
OUR TEAM MAKES ALL THE DIFFERENCE IN THE WORLD
Our staff has a wide range of disciplinary expertise along with decades of experience – but we are more than just technical experts. We developed an acronym to illustrate our core values – HEART. We are:
Hardworking
Ethical
Appreciative of the opportunity to serve
Responsive
Team Player for our clients
Our ultimate goal is to develop foundational relationships with our clients – to truly understand what matters – and to provide exactly that on each and every project.

President
Mary has over 20 years of experience in a vast array of environmental, natural resources, threatened and endangered species, and permitting consulting services. She is experienced in all aspects of Nationwide, Isolated, and Individual Section 401/404 permits for large and small projects; coordinating with federal and state agencies for Threatened and Endangered Species and Cultural Resources. Mary also completes stream and wetland mitigation design as part of Section 401/404 permitting and prepares Categorical Exclusion, Environmental Assessment, and Section 4(f) and 6(f) documents related to National Environmental Policy Act (NEPA) documentation. She is familiar with all aspects of due diligence, including performing environmental site assessments (ESAs) and screenings, U.S. Army Corps of Engineers (USACE) HTRW reports, Phase II ESAs, groundwater and soil sampling, asbestos surveys, and underground storage tank services. Her experience also includes preparation of Storm Water Pollution Prevention Plans (SWPPP) and Spill Prevention and Control and Countermeasure (SPCC) plans.
- Professional Engineer – OH
- Leadership in Energy and Environmental Design (LEED AP)
- Certified Professional Erosion & Sediment Control (CPESC)
- Certified Asbestos Hazard Evaluation Specialist (AHES)
- Certified Asbestos Hazard Project Designer (AHPD)
- USFWS Approved Running Buffalo Clover Surveyor
- OSHA 40-hr HAZWOPER & Supervisor
- BS Civil Engineering, University of Cincinnati
- Permitting and Agency Negotiation
- Turnkey Project Management (Environmental, Environmental, and Construction)
- Environmental Compliance

Senior Project Engineer
JB has over 20 years of experience with managing, designing, and building a variety of civil engineering projects. He has performed design work on many types of projects including bridge structures, culverts, roads, intersections and development sites. He has designed bridge structures including non-composite box beam, composite box beam, and steel beam with composite deck superstructures. His bridge designs have included both integral and non-integral abutments. He has also designed and overseen a broad array of bridge rehabilitation and bridge maintenance projects. His design experience also includes roadways, intersections, culverts, wingwalls on spread footings, and performing hydraulic analysis. JB also has extensive surveying experience having completed project surveys, boundary surveys, legal descriptions, plats of survey, and ODOT right-of-way plans. He has overseen the construction of dozens of projects, acting as Project Engineer, which has included Federal, OPWC, and Local Funded Projects. He has been the Project Engineer for bridge replacements, bridge rehabilitations, roadway and intersection projects, and culvert replacements. He has also been Project Manager of Federal, OPWC, and Local Funded Projects. As Project Manager he ensured all the details needed for a successful project were taken care of. This has included coordinating and ensuring that public involvement, utility relocation, environmental, permitting, and right-of-way acquisition tasks were performed. He has also been the LPA Person in Responsible Charge of well over a dozen federally funded projects.
- Professional Engineer – OH
- Professional Surveyor – OH
- Certified Professional Erosion & Sediment Control (CPESC)
- BS Civil Engineering, The Ohio State University
- Civil Engineering Design
- Bridge Design / Inspection / Rehabilitation
- Surveying
- Construction Oversight

Senior Engineer
Ismail Jallaq has over 15 years of experience in the AEC industry, with extensive experience in site layout, utility design, roadway and parking lot design, stormwater design and management, and earthwork analysis. He has experience coordinating municipal review and permit approvals, as well as providing QA/QC review.
Ismail has provided design services to clients throughout the Midwest. He has experience with single-family subdivisions, multifamily developments, senior living housing, commercial development, big box retail development, and oil and gas projects. Most recently Ismail expanded his skill set to include K-12 and higher education projects.
Throughout his career Ismail has focused on finding a balance between site/project constraints, owner expectations, and municipal requirements to provide comprehensive solutions for all stakeholders.
- Engineering Intern, Ohio
- Leadership in Energy and Environmental Design Accredited Professional (LEED AP-2009)
- BS Civil Engineering – The Ohio State University
- AutoCAD Civil 3D
- HydroCAD
- AutoTURN
- Stormwater Management Design
- Grading and Earthwork Analysis

