John Tabella, PG, LEED AP, is a Project Director with nearly 30 years of broad environmental experience covering environmental due diligence, mergers and acquisitions support, environmental site characterization, remedial design/construction/decommissioning, environmental regulatory compliance and permitting, industrial hygiene, and health and safety.
John Tabella, PG, LEED AP, is a Project Director with nearly 30 years of broad environmental experience covering environmental due diligence, mergers and acquisitions support, environmental site characterization, remedial design/construction/decommissioning, environmental regulatory compliance and permitting, industrial hygiene, and health and safety.
Additional experience includes managing Federal programs, from capture strategy to proposal management to project execution. Expertise includes working internally with staff and offices around the country, and teaming with small and large business partners on evaluating Federal opportunities, contracting, and executing work safely, on time, and on budget.
John has also served as a Health and Safety Coordinator charged with implementing our behavior-based safety program, coordinating and evaluating H&S training and medical monitoring, H&S recordkeeping and reporting, and H&S consulting on projects.
John Tadelski is a Civil Engineer with experience in air management compliance for a diverse array of industries, including landfills, industrial printing facilities, spray coating and manufacturing facilities, furniture manufacturers, chrome plating facilities, and industrial heating plants. He previously served as a Compliance Engineer with the Wisconsin Department of Natural Resources (WDNR) Air Program. He has also conducted compliance evaluations under the Asbestos NESHAP of the Clean Air Act.
John Tadelski is a Civil Engineer with experience in air management compliance for a diverse array of industries, including landfills, industrial printing facilities, spray coating and manufacturing facilities, furniture manufacturers, chrome plating facilities, and industrial heating plants. He previously served as a Compliance Engineer with the Wisconsin Department of Natural Resources (WDNR) Air Program. He has also conducted compliance evaluations under the Asbestos NESHAP of the Clean Air Act.
Doug Tangeman is a chemical engineer nearly a decade of experience in environmental consulting. As a Senior Project Professional at SCS Engineers, he manages air quality compliance projects including permitting, compliance evaluation, site investigation and monitoring, reporting, and quality assurance/quality control projects.
Doug Tangeman is a chemical engineer nearly a decade of experience in environmental consulting. As a Senior Project Professional at SCS Engineers, he manages air quality compliance projects including permitting, compliance evaluation, site investigation and monitoring, reporting, and quality assurance/quality control projects.
Mr. Tangeman is also experienced in hazardous materials incident response, and served for three years as a hazardous materials emergency responder on the Lincoln-Lancaster County (Nebraska) Health Department’s Emergency Response Team (ERT). Responsibilities included site threat assessment and safety evaluation, implementing defensive and offensive operations strategies, air and water quality monitoring and sampling, decontamination, and site remediation activities. As part of the ERT, Mr. Tangeman participated in field exercises and live emergency responses with members of Lincoln (Nebraska) Fire and Rescue, the Lincoln Police Department, Lancaster County Sheriff’s Office, Nebraska National Guard Civil Response Team (CRT), the Nebraska Department of Environmental Quality, the Federal Emergency Management Agency Urban Search and Rescue Team as well as site representatives and private contractors.
Stephanie Taylor has nearly a decade of both regulatory and consulting experience, including air permitting and compliance, ambient air dispersion modeling analysis, New Source Performance Standard (NSPS) and National Emission Standards for Hazardous Air Pollutant (NESHAP) compliance, environmental auditing and reporting, greenhouse gas reporting, annual emission inventories, and groundwater monitoring reporting. She served as the Chair for the Air & Waste Management Association Midwest Section until April 2021.
Stephanie Taylor has nearly a decade of both regulatory and consulting experience, including air permitting and compliance, ambient air dispersion modeling analysis, New Source Performance Standard (NSPS) and National Emission Standards for Hazardous Air Pollutant (NESHAP) compliance, environmental auditing and reporting, greenhouse gas reporting, annual emission inventories, and groundwater monitoring reporting. She served as the Chair for the Air & Waste Management Association Midwest Section until April 2021.
