Faupel is Chairman of the North German Initiative Nanotechnology and Principal Editor of the Journal of Materials Research. He also served in the editorial boards of Applied Physics Letters, the Journal of Applied Physics, and other journals. He is member of Minerva-Weizmann Committee of the Max Planck Society, and from 2008 to 2010, he was Dean of the Faculty of Engineering. Faupel published more than 375 peer reviewed publications (> 14500 citations, h = 61, Google Scholar 22/2022). His research interests include functional nanocomposites, magnetoelectric sensors, plasma deposition, neuromorphic computing, metal-polymer interfaces, metallic glasses, and diffusion.