ERP has a Project Team that provides strong communication and seamless project delivery. The key personnel identified below have the expertise to provide our clients with the highest level of quality, value, and technical proficiency. The level of service offered by ERP reflects the experience, commitment to quality, and dedication of our professional staff.

Trisha Elizondo

Chief Executive Officer

Ms. Elizondo has over 20 years of experience in executing and managing complex environmental compliance, remediation, and demolition projects. She has managed large-scale, multi-million dollar environmental projects in some of the most challenging technical and regulatory contexts. Her attention to detail and collaborative style works well with ERP’s client base, as well as with the regulators who oversee these complex projects. Ms. Elizondo has lead due diligence and advisory services for ERP in support of over 50GW of renewable energy transactions. Ms. Elizondo is on the board of the Association of Women in Energy and a member of the Advisory Council for the Lady Bird Johnson Wildflower Center.

Jeremy Toohey

Chief Financial Officer

Mr. Toohey has more than 17 years of accounting experience working in Fortune 500 companies in the service and manufacturing sectors. Mr. Toohey is a Certified Public Accountant with experience in tax compliance, acquisitions, divestitures, audits, and compliance. Mr. Toohey was a CFO at a nationwide home security company with over $60 million in annual revenue. His other experience includes working for International Paper where he assisted in the acquisition of Temple-Inland, as well as, the divestiture of three large U.S. paper mills. Throughout his career, Mr. Toohey has focused on process improvement and timely, accurate and useful reporting.

Brandon Richards

Vice President, Development & Advisory Services

Mr. Richards has approximately 20 years of energy industry experience in development, technical, and project management roles. He has spent most of his career in the renewables sector, where his areas of expertise include project siting, acquisition and environmental due diligence, and all stages of development. Throughout his time as a consultant, in development and working for a global investment bank, he has divested, sited, and evaluated thousands of proposed energy projects throughout the US and internationally. In addition, he has been involved in bringing several gigawatts of wind, solar and BESS projects to the grid.

Rhonda Chaffin

Director of Human Resources

Ms. Chaffin brings decades long experience in organizational development, coaching and training, compensation and employee relations. She seeks to harness the full power of ERPs most valuable assets - their people. Ms. Chaffin is dedicated to continuing ERPs commitment to safety.

Jennifer Klingshirn

Operations Manager / Senior Project Manager

Ms. Klingshirn is involved in wind and solar project industry support and has conducted environmental and project due diligence of energy projects during various stages of development, construction, and operation throughout the US. Ms. Klingshirn has completed detailed and complex local permitting and zoning applications and associated public hearings. She has extensive experience in critical constraints and permitting analyses for proposed wind and solar projects across multiple states and has experience completing and overseeing onsite field assessments, including biological surveys, habitat assessments, cultural

Jennifer Loeffler

Director of Natural Resources

Ms. Loeffler has built a strong technical foundation while developing her environmental consulting career. Focusing within the renewable energy market, Ms. Loeffler has developed experience at all levels of a project’s lifecycle, from site selection, due diligence and constraints review, permitting and regulatory coordination, to community engagement, construction oversight, operations, and decommissioning. Her greatest strengths lie in her technical ability, specifically in the execution and management of environmental studies and anticipating how new regulations can impact renewable energy projects.

Tamara Gleason, P.E.

Senior Project Manager & Demolition Specialist

Ms. Gleason is a registered Professional Engineer with over 20 years of experience in the environmental consulting field managing programs and projects, and providing technical expertise across a wide range of environmental science and engineering projects with particular emphasis in site remedial investigations, design, and remedial action in complex regulatory and stakeholder frameworks. She has project management and technical leadership experience within the railroad, petroleum, aircraft, durable goods, chemical, energy, defense, food and beverage, metals, pesticide, thermal controls, landfill, paper and redevelopment industries.

Sean Martin

Senior Project Manager

Mr. Martin brings over 20 years of environmental consulting expertise, with a recent focus since 2019 on renewable energy development. He specializes in Clean Water Act permitting, NEPA documentation and compliance, and threatened and endangered species assessments. His extensive experience includes collaboration with key regulatory agencies, such as the USACE and USFWS, ensuring efficient project approval and compliance. With a solid foundation in municipal and transportation infrastructure, commercial development, and ecological restoration, Mr. Martin leverages his diverse background to support renewable energy clients in a dynamic regulatory landscape. His commitment to innovation and emerging technologies enables him to provide effective, forward-thinking consultation in the rapidly advancing renewable energy sector.

Dave Hazel

Land Agent Services & Construction Project Manager

Mr. Hazel began his career in meteorology while serving in the U.S. Navy as an Aerographers Mate. He applied his background in meteorology to renewable energy, developing projects across the country while studying weather patterns and designing layouts for projects from California to New York. As a project manager for several wind projects, Mr. Hazel has worked alongside local and federal officials to ensure proper permitting work was completed, and also focused on local community involvement and education. With several years of renewable energy development leadership, Mr. Hazel transitioned into a role within the renewable construction industry. As a Construction Manager, Mr. Hazel provides leadership through his variety of skill sets, and guidance while focusing on devoted safety culture and working closely with the local community.