Senior Ecologist
Mr. Teagan Loew has a broad range of knowledge in life sciences and natural resources permitting, with a focus on ecology and water resources. His previous experience includes serving as an ecologist for the Ohio EPA Division of Surface Water in the 401 Water Quality Certification Section. He is a Professional Wetland Scientist (PWS) and is an expert in wetland/stream delineations, assessment and restoration, 401/404/nationwide/isolated wetland permitting, mitigation plans and monitoring, federal and state listed species, biological sampling, GPS data collection, and GIS spatial analysis.
Mr. Loew is an Ohio EPA Qualified Data Collector and ODNR approved malacologist, and has led aquatic surveys for freshwater mussels, macroinvertebrates, and amphibians on numerous projects. In addition, Mr. Loew has performed terrestrial surveys for federal and state listed species, including, botanical surveys, herpetological surveys, and bird surveys. He is ODOT prequalified for ecological surveys, waterway permitting, NEPA Categorical Exclusions, and Section 4(f), and has completed over 100 environmental clearance reviews (107.10 spec) for areas outside of ODOT right-of-way.
Mr. Loew is a Certified Erosion, Sediment, & Stormwater Inspector (CESSWI) and has conducted environmental compliance oversight for stormwater BMP management. He is familiar with surface water sampling and management including pond management plans, TMDL measurement and monitoring, stormwater sampling, and NPDES compliance.
- Professional Wetland Scientist (PWS)
- State (ODNR) Permit for Mussel Surveys
- Ohio EPA Qualified Data Collector Level III
- Certified Erosion, Sediment, & Stormwater Inspector (CESSWI)
- USFWS Approved Running Buffalo Clover Surveyor
- OSHA 40-hr HAZWOPER
- MS Geo/Environmental Science, Bowling Green State University
- Geospatial Certificate (GIS), Bowling Green State University
- BA Environmental Studies, Bowling Green State University
- Ecological Surveys & Wetlands/Streams
- Threatened & Endangered Species
- Natural Resources Permitting & NEPA Documentation
- Biological Sampling
- GIS Analysis

Environmental Engineer
Sharon has more than 20 years of experience working in the field of environmental engineering. She has significant experience in storm water compliance and industrial air pollution control, permitting and stack testing. Her work at Stone Environmental has included compliance audits, wastewater and NPDES permitting, and preparation of environmental emergency plans for both industrial and government clients.
- Professional Engineer, OH, NJ, KY, MI
- OSHA 40-hr HAZWOPER
- MBA Management, Monmouth University
- BE Mechanical Engineering, Stevens Institute of Technology
- Full Facility Industrial Compliance
- Air Emission Calculations, Air Permitting and Reporting
- Wastewater and NPDES Permitting
- Environmental Emergency Plans
- Storm Water Pollution Prevention Plans (SWP3s) and Spill Prevention and Control and Countermeasure (SPCC) Plans

Principal Ecologist
Dr. Michael Hoggarth, Professor in the Department of Biology and Earth Science at Otterbein University, is joining the STONE team as Principal Ecologist. He received his B.S. in Biology from Seattle Pacific University, his M.S. in Biology from the University of North Alabama, and his Ph.D. in Zoology from The Ohio State University, where he specialized in freshwater mussel ecology and systematics. He was an Environmental Scientist with the Ohio Department of Transportation, Bureau of Environmental Services from 1987-1992. He has published extensively on the life history, ecology, and systematics of mussels in the family Unionidae, including numerous peer-reviewed papers, and he is co-author of a book entitled, The Freshwater Mussels of Ohio (2009). Since leaving ODOT, he has performed thousands of aquatic assessments and mussel surveys in partnership with many ecological, environmental, and engineering firms across the Midwest. He has been a member of the Ohio Academy of Science since 1980, a Fellow of the Academy since 1999, and was President of the Academy from April, 2014 to April, 2016.
- Federal (USFWS) Permit for Mussel Surveys
- State (ODNR) Permit for Mussel Surveys
- PhD Zoology, The Ohio State University
- MS Biology, University of North Alabama
- BS Biology, Seattle Pacific College, cum laude
- Co-author of The Freshwater Mussels of Ohio (2009) and numerous peer-reviewed papers.
- Mussel surveys & aquatic assessments
- USFWS Biological Assessments
- Macroinvertebrate/fish sampling, identification to species, & analysis
- Professor, Department of Biology and Earth Science at Otterbein University

