Roger Barnum is a Director at Jenike & Johanson, Inc. in Tyngsboro, Massachusetts. Jenike & Johanson is a specialized engineering firm focused on powder flow and associated product quality. He joined Jenike & Johanson in 1996, and has a focus in the pharmaceutical industry. He is heavily involved with investigation and consulting projects, which include scale up risk assessment, site transfer evaluation, addressing powder feed issues at tableting or encapsulation, and solving drug content uniformity problems that arise from blend handling processes. He received his B.S. in Mechanical Engineering from Rensselaer Polytechnic Institute in Troy, New York, and is a member of AAPS and ISPE.