About Rezolve Medical
We make the Rise, a drop foot brace with no plate under your foot. Lennart Zielstra designed it after he got drop foot himself.
Our story
Lennart Zielstra got drop foot in 2014 after an accident in the Austrian Alps. The braces he was given were bulky and fitted poorly. After studying at TU Delft, he founded Rezolve Medical in 2023 and developed the Rise. He wears it every day.
Since March 2025 he has run the company together with Joris Zielstra.
Who we work with
The Rise was clinically tested at Amsterdam UMC, with approval from the medical ethics review committee. These practices and rehabilitation centres work with the Rise.
The team
- Lennart ZielstraCEO and co-founder
- Joris ZielstraCOO and co-founder
- Pim BrouwerClinical engineer
- Gianni RapanáOrthopaedic engineer and MDR compliance consultant