The elastix project is still under governance and supervision of the original lead developers Marius Staring and Stefan Klein.
Nowadays many subprojects of elastix exist and the supervision of these projects is also in hands of several other developers/scientists. The subprojects and their main other supervisors are:
elastix: Niels Dekkerelastix model zoo: Viktor van der Valkelastix_napari: Viktor van der Valkelastix docker image: Viktor van der ValkSimpleElastix: Kasper MarstalITKElastix: Matt McCormick, Dženan Zukić