In addition to our president Steve Hilfiker and an expert team of administrative professionals, field technicians, and environmental specialists, ERMI also assists you through our dedicated project managers,
trained to serve the following specializations:
Quick-turn and Responsive Transaction Services such as Phase I ESAs
Soil & Groundwater Sampling for Comprehensive Site Assessment
Innovative and Practical Remedial Designs and Site Restoration
Active Remediation System Operation & Maintenance
Tank Closure, Excavation of Impacted Soil, and Source Abatement
Complicated Forensic Investigations for Source Determination & Contaminant Characterization
ERMI's responsive, diligent staff maintains a high level of knowledge that allows us to serve you efficiently
(and to minimize your risk) by performing accurate environmental assessments.

Steve Hilfiker MS, LEP

Barry Murphree, PG

Tim Terwilliger, MS, PE

Amy Campbell, LEP

Jon Ascher, LEP

James Lawson, LEP

Nathan Reece

Hans Alcerro

Zackery Allison

Zachary McQuirt, EI

Shayn Hinde

Blake Roux

Olivia Hilfiker

Carol Ann Cioban

Priscilla Richardson-Rude

Tracy Pearce

Steve Hilfiker MS, LEP
President
Experience
President, Environmental Risk Management, Inc.- Founder, Director, Owner of ERMI, a licensed engineering & geology firm specializing in Phase I/II Environmental Site Assessment (ESA), site assessment, remediation and forensic consulting
- 1 of 2 Environmental Forensic Contractors for the FDEP 2006 - 2016
- FDEP Agency Term Remediation Contractor since 2014 (renewable 5-year terms)
- FDEP Qualified Assessment & Remediation Contractor No. 542 since 2000
- 2015 - 2016 - Chair, Environmental Committee, Florida Petroleum Marketers Association/Florida Retail Federation. Member of Committee since 2001
- 2011 - 2012 - Member of FDEP/Industry Joint Environmental Committee
- 1999, 2000, 2008, 2009 - President, Florida Environmental Assessors Association (FEAA)
- 1991 - 2010 FEAA Board of Directors
- 2005 - 2006 – Co-Chair, Environmental Committee, Florida Petroleum Marketers Association
- 2005 - Founding Chairman, ASTM Sub-committee on Forensic Environmental Investigations
- Member, Florida Brownfields Association, Florida Ground Water Association and Environmental Professionals of Florida
- Expert witness on 11 cases since 1999.
- General Manager, Environmental Division; Responsibilities included project management, technical oversight, research, quality assurance and quality control, and coordinating a staff of geologists, engineers, toxicologists, biologists, risk assessors and environmental specialists.
- Taught Physical Geography, Aerial Photographic Interpretation and Remote Sensing courses. Developed a Geographic Information System (GIS) tutorial package for the University of Florida.
- Bureaus of Fisheries and Wildlife, and Regulatory Affairs.
Certifications
- Licensed Environmental Professional
Education
State University Of New York, Geneseo, NYB.A. Physical Geography & Environmental Science, 1988 University of Florida, Gainesville, FLM.S. Climatology, Environmental Science, & Hydrology, 1990 CONTACT STEVE
Barry Murphree, PG
Principal Geologist
Certifications
- OSHA 40-Hour HAZWOPER Certified
Licenses
- State of Florida Licensed Professional Geologist #2664
Education
University of Mississippi, Oxford, MSBachelor of Science in Geology, 2004CONTACT

Tim Terwilliger, MS, PE
Principal Engineer
Experience
Environmental Risk Management, Inc.- Tampa- Phase I / II Environmental Site Assessments (ESAs)
- Site Assessments
- Tank Closure Assessments
- Fuel System Closure Assessments
- State-Funded Cleanup Program Sites
- Pilot Testing & Remediation Design and Implementation
- Well Drilling and Design
- Natural Attenuation Monitoring
- Brownfields Sites Assessment & Remediation
- Southwest Florida Water Management District Project Manager
- Principal Engineer
- Portfolio Manager and Engineer-of-Record - Petroleum and Agriculture Sites, Florida Petroleum Cleanup Program Sites
- Client Development Manager
- Location Leader
- Maintain office programs, Health & Safety, Sustainability
Certifications
- OSHA 40-Hour HAZWOPER Certified
- Florida Department of Environmental Protection Stormwater, Erosion, & Sedimentation Control Inspector
- Hazardous Waste Permit Writers' Certification
- Transportation Work Identification Credential (TWIC)
- Federal Railroad Administration (FRA) Training
Licenses
- Professional Engineer, State of Florida, 2001
Education
University of South Carolina, Columbia, SCB.S. Engineering Chemical Engineering, 1996 University of South Florida, Tampa, FLM.S. Environmental Engineering, 2006CONTACT TIM

