Tom Ransohoff - BDO Boston

Tom Ransohoff

Managing Director, Industry Specialty Services, BioProcess Technology Group

BDO Boston Office



Executive Summary

Thomas C. Ransohoff, M.S., is a Managing Director of BDO’s BioProcess Technology Group within the firm’s Industry Specialty Services practice. With over 30 years of experience in the biopharmaceutical industry, Tom's areas of experience include development and scale-up of biopharmaceutical processes; separations and purification technologies; cGMP manufacturing; and management of technology based start-up ventures. Prior to BDO, he served as Vice President and Principal Consultant at BioProcess Technology Consultants, Inc. Throughout his career, Tom held numerous senior-level positions within the biopharmaceutical industry. He was the co-founder of Tarpon Biosystems, Inc and of BioFlash Partners LLC, where he was President and CEO prior to the successful sale of BioFlash in 2010. He was Vice President, Operations at TranXenoGen, Inc., responsible for operations and purification process development. Prior to that he was Vice President, Bioseparations at Dyax Corp, where he was instrumental in managing a business unit to develop novel affinity separations products using phage display technology. At Repligen, Tom was Senior Director, Manufacturing, responsible for cGMP pilot plant operations overseeing clinical supply for several biopharmaceutical product candidates as well as production of critical reagents such as Protein A for commercial sale. He is a member of the Editorial Advisory Board of BioPharm Magazine and has served on a number of scientific and professional advisory boards. Tom has a Bachelor's degree from MIT and a Master's degree from the University of California, Berkeley, both in Chemical Engineering.

Professional Affiliations

International Society of Pharmaceutical Engineering (ISPE)


M.S., Chemical Engineering, University of California - Berkeley
B.S., Chemical Engineering, Massachusetts Institute of Technology