Herren received his bachelor’s degree in Chemistry from the National Taiwan University and his doctorate in Molecular and Cellular Biology from the University of Massachusetts, Amherst. He completed his postdoctoral training at The Scripps Research Institute in La Jolla, California.
Herren founded the Department of Antibody Discovery and Protein Engineering in January 2002, when he joined MedImmune as Director. He was promoted to Senior Director in 2004 and Vice-President in 2006. He was also the founding department head for Biosuperiors R&D and led this organisation for three years (2010-2013). During his tenure, Herren has successfully integrated ADPE platforms across all sites following the MedImmune/Cambridge Antibody Technology (CAT) merger