Dr. van der Loo has been employed by Cincinnati Children's since 2002 where he is the Director of the Aseptic Processing Laboratories, an ISO Class 7 and 8 cleanroom facility for the manufacture of GMP-grade viral vectors and manipulation of GMP/GTP-grade cellular products for phase I/II Clinical Trials in compliance US federal and European guidelines. In addition, he is the Director of the Vector Production Facility, the Director of the Research Viral Vector Core and the Chair of the CCHMC Institutional Biosafety Committee (IBC). His previous appointment as Assistant Professor (1998-2002) was with the Department of Hematology/Oncology and Transplantation, at the University of Minnesota School of Medicine, in Minneapolis, MN.