special issue on Osteotomies around the Knee. He has authored or co-authored more than 90 articles on deformity analysis, osteotomies around the knees and joint preserving surgery since 2004, and has been an invited speaker at osteotomy meetings all over the world.