Senior Engineer
Janet is an experienced engineer in wastewater treatment design, industrial pretreatment program management, water treatment design, spill prevention, system inspection, and regulatory compliance. She has managed and developed standards for industrial pretreatment programs at several municipalities to ensure the protection of facilities and compliance with Ohio EPA regulations and is adept at NPDES and Permit-to-Install (PTI) submittals. She has consulted with cities, industrial leaders, and residents to advise on regulatory compliance and spill prevention, and to review complaints and drive problem resolution.
Janet has completed and passed the ODOT Bridge Inspection Training class. Training under Jeff Baird, STONE’s lead bridge engineer, she has gained extensive experience in bridge inspection (28 bridges) in Ohio as well as load rating. Janet is familiar with the 23 metrics dictated by FHWA for compliance and the importance of bridge inspections being accurate and completed on time. As part of the bridge inspection process she has reviewed past inventory and inspection records, gathered information pertinent to field work, increasing efficiency and focus for each inspection.
- Professional Engineer– OH
- BS, Civil and Environmental Engineering, Vanderbilt University
- Water and Wastewater Treatment Design
- Industrial Pretreatment Program Management
- Spill Prevention, System Inspection, and Regulatory Compliance
- NPDES and Permit-to-Install (PTI) Submittals

Senior Botanist
Mr. Morris is a Professional Wetland Scientist (PWS) and skilled field biologist responsible for performing wetland delineations, habitat assessments, and botanical surveys. He has experience across a variety of market sectors including oil and gas, transmission lines, departments of transportation, and pipelines. His expertise includes preparation of environmental permit applications, coordination with regulatory agencies, and biological studies.
- Professional Wetland Scientist (PWS)
- Certified Ecologist in Training (CEIT)
- MS, Biology, Eastern Kentucky University
- BS, Environmental Science, The Ohio State University
- Environmental permitting/regulatory compliance
- Botanical surveys
- Wetland delineations
- Threatened and endangered species surveys

Project Environmental Scientist
Ms. Samantha Robbins has over four years of environmental consulting and engineering experience. In this short amount of time she has managed the day-to-day on-site responsibilities for the Portsmouth Bypass Highway Realignment – recently recognized by the publication Roads and Bridges as the #4 road project in the country for 2017. Her expertise includes environmental compliance review and monitoring, waterway permitting, agency coordination, and stormwater inspection and SWPPP review.
- Certified Erosion, Sediment, and Stormwater Inspector (CESSWI)
- ODOT Training Course Certificates: NEPA – Managing the Environmental and Project Development Process; Environmental Site Assessments; Public Involvement; Ecological Survey Report; Categorical Exclusions 2; Waterway Permits; Section 106, Section 4(f) & 6(f)
- OSHA 10 Hour Construction Safety Certification
- Ohio Local Technical Assistance Program (LTAP): Project Estimating Level 2; and: Excavation Safety
- OEPA Level 1 QDC/HWHP Stream Water Quality Monitoring
- BS Environmental Sciences – The Ohio State University, School of Environment & Natural Resources
- Environmental compliance review and monitoring
- Waterway permitting,
- Agency coordination
- Stormwater inspection
- SWPPP review