Jennifer Taylor, PE, is experienced with many different types of projects, including landfills, wetlands, environmental site assessments, research, report writing, site design, rail yard development, underground stormwater drainage system design, ponds, erosion controls and other environmental solutions.
Jennifer Taylor, PE, has a diverse background and experience with many different types of projects including landfills, wetlands, environmental site assessments, research, report writing, site design, rail yard development, underground stormwater drainage system design, ponds, erosion controls and other environmental solutions.
Prior to joining SCS Engineers, Jennifer led a team of nine civil engineers and designers on a $4 billion project that included all aspects of site design. She built this team which produced creative quality designs under very demanding timelines. This team extended to the Mumbai, India, office, where Jennifer traveled to train and unify the groups and fostered clear communication.
Jennifer also served as the Stormwater Management Coordinator for several years for a municipality where she was hired following an audit and consent decree by the EPA. She led them to compliance with their NPDES permit and the city received no fines from the EPA. The Stormwater Program she established was used as an example for other Phase II Municipalities.
Kerim Temel, PE, is a Project Director and one of our National Experts in Liquids Management. He is experienced in municipal and industrial wastewater, leachate treatment, groundwater remediation, and Operations and Maintenance (O&M). He has significant experience treating complex wastewater such as those from landfill leachate (including removal of Perfluoroalkyl Substances [PFAS]), pharmaceuticals, and chemicals industries. His expertise includes alternative evaluations, planning and design, troubleshooting, characterization, treatability testing, confirmation testing, system evaluations, startup and training, and process design.
Kerim Temel, PE, is a Project Director and one of our National Experts in Liquids Management. He is experienced in municipal and industrial wastewater, leachate treatment, groundwater remediation, and Operations and Maintenance (O&M). He has significant experience treating complex wastewater such as those from landfill leachate (including removal of Perfluoroalkyl Substances [PFAS]), pharmaceuticals, and chemicals industries. His expertise includes alternative evaluations, planning and design, troubleshooting, characterization, treatability testing, confirmation testing, system evaluations, startup and training, and process design.
Additionally, he has managed numerous biological and physical/chemical wastewater treatability and process design projects for pharmaceuticals and landfills.
Contact Karim at (757) 466-3361 or
James Thompson is a Project Manager and one of our National Experts in Oil & Gas. He is experienced with hydrogen production and fueling facilities, oil and gas production plans, Spill Prevention and Countermeasure Plans (SPCC), Underground Injection Control (UIC), midstream pipeline projects, miscellaneous commercial projects, cannabis cultivation and processing facilities, as well as surface and groundwater compliance. He is a permitting specialist and provides land use planning, air and water quality analysis, environmental review, geologic consulting, mapping, and technical writing for a broad variety of proposed or operating industrial and commercial facilities.
James Thompson is a Project Manager and one of our National Experts in Oil & Gas. He is experienced with hydrogen production and fueling facilities, oil and gas production plans, Spill Prevention and Countermeasure Plans (SPCC), Underground Injection Control (UIC), midstream pipeline projects, miscellaneous commercial projects, cannabis cultivation and processing facilities, as well as surface and groundwater compliance. He is a permitting specialist and provides land use planning, air and water quality analysis, environmental review, geologic consulting, mapping, and technical writing for a broad variety of proposed or operating industrial and commercial facilities.
Mr. Thompson previously worked as a production geologist for an energy company and was responsible for maintaining and enhancing oil production in an oilfield in California. His responsibilities included developing 3D subsurface models, structure contour maps, isopach maps, cross sections, and geophysical models for reservoir characterization. He also evaluated geophysical logs during drilling operations and determined well completions. Additional experience includes creating net reservoir thickness maps, property maps, and production maps.