Amy Campbell, LEP
Senior Project Manager
Her responsibilities at ERMI include: Project management, upper-level technical report writing, limited remediation design, data interpretation, client communications, scheduling and management of personnel, mapping, field sampling/oversight, contracting, training, business development and marketing.
Experience
Environmental Risk Management, Inc. - Jacksonville- Phase I ESAs throughout Florida and Georgia
- Phase II ESAs throughout Florida
- Tank Closure Assessments
- Natural Attenuation Monitoring (NAM)
- Site/Contamination Assessments
- Limited Scope Remedial Action Plans
- Low-Scored Site Initiative (LSSI) Assessments
- Low Scored Assessments (LSAs)
- Environmental Forensics
- Spill Prevention, Control and Countermeasure (SPCC) Plans
- Insurance Claim Reviews
- Insurance Claim Investigations
- Forensic Investigations
Certifications
- Licensed Environmental Professional
Education
Florida Gulf Coast University, Fort Myers, FLBachelor of Science in Environmental Studies, Minor in Environmental Education, 2007
CONTACT AMY

Jon Ascher, LEP
Project Manager
Experience
Environmental Risk Management, Inc. – Fort Myers- Phase I and Phase II ESAs
- Site/Contamination Assessments
- Limited Scope Remedial Action Plans
- Low-Scored Site Initiative (LSSI) Assessments
- Pilot Testing
- Well Drilling oversight and testing
- Geoprobe / Direct-Push Technology (DPT) oversight
- Natural Attenuation Monitoring
- Phase I and Phase II ESAs
- Geophysical survey oversight
- Evaluate site specific remedial technologies
- Drill crew assistance
- Designing various contamination maps
- Air quality, mold, dust sampling in residential and commercial spaces
- Subsurface Soil, Soil Vapor and Groundwater Investigations
Certifications
- Licensed Environmental Professional
- OSHA 40-Hour Certified
- NYSDOL Certified Air Monitor Technician
Education
SUNY Oneonta, Oneonta, NYB.S. Environmental Sciences Planning, 2013
CONTACT JON

James Lawson, LEP
Project Manager
Certifications
- Licensed Environmental Professional
- OSHA 40-Hour HAZWOPER
- AHERA Asbestos: Inspector, Certificate No. 120033-2295
- AHERA Asbestos Contractor/ Supervisor Certificate No. RTS020918SI-01
- Florida Licensed Mold Assessor: MRSA2597
Education
University of South Florida, Tampa, FLBachelor of Arts in Environmental Science, 2010
CONTACT JAMES

Nathan Reece
Associate Scientist
Experience
Environmental Risk Management, Inc. – Fort Myers- Site/Contamination Assessments
- Remediation Construction and O&M
- State-Funded Cleanup Program Sites
- Pilot Testing
- Source Removal/Large Scale Excavations
- Well Drilling oversight and testing
- Geoprobe / Direct-Push Technology (DPT) oversight
- Air, Water and Soil Sampling
- Site Mapping and Field Reconnaissance
Certifications
- OSHA 40-Hour HAZWOPER Certified
Education
Florida Gulf Coast University. Fort Myers, FLBachelor of Arts in Environmental Studies, 2015

