M. Theresa G. Patten, PE
Vice President/Senior Geotechnical & Environmental Engineer

Ms. Patten is a geotechnical and environmental engineer with over 10 years of engineering experience and co-founder of the woman-owned Credere Associates, LLC.  Ms. Patten currently serves as Vice President.  She oversees the daily operation of the office and is principally in charge of the financial and business management of the company.  Ms. Patten’s engineering experience involved a variety of environmental and geotechnical projects including Eastern Fine Paper and Waterville Industries Brownfields projects, hydrologic design and evaluations, landfill design and construction, and geotechnical engineering evaluations and construction.  Her project responsibilities have included managing, coordinating and conducting field work associated with remediation activities, hydrogeologic and geotechnical investigations; observing and documenting construction activities and providing construction quality assurance; performing calculations to support environmental, geotechnical and solid waste design projects; performing a variety of geotechnical and hydrological computer analyses; developing environmental and geotechnical and civil design recommendations; and report writing.

Rip Patten, PE, LSP, LEED-AP
Vice President/Senior Environmental Engineer

With over 15 years experience, Rip Patten, a Senior Environmental Engineer and Vice President of Credere, has coordinated, performed and reviewed over 600 ASTM Phase I ESAs, environmental compliance audits, subsurface investigations and remediation projects for a wide range of public and private sector clients.  Regarding Brownfields programs, Mr. Patten currently serves as Program Manager and Senior Environmental Engineer for the Southern Maine Regional Planning Commission (SMRPC) Brownfields program, Brewer and Maine DEP Brownfields Programs and serves as principal-in-charge for the Westbrook Brownfields, RPC Brownfields and Nashua Regional Planning Commission (NRPC) Brownfields Programs.  Mr. Patten has demonstrated an ability to develop strong working relationship with site developers and site owners and has extensive experience and knowledge in the various funding, site eligibility, and inventory process, as well as the selection of sites that will maximize economic development potential for a community.  He is a professional engineer (PE) in the States of Maine, New Hampshire, and Massachusetts, a Massachusetts Licensed Site Professional (LSP), and a LEED-accredited professional by the US Green Building Council.

Richard S. Vandenberg, CG, PG
Senior Hydrogeologist

Mr. Vandenberg is a Senior Hydrogeologist/Geologist for Credere and has over 19 years experience in assessment, investigation, remediation and disposal of petroleum and hazardous wastes, and water related projects.  Mr. Vandenberg has managed numerous compliance, assessment, investigation, and remediation projects including Phase I and Phase II ESAs, remedial investigations, remedial action planning, 3-D groundwater flow and contaminant transport modeling, groundwater extraction and treatment system design, soil vapor extraction design, soil removals, and in-situ chemical oxidation projects for clients across New England.  He is a Maine Certified geologist and a professional geologist in New Hampshire.

Judd R. Newcomb, CG
Geologist/Assistant Project Manager

Mr. Newcomb is a Geologist for Credere with over eight years experience.  He is a Maine Certified Geologist and can assist in all aspects of a project from sample collection, field activities, and generation of reports.  Mr. Newcomb has experience in hazardous waste and petroleum related projects and has participated in compliance audits, remedial activities and site investigations for a number of sites throughout Maine and New England.  Mr. Newcomb has extensive experience in field analyses including immunoassay tests, and is trained and approved by the Maine DEP in X-Ray Fluorescence (XRF) field monitoring equipment.

Allysen Loftsgaarden
Environmental Scientist

Ms. Loftsgaarden has over eight years experience in Phase I ESAs, remedial investigations, and reporting.  She has completed over 80 ESAs for a variety of commercial, residential and undeveloped sites in Maine and New Hampshire including Phase I ESAs, Phase II Investigations, and Remedial Feasibility Studies.  Ms. Loftsgaarden’s typical responsibilities include performing site investigations, field sampling programs, onsite field analysis, working with federal, state, and local regulatory agencies as part of the regulatory records review, conducting historical research, conducting hazardous waste inventories, and report writing to determine environmental liability.  Ms. Loftsgaarden is also trained and approved by the Maine DEP in XRF field monitoring equipment.

Jonathan O'Donnell
Geo-Environmental Engineer

Mr. O'Donnell

Silas Canavan, EIT
Civil Engineer

Mr. Canavan