Jerry Hobbs

Senior GIS Analyst

Mr. Hobbs has 18 years of real-world experience in mapping and geoscience. He is particularly passionate about GIS, spatial analysis, and data management, with a deep affinity for cartographic excellence. Mr. Hobbs is a determined, effective solutions developer with a diverse skill set that includes many years of hands-on experience working with multiple geospatial, design, and data management software platforms. He has extensive knowledge of geospatial technology concepts and practices; and a keen ability to absorb new information, integrate modern workflows, and utilize new technologies.

Lincoln Kauffman

GIS Analyst

Mr. Kauffman has more than 10 years of experience in mapping and geoscience. His experience is in complex mapping solutions and database administration for construction and environmental specialists. He is proficient in developing and managing geospatial workflows and procedures, ETL operations, data conversions, spatial analysis, and producing detailed exhibits. Mr. Kauffman is an asset in all stages of project development.

Daniel Roberts, P.W.S.

Senior Biologist

Mr. Roberts is a Professional Wetland Scientist with significant experience in Clean Water Act compliance. He has significant experience in completing jurisdictional wetland and stream delineations, threatened and endangered species assessment surveys, environmental assessments, natural stream restoration design, and monitoring, and NEPA/SEPA. Mr. Roberts has been involved in complex projects related/associated with after the fact permitting and responding to notices of violations. Mr. Roberts has extensive experience in technical writing, permitting, and working collaboratively with regulators to ensure his client’s objectives can be reached.

Monica Downer, M.S., P.W.S., A.G.T.A.

Wetland Scientist

Ms. Downer has over 12 years’ experience in jurisdictional wetland and stream delineations and assessments, threatened and endangered species surveys, biological and construction monitoring, wildlife relocations, NEPA/SEPA, and natural stream and wetland monitoring. She has been involved in many projects associated with 404/401 permitting, compensatory mitigation, and mitigation banking.

Emily James

Project Scientist

Ms. James is a multi-skilled environmental professional with experience in environmental compliance and permitting associated with various types of facilities throughout the country. Her skills include due diligence evaluation, soil and groundwater investigation, and remediation, environmental site assessment, creating spill prevention control and countermeasure (SPCC) plans, permitting reviews, extensive regulatory compliance research, and technical report preparation.r, spans 11 states and a wide variety of biomes.

Hunter Neblett

Staff Scientist

Mr. Neblett assists with constraints analysis for wind and solar project developments, including desktop research, wetland delineations, stream assessments, protected species surveys, constraints mapping, permitting determinations, and formal report writing. His project history of environmental planning for infrastructure, primarily related to the energy business sector, spans 11 states and a wide variety of biomes.

Will Shirey

Staff Scientist

Mr. Shirey has 5 years of experience as an environmental scientist. His experience includes Phase I Environmental Site Assessments, stream restoration data gathering, construction oversight and monitoring, vegetation management planning, NPDES inspections, design support for Stormwater Pollution Prevention Plan and developing Tier I Spill Prevention and Counter Control Measure and Oil Spill Contingency Plans.

Robby Proctor

Project Scientist

Mr. Proctor has 10 years of experience as an environmental scientist. His experience includes Phase I Environmental Site Assessments, waterbody delineations, compliance monitoring, protected species surveys, and critical issues analysis. Mr. Proctor is also an experienced unmanned aircraft remote pilot that has utilized drones for Phase I Environmental Assessments.

Alex van der Colff

Environmental Consultant

Mr. van der Colff’s experience includes critical issues analysis, due diligence, land prospecting and permitting, GIS, residential and commercial solar project management, stakeholder engagement, and interconnection application writing. His holisitc approach to project development consultation fosters rapid risk identification.

Janna Newman

Staff Scientist

Ms. Newman has experience as an environmental scientist in solar, wind, and commercial/residential development. Her experience includes critical issues analysis, wetland and waters of the U.S. delineations, protected species surveys and habitat assessments, and permitting reviews. Her prior industry experience included vegetation surveys, GIS analyses of critical wetland, and NPDES stormwater inspections.

Jayleen Ramirez

Staff Scientist

Ms. Ramirez has experience as an environmental scientist in solar, wind, and commercial real estate. Her experience includes critical issues analysis, wetland and waters of the U.S. delineations, protected species surveys and habitat assessments, and permitting reviews. Her education includes a combination of natural resource management and implementing sustainable practices.

Lauren Wyles

Staff Scientist

Ms. Wyles has experience as an environmental scientist in solar, wind and battery storage. Her experience includes protected species surveys and habitat assessments, wetland and waters of the U.S. delineations, nest clearing surveys, Phase I environmental site assessments, and wind farm bird and bat impact surveys. Her education spanned from ecology and biology to urban infrastructure, and economics of natural resources.

Emma Guest

Staff Scientist

Ms. Guest has experience as an environmental scientist in solar, wind, battery storage, commercial and industrial projects. Her experience includes waters of the U.S. delineations, critical issues analysis, Phase I environmental assessments, and bat acoustic surveys. Her expertise is geared toward supporting renewable energy projects and offering solutions to complex environmental challenges.

Michelle Kinsinger

Executive Assistant

Ms. Kinsinger has over 16 years of experience in the energy sector. She has extensive experience in energy settlements, risk management system implementation, and transmission functions. Most recently, Ms. Kinsinger has assisted with due diligence reviews, conditional use permits, prospecting, landowner outreach, and lease negotiations.