Jonathan Rosbrook O'Brien is a seasoned professional in the environmental engineering and geology fields, currently serving as a Senior Project Manager at Coneco Engineers & Scientists, Inc. since January 2018. Prior roles include Senior Hydrogeologist at Tata & Howard, Inc. from March 2011 to December 2017, and V.P./Director of Operations at Loitherstein Environmental Engineering, Inc. between February 2001 and February 2011. Additionally, Jonathan worked as a Project Geologist at Hydro-Environmental Technologies, Inc. from 1993 to January 2001. Jonathan holds a Bachelor's degree in Geology from Bates College, completed in 1992.