Project Geologist
Ms. Heather Stoller has over 7 years of experience in the environmental and engineering consulting industry. In this time, she has managed DoD remediation projects at both Vandenberg and Nellis Air Force Bases, as well as Emergency Response teams for active leaks and spills. In addition, she has led cultural and paleontological resource teams for the Bonneville Power Company Statewide Oregon Expansion project, along with various other wind turbine projects in the Mojave Desert of California. Ms. Stoller also has experience in Ohio UST Closure and Corrective Action, site supervision, health and safety, and report preparation and management.
- 40-Hr Hazwoper
- 10-Hr OHSA Construction Safety Certification
- DOT/IATA Hazardous Materials Shipping and Transportation
- H2S Safety
- Asbestos Hazard Evaluation Specialist (AHES)
- Asbestos Hazard Abatement Specialist (AHAS)
- MS Geoscience, University of Nevada, Las Vegas
- BS Geology & Earth Science, Muskingum University
- BA Business, Muskingum University
- Underground Storage Tank Assessment, Closure, Corrective Actions
- Environmental Due Diligence
- Cultural and Paleontological Resource Management and Mitigation
- Remediation System Maintenance and Operations

Senior Project Manager
Kathy’s expertise is in Geology/Hydrogeochemistry and Groundwater Modeling/Risk Evaluation. Over the past 30 years Kathy has managed and led a variety of site management projects that range from large, complex Remedial Investigations, Risk Assessments, Remedial Construction projects to Wellfield Design and Protection projects for industrial and municipal clients. Kathy has been in multiple roles in recent years including global account manager, senior sales manager, senior hydrogeologist, and senior program manager. Her more recent roles have been focused on management of multi-site and large complex environmental service delivery for clients domestically and internationally. In major project and program management, Kathy engages clients and teams in short and long term site strategy development in alignment with business, stakeholder, and regulatory drivers to gain targeted outcomes. Kathy also serves on the City of Dayton Environmental Advisory Board.
- Ohio Voluntary Action Program Certified Professional (CP), CP378
- BS Geology, Wright State University
- MS Geology (Emphasis Hydrogeochemistry), Wright State University
- Geology/Hydrogeochemistry
- Groundwater Modeling/Risk Evaluation
- Site Management
- Strategy Development
- Domestic and International multi-site and large complex environmental service delivery.

Staff Engineer
Mr. Quentin Platt is an environmental engineer with professional experience in environmental, health, and safety compliance. His undergraduate education included grant-funded, independent indoor environmental quality research. His role has included air reporting, reviewing written plans, onsite environmental and safety audits, incident investigations, and safety/environmental training.
- EI, Ohio
- OSHA 30-Hr General Industry
- B.S., Environmental Engineering, The Ohio State University
- Air permits, calculations, and reports
- Air/water sampling
- Industrial environmental compliance
- Indoor environmental quality
- Training

Staff Geologist
Kyle is a staff geologist who brings demonstrated capabilities to the environmental consulting industry. He has experience in environmental sampling of soil, groundwater and surface water. Additionally, he has managed general National Pollutant Discharge Elimination System (NPDES) permit applications, negotiations with state regulatory agencies along with the sampling and reporting to allow for dewatering and storm water discharge. Mr. Howe also has experience in Ohio UST Systems Release Investigation, Reporting and Compliance management. He has begun gaining experience in land surveying through deed/plat research and field surveying work using Total Station and GPS instrumentation as well.
- 40-Hour OSHA HAZWOPER, 2017
- 8-Hour OSHA refresher course for hazardous waste operations
- B.S, Geology, Bowling Green State University
- Environmental sampling of soil, groundwater and surface water
- National Pollutant Discharge Elimination System (NPDES) permit applications
- Ohio UST Systems Release Investigation, Reporting and Compliance management
- Land Surveying

