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.
Ronald 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 Ronald co-edited Osteotomies for Posttraumatic Deformities with René Marti, and a co-edited Osteotomies Around the Knee together with Philipp Lobenhoffer, Alex Staubli and Roland Jakob as well as a co-editor for 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. He was a co-editor of the KSSTA January 2013 special issue on Osteotomies around the knee. Since 2004 he has authored or co-authored more than 100 articles on deformity analysis, osteotomies around the knees and joint preserving surgery. He has been an invited speaker at osteotomy meetings all over the world.