Dr. Pfaff has been a frequent invited speaker at international scientific symposia, and has co-convened an AGU Chapman Conference on “Space Plasma Measurement Techniques”. He has published over 150 papers in the refereed literature with over 3000 citations and an H-index of 29. He has written a book chapter on in situ measurement techniques (1996) as well as a major review article on the ionosphere for Space Science Reviews (2012).