E-mail JoelOur staff consists of experienced engineers, geologists, and scientists working together to support your project. Each of our technical staff members has completed the initial 40-hour OSHA HAZWOPER training and annual refresher training.
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Jonathan R. O'Brien, LSP David L. Bramley, PE, LSP, LEP Edward J. Warner Nancy E. Schwenker |
Derek S. McClellan James J. DeAngelis James T. Previte Christine M. Ferretti |
Joel S. Loitherstein, PE, LSP
President
Joel Loitherstein, the founder and president of Loitherstein Environmental Engineering, Inc. (LEEI), has worked in the environmental field for over 25 years. Mr. Loitherstein received a Bachelor of Science in civil engineering from Worcester Polytechnic Institute in 1973. Mr. Loitherstein pursued graduate studies at Worcester Polytechnic Institute and the Massachusetts Institute of Technology and earned his Master of Science in civil engineering in 1987 from Northeastern University.
Mr. Loitherstein worked in sewerage system analyses from Mexico City to Niagara Falls immediately following his graduate studies. After completing his studies, he worked for several Boston area engineering firms, specializing in groundwater modeling and analysis.
Inspired by his father, who was also a civil engineer and successful businessman with his own consulting practice, Mr. Loitherstein founded LEEI in 1992. Adhering to the successful management practices of his father’s company, Loitherstein Environmental Engineering is well known in the industry for its quality and service.
Mr. Loitherstein’s work at LEEI includes hazardous waste site assessments throughout Massachusetts and New England. His work at these locations has included filing waivers, negotiating with state environmental agencies, Phase II investigations, design of Phase III remedial action schemes, and providing engineering services during remediation.
Mr. Loitherstein is a founder and past president of the Licensed Site Professional Association and past chair of the Boston Society of Civil Engineer’s Geotechnical Committee. Actively involved in the environmental community, Mr. Loitherstein is a member of the Commonwealth’s Underground Tank Storage Board and various Department of Environmental Protection work groups. His professional honors include membership in Chi Epsilon (the National Civil Engineering Honor Society), the1987 Environmental Award from the Town of Arlington, and most recently, a Certificate of Merit from the Massachusetts Environmental Justice Network, where he devotes his time and expertise.
Through LEEI, Mr. Loitherstein strives to offer high quality environmental engineering services in a comfortable work atmosphere for both clients and staff.
Jonathan R. O'Brien, LSP
Director of Operations
Jonathan O’Brien has over 13 years of experience in the environmental industry, including environmental site assessment and monitoring, subsurface assessment and remediation, aquifer analysis, complex regulatory response actions under the MCP, potable water supply treatment, UST closures and state reimbursement proceedings, GIS applications, and health and safety plan administration.
Mr. O’Brien received a Bachelor of Arts in geology from Bates College in 1992 with departmental honors. At Bates he participated in mapping and interpreting the bedrock geology of the White Mountains in New Hampshire. He is a former certified asbestos inspector in Massachusetts and a former conservation commissioner in the town of Holliston, Massachusetts.
David L. Bramley, PE, LSP, LEP
Senior Project Manager
David L. Bramley is a senior project manager with over thirty-five years of experience in the environmental field. Mr. Bramley is experienced in site assessment and remediation having served as the project manager for the investigation, remedial design, construction, and operation of a soil and groundwater treatment system at a Superfund site. He also has performed RCRA assessments, conducted multi-media compliance assessments, prepared environmental permitting documentation, prepared facility compliance plans, conducted environmental risk assessment. In addition, Mr. Bramley has extensive design and permitting experience for wastewater collection and treatment systems and commercial and residential land development.
Mr. Bramley received an M.B.A. with high distinction from Babson College in 1981. He also received a Bachelor of Science in Civil Engineering (Environmental Engineering) from Tufts University in 1969.