Hans Alcerro
Senior Technician
Experience
Environmental Risk Management, Inc. – Fort Myers- Site/Contamination Assessments
- Remediation Construction
- Operation and Maintenance (O&M)
- State-Funded Cleanup Program Sites
- Pilot Testing
- Source Removal/Large Scale Excavations
- Well Drilling oversight and testing
- Geoprobe / Direct-Push Technology (DPT) oversight
- Air, Water and Soil Sampling
- Site Mapping and Field Reconnaissance
- Subsurface Soil and Groundwater Investigations
- Remediation Construction and O&M
- Pilot Testing
- Miami River Dredging Project Oversight
- Auto Sampler Operator
- Surface Water and Sediment Sampling
- Localization and Soil Sampling using Global-Positioning System (GPS)
Certifications
- OSHA 40 Hour HAZWOPER Certified
- UFL TREEO Groundwater Sampling SOP Course
- NIOSH-582 Asbestos Sampling Certificate
- Certified Mold Inspector 11343
Education
Rasmussen CollegeBachelor of Science in Business Management, 2018

Zackery Allison
Staff Scientist
Mr. Allison graduated from Gustavus Adolphus College with a Bachelor’s degree in Environmental Studies in 2017. His experience includes an emphasis on risk assessments and soil and groundwater sampling in association with contamination assessments at a broad range of sites throughout Florida. His responsibilities at ERMI include mid-level field technician, site sampling and oversight, field lithology, client relations and training.
Certifications
- OSHA 40-Hour HAZWOPER Certified
Education
Gustavus Adolphus College, St. Peter, MN
Bachelor of Arts in Environmental Studies, 2017

Zachary McQuirt, EI
Staff Engineer
Experience
Environmental Risk Management, Inc. – Fort Myers- Site/Contamination Assessments
- State-Funded Cleanup Program Sites
- Well Drilling Oversight and Testing
- Geoprobe / Direct-Push Technology (DPT) Oversight
- Air, Water and Soil Sampling
- Site Mapping and Field Reconnaissance
- Quality Assurance and Quality Control Review
- Data Interpretation
Certifications
- Engineer Intern Certificate
- OSHA 40-Hour HAZWOPER Certified
- Maintenance of Traffic (MOT) Intermediate Certified (#47982)
- Stormwater Management Inspector (#31225)
Education
Florida Gulf Coast University, Fort Myers, FLBachelor of Science in Environmental Engineering, 2018
Florida Gulf Coast University, Fort Myers, FL
Bachelor of Science in Civil Engineering, 2018
University of Florida, Gainesville, FL
Bachelor of Science in Business Management, 2004

Shayn Hinde
Staff Engineer
Mr. Hinde graduated from the Florida Gulf Coast University with a Bachelor’s degree in Environmental Engineering in 2018. His experience includes quality control and assistance on risk assessments and soil and groundwater sampling in association with contamination assessments. His responsibilities at ERMI include mid-level field technician, site sampling and oversight, field lithology, project assistance, client relations and training.
Certifications
- OSHA 40-Hour HAZWOPER Certified
Education
Florida Gulf Coast University
Bachelor of Science in Environmental Engineering, 2018
Blake Roux
Staff Geologist
Mr. Roux graduated from the University of South Florida with a Bachelor’s degree in Geology in 2016. His experience includes an emphasis on risk assessments and soil and groundwater sampling in association with contamination assessments at a broad range of sites throughout Florida. His responsibilities at ERMI include mid-level field technician, site sampling and oversight, field lithology, client relations and training.
Certifications
- OSHA 40-Hour HAZWOPER Certified
Education
University of South FloridaBachelor of Science in Geology, 2016

Olivia Hilfiker
Staff Scientist
Ms. Hilfiker graduated from the Florida Gulf Coast University with a Bachelor’s degree in Environmental Studies in 2018. Her experience includes water quality research and assessments and soil and groundwater sampling in association with contamination assessments. Her responsibilities at ERMI include mid-level field technician, site sampling and oversight, field lithology, project assistance, client relations and training.
Certifications
- OSHA 40-Hour HAZWOPER Certified
Education
Florida Gulf Coast University
Bachelor of Science in Environmental Studies, 2018

Carol Ann Cioban
Project Analyst

Priscilla Richardson-Rude
Accounting Administrator

Tracy Pearce
Executive Assistant