We're a nationally recognized leader in environmental due diligence with a commitment to excellence, accuracy, and client satisfaction across our 76 locations.
From our humble beginnings to becoming one of the nation's leading environmental consulting firms
Founded with a vision to provide exceptional environmental due diligence services nationwide, Phase 1 Environmental Consulting has grown from a single office to 76 locations across the United States. Our expansion has been driven by our commitment to excellence, deep technical expertise, and unwavering dedication to client satisfaction.
Our team of over 200 environmental professionals includes geologists, engineers, scientists, and specialists who understand the unique environmental challenges in each region we serve. This combination of national expertise with local knowledge allows us to deliver comprehensive, accurate, and timely environmental site assessments for commercial real estate transactions, lending requirements, and regulatory compliance.
Meet the experienced professionals who guide our nationwide operations
With 19 years of experience in environmental due diligence, Junior leads our technical operations across all 76 locations. He holds an Environmental Science degree from Florida State University and has overseen more than 5,000 Phase I ESAs throughout his career.
Sarah brings over 15 years of leadership experience in environmental consulting. Her strategic vision has driven our expansion to 76 locations while maintaining our reputation for quality and reliability.
Michael oversees our nationwide operations, ensuring consistent quality across all locations. His background in both environmental science and business administration has been instrumental in our efficient growth.
Serving clients with local expertise across the United States
The principles that guide our work and relationships
We maintain the highest standards of technical accuracy and thoroughness in all our environmental assessments, ensuring our clients receive reliable information for their decision-making.
We understand the time-sensitive nature of real estate transactions and commit to rapid response times and efficient project management without compromising quality.
We view ourselves as partners in our clients' success, providing clear communication, transparency, and personalized service to meet their specific needs.
We are committed to supporting responsible development that minimizes environmental impact and promotes sustainable practices across the communities we serve.
Meet the experienced professionals leading our nationwide operations
With over 17 years of experience in environmental consulting, Mike founded Phase 1 Environmental Consulting NJ in 2015. A Montclair State University graduate with a degree in Environmental Science, Mike has personally performed over 2,500 Phase I ESAs and managed more than 300 UST, AST, and site remediation projects. Under his leadership, the company has expanded to 76 locations nationwide.
Thomas has been with Phase 1 Environmental Consulting since 2016. He holds a bachelor's degree in Environmental Science from St. Joseph's University in Philadelphia and is currently pursuing a master's degree through St. Joseph's of Connecticut. Thomas provides technical leadership across our nationwide operations from his base in Edison.
With 19 years in the environmental due diligence field, Junior brings extensive expertise to our team. A graduate of Florida State University's Environmental Science program, Junior oversees our technical operations and quality assurance programs across all 76 locations, ensuring consistent excellence in every assessment we deliver.
The growth of Phase 1 Environmental Consulting from regional firm to national leader
Mike Grogan founds Phase 1 Environmental Consulting NJ after years of experience with All American Environmental and Alternative Petroleum.
Thomas Lee joins the team, bringing expertise in environmental science and strengthening our technical capabilities.
Company expands to Texas and California, opening new offices and building regional expertise in these key markets.
Rapid nationwide expansion begins, with offices opening across the Northeast, Southeast, Midwest, and Western regions.
Junior Yu joins leadership team as the company reaches 50 locations nationwide.
Phase 1 Environmental Consulting reaches 76 locations across the United States, becoming one of the nation's leading providers of environmental due diligence services.
Whether you need a Phase I ESA for a single property or environmental due diligence services for multiple locations nationwide, our team of experienced professionals is ready to assist you.