As a well site geologist in Kansas, Mr. Thompson was responsible for examining rock cuttings during drilling of production wells, including creating mud-logs and characterizing reservoirs. He also mapped potential drill sites for production wells.
Contact James at (661) 606-6001 or
Madison Thompson is a Project Professional in our Madison, Wisconsin office, specializing in landfill gas (LFG). She provides support services including NSPS regulations, design, Tier 2 landfill gas sampling, Greenhouse Gas reporting, Title V air permitting, annual and semi-annual compliance reporting, and construction quality assurance.
Madison Thompson is a Project Professional in our Madison, Wisconsin office, specializing in landfill gas (LFG). She provides support services including NSPS regulations, design, Tier 2 landfill gas sampling, Greenhouse Gas reporting, Title V air permitting, annual and semi-annual compliance reporting, and construction quality assurance.
Ms. Thompson also served as the Assistant Project Manager for the Manatee County, Florida Debris Monitoring Services Contract. Her educational background focused on water treatment design processes.
Ray Tierney, PG, CEEP, is a Vice President of SCS Engineers. He is a Professional Geologist with over 30 years of experience in environmental and sustainability engineering and has helped a wide range of organizations control and reduce their legacy environmental impacts and liabilities, lower their costs, obtain grants and permits to expand, and implement cost-saving practices.
Ray Tierney, PG, CEEP, is a Vice President of SCS Engineers. He has 30 years of experience in environmental and sustainability engineering and has helped a wide range of organizations control and reduce their legacy environmental impacts and liabilities, lower their costs, obtain grants and permits to expand, and implement cost-saving practices. He has given talks around the country on sustainability. He holds a Master’s Degree in Water Resources Management from the University of Wisconsin and a Bachelor’s Degree in Geology and Geophysics from Boston College. He is a Wisconsin Professional Geologist, a Certified Energy Efficiency Professional, and a Certified Ground Water Professional.
Contact Ray at 608-216-7332 or
Jarrod Timmons is experienced in landfill engineering, environmental engineering, civil engineering, and regulatory compliance. He is proficient in landfill design using AutoCAD Civil 3D, stormwater modeling, preparing stormwater calculations, and geosynthetics. His experience includes landfill gas system design, landfill cell and closure design, construction quality assurance (CQA), quality control, and environmental compliance.
Jarrod Timmons is experienced in landfill engineering, environmental engineering, civil engineering, and regulatory compliance. He is proficient in landfill design using AutoCAD Civil 3D, stormwater modeling, preparing stormwater calculations, and geosynthetics. His experience includes landfill gas system design, landfill cell and closure design, construction quality assurance (CQA), quality control, and environmental compliance.
Adrienne Tober is a Senior Project Professional in SCS’s Tracer division. She has a Bachelor’s degree in Chemical Engineering.
Stephen Townsend provides Title V and other compliance reporting services for landfills throughout Florida. He has a Master’s Degree in Environmental Engineering.
Renee Trenshaw, PE, is experienced in the environmental and civil engineering fields. Her project experience includes landfill design and permitting, landfill and landfill gas well construction, storm water and environmental plans, and air compliance.
Patrick Triscari is an expert on renewable natural gas (RNG) with more than a decade of experience. He is experienced in all phases of project development, engineering, construction, and commissioning at waste to energy facilities in Michigan, Indiana, Rhode Island and Utah, and works to produce renewable energy from waste materials. He is currently developing a RNG facility to be located at the Ridge Landfill in Chatham-Kent, Ontario, Canada.
Patrick Triscari is an expert on renewable natural gas (RNG) with more than a decade of experience. He is experienced in all phases of project development, engineering, construction, and commissioning at waste to energy facilities in Michigan, Indiana, Rhode Island and Utah, and works to produce renewable energy from waste materials. He is currently developing a RNG facility to be located at the Ridge Landfill in Chatham-Kent, Ontario, Canada.
