Staff Profiles

Thomas Rainier

Thomas R. Rainier Jr.

Partner/ Vice President

Tom is a partner in the firm and joined Riordan in July 2004. He is working with Tom Schell in our MD office. Tom has a BS Degree in Chemical Engineering from the University of Maryland Baltimore County (UMBC). Tom spent five years with USFilter Memcor prior to joining our team. During his time with Memcor he served as a process engineer and at different times was responsible for full scale design of membrane filtration plants, piloting and bidding of CMF and CMF-S plants on the east coast. Tom lives in Randallstown, MD with him wife Kristina, daughter Samantha and son Benjamin. He enjoys fishing, crabbing and anything related to the bay and the ocean. Tom is a member of CSWEA and CSAWWA and covers accounts in Central Maryland and New Castle County, DE