oren4dLEADER. Gertraud Orend had studied Genetics, Biochmemistry, Pharmacology and Organic Chemistry and is currently leading the OREND-Tumor MicroEnvironment Group in an INSERM unit in Strasbourg.Brian Orend is the Director of International Studies and a professor of Philosophy at the University of Waterloo in Waterloo, Ontario.. Orend's works focus on just war theory and human rhts.He