Staff Engineer
Mr. Timothy Fey, EI, has a BS in Civil Engineering and 3 years of experience in civil engineering consulting, with an additional 3 years of experience in mechanical and civil CAD design. He has utilized MicroStation and GEOPAK software extensively to prepare roadway, right-of-way, and bridge plans for ODOT and municipal clients, and to prepare dam remediation plans for ODNR. His surveying experience includes topographic, boundary, and ALTA/NSPS surveys for private and public civil design projects, encompassing both survey fieldwork utilizing total station and GPS, and basemapping utilizing AutoCAD Civil 3D. In addition, he has prepared construction plans for a variety of civil design projects in Civil 3D, and has performed hydraulic analysis on small streams using HEC-RAS software.
His ODOT project experience has included road relocation, realignment, widening, and resurfacing, roundabout design, intersection improvements, railroad grade separation, bridge replacement, rest area rehabilitation, slope remediation, and median barrier replacement. In the course of these projects, he has prepared roadway construction plans for maintenance of traffic, signing and pavement marking, lighting, cross sections, and estimated quantities, as well as bridge and retaining wall construction plans and right-of-way plans. His ODNR project experience has included dam remediation involving construction of a filter berm to correct water undercutting issues. This entailed conversion of as-built plans into a working basemap and development of grading plans, cross-sections, typical sections, and a proposed surface, as well as calculation of quantities.
- Engineer Intern, Indiana
- BS Civil Engineering, Purdue University
- ODOT construction plan development
- Survey Fieldwork and basemapping
- MicroStation and GEOPAK
- AutoCAD Civil 3D

Senior Project Manager
Hank has extensive experience in the planning and design of environmental and civil engineering projects. His environmental engineering experience includes Phase I and II environmental site assessments, design of remediation systems, and development of environmental compliance programs for industry. His civil engineering background includes the design of systems for storm water management, industrial wastewater pretreatment, and stream restoration projects.
- Diplomate – American Academy of Environmental Engineers
- MS Environmental Engineering, West Virginia University
- BS Mechanical Engineering, University of Michigan
- Environmental and Civil Engineering Design
- Industrial Wastewater Pretreatment
- Environmental Due Diligence
- Remediation System Design

Senior Project Engineer
Sudhir has over 30 years of experience in air permitting with Division of Air Pollution Control at Ohio EPA. As a lead environmental specialist, he has worked on several New Source Reviews (NSRs), Title V permits, Prevention of Significant Deterioration (PSD) permits, Non-attainment permits, Netting, and Federally Enforceable State Operating Permits (FESOPs). He provided technical assistance to permit writers (District Offices staff), consultants, regulated community, and the public regarding laws and regulations, policies, and guidance on air pollution control and permit requirements. He was involved in interpreting federal New Source Reform (NSR) rules in order to develop Ohio’s NSR rules. In addition, he has over 8 years of experience in reviewing Hazardous Waste Treatment, Storage, and disposal facilities (HW TSDs) permits including Spill Prevention, Control, and Countermeasure (SPCC) plans. Further, he has almost 2 years of experience in reviewing pretreatment applications for Indirect Discharge and NPDES permits for industrial wastewater treatment facilities.
- Professional Engineer – OH
- B.E., Civil Engineering, Karnataka University
- New Source Reviews (NSRs)
- Title V permits
- Prevention of Significant Deterioration (PSD) permits
- Non-attainment permits
- Netting
- Federally Enforceable State Operating Permits (FESOPs)
- Air Rules interpretation
- Indirect Discharge and NPDES permits.

Senior Designer
Mr. Brad Van Hoose 24 years of experience in civil engineering design, including development of plans for various projects within the City of Columbus. He prepares construction plans; street, storm, sanitary sewer, and water profiles; ADA curb ramp designs; grading; site balancing along with quantity calculations, and cost estimates. His project experience includes single family, multi-family, and commercial development; site utility and grading plans; preparation of storm water management reports; sanitary and storm sewer design; storm detention pond design; and compliance review. He also has experience with surveying, topographic mapping, and review of property records as well as zoning compliance.
- B.A., Business Administration, Mount Vernon Nazarene University
- AutoCAD 2D
- AutoCAD 3D
- Civil 3D
- GIS

Office Manager
- Notary Public – Ohio
- BA Business Administration – Marketing, Otterbein University
- BA Human Ecology, Otterbein University
- Office Management
- Accounts Payable/Receivable
- Financial Reporting

Marketing Coordinator / Administrative Assistant
- BA English Literature, Northwestern University
- Technical Writing
- Editing
- Proofreading
- Social Media Management
- Public Relations
“I was very impressed with the level of service that STONE had provided us. The assignment was handled very swiftly and professionally. Based on our satisfaction, I have to imagine that STONE has the available resources and knowledge to tackle any environmental project, large or small. I will certainly look to STONE for any future projects.”