A Nationwide Leading Provider of Infrastructure Due Diligence


Our mission is to provide the highest quality engineering consultation to the public and private sectors in an efficient, accurate and timely manner.
We aim to exceed expectations so that each client feels that they are our only client.


Environmental Site Assessments (ESA)

Phase 1 Environmental Site Assessments completed to ASTM 1527 2013 Standard, satisfying All Appropriate Inquiry, as well as Phase II Site Investigations for communications towers and commercial real estate.

Transaction Screens

Transaction Screens completed to ASTM 1528 2014 Standard.

NEPA Assessments

NEPA: Full National Environmental Policy Act (NEPA) environmental assessments as well as Section 106 compliance under the Federal Communications Commission (FCC) standards.

Analytical Water Testing »

To meet NYS mandate for public schools.

Environmental Compliance Auditing

Assessment of on-site operations for a wide range of nationwide clients (from heavy industrial to retail) to determine compliance with complex local, state and federal environmental regulations.


The Lotis  Group, P.C., is an experienced group of engineers, scientists and biologists providing high-quality and personalized environmental consulting services. The Lotis Group was established in 2007 and has provided over 25,000 environmental site assessments throughout all 50 states, Canada and the Caribbean.

David Robinson
David Robinson President/CEO

David Robinson founded The Lotis Group and has served as CEO since its inception in 2007. David is a New York State Professional Engineer and an ASTM-recognized Environmental Professional. Over his 19 year professional career, David has performed over 18,000 Phase I Environmental Site Assessments in all 50 states and Canada. As CEO of Lotis, David directs the strategic direction of the company. Under his leadership, Lotis has flourished into a leader in the Environmental Due Diligence industry.

Kelly Reidy
Kelly Reidy Nationwide Phase I Manager

Since 2010, Kelly Reidy has been involved in various aspects of the environmental field with extensive experience in environmental due diligence. Kelly has completed hundreds of environmental site assessments and reports, including Transaction Screens, Phase I assessments, and intrusive (Phase II) studies that range from farmland, to shopping plazas, to heavy industrial sites.

Miles Walz-Salvador
Miles Walz-Salvador Nationwide NEPA Manager

Since 2013, Miles Walz-Salvador has been involved in various aspects of the environmental field with extensive experience in environmental due diligence. Miles has completed hundreds of environmental site assessments, including, Phase I assessments, informal biological assessments, migratory bird evaluations, FCC NEPA Checklist Reports and intrusive (Phase II) studies that range from farmland, to commercial properties, to industrial sites throughout the continental United States and Puerto Rico. Miles is a certified EPA and Colorado Asbestos Building Inspector, and has also obtained certification for OSHA 10-hour Safety & Health - Construction, OSHA 40-hour Hazardous Waste Operations and Emergency Response (HAZWOPER), and ACOE 38-hour Wetland Delineation. As the NEPA Specialist, Miles takes the lead in completing all NEPA due diligence, which includes ESA Section 7 consultation and NPA Section 106 consultation.

Doreen Perrello
Doreen Perrello Senior Project Coordinator

For over nine years, Doreen has been Lotis’ Senior Project Coordinator, responsible for the successful initiation, planning, execution, monitoring, controlling and closure of thousands of Phase I Environmental Site Assessments and numerous National Environmental Policy Act (NEPA) environmental assessments. With a background in human resources, Doreen is key to Lotis completing all projects on time and within budget.

Matthew Green
Matthew Green Environmental Analyst

Matthew Green has been working in the Environmental field, specifically with a focus in environmental policy, throughout his college career and immediately after graduation in positions at the state level, local municipality, as well as the private sector. Matthew has completed over 100 environmental site assessments as well as aided in the completion of NEPA compliance studies specifically in the telecommunications industry.

Jordan Braden
Jordan Braden NEPA Administrative Assistant

While working several previous positions that required detail oriented and precise work, Jordan gained the skills necessary to excel at NEPA Due Diligence. Since joining the team in 2020, Jordan has worked hard to gather information and create NEPA Reports within timelines and to an exceptional standard.



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