Edward J. Warner
Project Manager
Mr. Warner is a Project Manager at LEEI. Mr. Warner has over 20 years experience performing environmental site assessments, hazardous waste site investigations, subsurface investigations and site remediation at various confirmed and suspected petroleum and hazardous waste sites throughout the New England area. In addition to project management, field management, proposal and report preparation responsibilities, Mr. Warner has acted as Site Health & Safety Officer at many hazardous waste site locations. Mr. Warner has over eighteen years experience managing projects under the Massachusetts Contingency Plan (MCP) including; Immediate Response Actions (IRAs); Release Abatement Measures (RAMs); Limited Removal Actions (LRAs); MCP Phase I, Phase II Phase III and Phase IV site assessments/investigations; Downgradient Property Status Opinions; and Response Action Outcome Statements (RAOs). Mr. Warner has performed site remediation utilizing various cleanup technologies including; excavation, pump & treat, in-situ and ex-situ bioremediation, and chemical oxidation.
Mr. Warner received a Bachelor of Science in Earth Science from the University of Massachusetts in 1983. He also received an Associates of Science in Environmental Science from Essex Agricultural and Technical Institute in 1978.
Nancy E. Schwenker
Project Manager
Nancy E. Schwenker has over twelve years of experience in the environmental field. She is a project manager at LEEI and supervises all environmental site assessment activities at the company. Ms. Schwenker is experienced in ASTM and MCP Site Assessments, soil and groundwater sampling techniques and methodologies, asbestos assessment and abatement, regulatory compliance services, and industrial hygiene.
Ms. Schwenker received a Bachelor of Art in Environmental Science from the University of Connecticut in 1991 and completed an internship with the U.S. Geological Survey in Hartford, CT in 1994. Ms. Schwenker has studied diverse areas related to environmental science including Environmental Geology, Biology, Environmental Law, and Physical Geography. She is also a former certified Massachusetts asbestos inspector.
Derek S. McClellan
Environmental Scientist
Derek McClellan has over twelve years of experience in the environmental field. He performs ASTM and MCP site assessments and regulatory compliance services at LEEI. In addition to performing field engineering and waste management services for the Massachusetts Port Authority, Boston University, and on the Central Artery/Harbor Tunnel project, Mr. McClellan has conducted numerous CERCLA site inspections for the U.S. EPA.
Mr. McClellan, a former certified asbestos inspector, is also experienced with environmental assessment tasks, including health and safety plan preparation, air sampling, monitoring well drilling, passive and active soil gas surveys, soil and groundwater sampling, and remediation oversight.
Mr. McClellan received a Bachelor of Science in geoscience from Hobart and William Smith Colleges in Geneva, New York in 1994.
James J. DeAngelis
Environmental Scientist
James J. DeAngelis has over eight years of experience in the environmental field. At Loitherstein Environmental Engineering he performs field work and ASTM site assessments. His experience includes health and safety plan preparation, air sampling, monitoring well drilling, passive and active soil gas surveys, soil and groundwater sampling, remediation system maintenance and remediation oversight, performing soil, groundwater, and wastewater sampling, well installation monitoring, soil headspace screening, air sampling, flow monitoring, and waste disposal characterization. In addition, Mr. DeAngelis has training and experience with EPA-protocol low-flow groundwater monitoring techniques.
Mr. DeAngelis is working on a Bachelor of Science in earth and geographic science from the University of Massachusetts at Boston.
James T. Previte
Environmental Scientist
James T. Previte has over two years of experience in the environmental field. At Loitherstein Environmental Engineering he performs field work and ASTM site assessments. His experience includes air sampling, monitoring well drilling and installation, passive and active soil gas surveys, soil and groundwater sampling and remediation system maintenance. Mr. Previte has performed soil, groundwater, and wastewater sampling for various contaminants at industrial and commercial properties.
Mr. Previte received a Bachelor of Science from the University of Massachusetts at Amherst.
Christine M. Ferretti
Office Manager
Christine M. Ferretti has 18 years of administrative and office management experience. She is proficient in numerous computer applications and office systems and is integral to the quality control, budget oversight, and the successful completion of the work product for every project at Loitherstein Environmental Engineering. She is responsible for maintaining project, client, and government databases, as well as assisting in the marketing for LEEI. Ms. Ferretti also handles the Underground Storage Tank Petroleum Product Cleanup Fund 21J reimbursement process for LEEI’s clients.
Prior to joining LEEI, Ms. Ferretti administered multi-million dollar contracts and expense payables for a national retail corporation and assisted in the development and implementation of a corporate-wide customer service database.
Ms. Ferretti has completed business administration and managerial coursework and is presently enrolled in continuing education classes.