President, Senior Consultant

Peg Hopkins, MPH, is the Founder and President of PHI Environmental Consulting and brings more than 35 years of experience in environmental, health, and safety regulatory analysis and management systems implementation. She holds a Bachelor of Science in Biology and Chemistry and a Master of Public Health in Toxicology from the University of Michigan.
Peg's expertise spans environmental compliance, industrial hygiene, environmental engineering, senior project management, and the integration of environmental, health and safety, and energy management systems. She has also developed practical tools such as EHS and Energy Management System databases, e-learning platforms, contractor management databases, compliance tracking systems, and management-of-change solutions that support ISO 9001, ISO 14001, ISO 45001, ISO 50001, and IATF 16949 implementation. Throughout her career, she has supported major organizations including Mack Trucks, Volvo, Bosch Rexroth, Ford Motor Company, Steel Dynamics, Nestle Purina, Subaru of America, and the U.S. Army.
With a rare combination of technical depth, regulatory knowledge, and practical problem-solving, Ms. Hopkins offers clients a trusted partner who can turn complex compliance challenges into efficient, results-driven systems. Her leadership, innovation, and proven track record make her an exceptional choice for organizations seeking stronger performance, smoother implementation, and lasting operational improvement.

Senior Environmental Consultant

Dianne Borrello is a senior environmental consultant with more than 35 years of experience in environmental compliance, geological engineering, and regulatory strategy. She holds a Bachelor of Science in Geological Engineering from Michigan Technological University, giving her a strong technical foundation backed by decades of practical industry experience.
Throughout her career, Dianne has worked across consulting, automotive, education, and government, helping organizations navigate complex environmental requirements with confidence. Her expertise includes environmental management systems, regulatory compliance strategies, environmental contingency planning, training development, environmental reporting, soil and groundwater remediation, and underground storage tank removal projects. At PHI Environmental Consulting, she has supported major clients including Steel Dynamics, Mack Trucks, Volvo Construction Equipment, Volvo Trucks, Gerdau, GKN Aerospace, Ford Motor, and Detroit Diesel. She is also a registered Professional Engineer and a certified ISO 14001:2014 Lead Auditor.
Mrs. Borrello brings a rare combination of technical depth, regulatory insight, and real-world leadership that makes her a valuable partner to any organization. Her ability to deliver practical, compliant, and sustainable solutions sets her apart and makes her an excellent choice for clients seeking trusted environmental expertise.

Environmental Consultant

Kelsie Kaufman is an Environmental Engineer and consultant with PHI Environmental Consulting, where she helps organizations build efficient, integrated, and sustainable environmental management practices. She holds a Bachelor of Science in Environmental Engineering from Michigan Technological University and brings a strong technical foundation to her consulting work.
Kelsie has contributed to the design, implementation, and auditing of ISO 14001 Environmental Management Systems for clients across multiple industries. Her expertise includes environmental compliance and auditing, process development and training, data analysis and reporting, and sustainability leadership.
Most recently, she completed a four-month contract as an on-site Environmental Engineer at Volvo Trucks NRV in Dublin, Virginia, where she supported environmental compliance and sustainability initiatives at one of the company's largest manufacturing facilities.
Kelsie brings together technical expertise, hands-on auditing experience, and a practical commitment to sustainability, making her a valuable partner for organizations seeking stronger environmental performance, streamlined systems, and confident regulatory compliance.

Senior Environmental Consultant

Marcia Thelen is a Senior Consultant at PHI Environmental Consulting with more than 27 years of experience in environmental compliance, sustainability, and management systems. She holds a Bachelor of Science in Engineering in Chemical Engineering from the University of Michigan and brings a strong technical foundation to complex environmental and regulatory work.
Throughout her career, Mrs. Thelen has worked with organizations including Gradient, ANR Pipeline, and Shell Oil Company, supporting environmental reporting, compliance audits, environmental plan development, and ISO management system implementation. She is skilled at interpreting and applying state, federal, and local regulations to help clients maintain compliance and improve operational performance.
Marcia holds certifications in ISO 14001:2014 Lead Auditor (TPECS), 50001 CP EnMS Online Training, and Sustainability Capstone Projects. Her expertise spans compliance management, stormwater management, ISO 50001, environmental auditing, air quality, and sustainability initiatives.
Marcia brings together deep regulatory knowledge, technical precision, and a practical approach to environmental management, making her a trusted resource for organizations seeking stronger compliance, more effective systems, and long-term sustainability results.

Senior Environmental, Health & Safety Consultant

Laura Hughes is an experienced Environmental, Health & Safety (EHS) professional with a strong technical foundation and broad industry expertise. She holds a Bachelor of Science in Chemical Engineering from the University of California, Berkeley, and a graduate certificate in Energy and Environmental Management from Lawrence Technological University.
Laura has managed complete EHS management functions for both large and small manufacturing organizations, including a Tier I automotive supplier and an aerospace manufacturing center. Her expertise spans environmental compliance, industrial hygiene, and workplace safety, with notable experience developing environmental and safety systems for plant start‑ups, achieving ISO 14001 certification, and maintaining ongoing regulatory compliance. She has worked in both consulting and public-sector roles, including positions with the University of California Richmond Research Center, the City and County of San Francisco Pretreatment Program, and the San Francisco Bay Regional Water Control Board.
Laura is a member of the Certified Hazardous Materials Managers Institute, the Engineering Society of Detroit, and the American Society of Safety Engineers, and is fully bilingual in English and Spanish. She brings a comprehensive, practical approach to EHS management, making her a trusted resource for organizations seeking effective compliance, strong safety culture, and sustainable environmental performance.

Environmental, Health & Safety Consultant

Matt Jacobson is an experienced Environmental, Health, and Safety (EHS) professional with a strong background in compliance systems and international standards. He holds a Bachelor of Science in Occupational Safety and Environmental Health from Millersville University of Pennsylvania and brings more than eight years of EHS management experience to his consulting work.
As a certified Lead ISO Auditor, Matt has guided organizations of all sizes—from global manufacturers to local operations—through successful audits and meaningful system improvements. His experience includes working with industry leaders such as Volvo Trucks North America, Mack Trucks, Nestlé Purina, GKN Aerospace, Steel Dynamics, and Daimler Trucks, where he has helped implement and maintain effective compliance programs aligned with international standards.
Matt is known for his ability to translate technical requirements into practical, real‑world solutions. His approach combines precision, efficiency, and sustainability, making him a trusted partner for organizations seeking safer workplaces, stronger compliance, and long‑term operational excellence.

Environmental, Health and Safety Consultant

Dave Peirson is a highly experienced safety, compliance, and training professional with more than 30 years of success in industrial environments. He has helped organizations build stronger quality, safety, environmental, and energy programs while turning complex requirements into practical, result-driven training.
Mr. Peirson studied Business Management at Ursinus College in Collegeville, Pennsylvania, establishing the leadership and business foundation behind his long career in operations, labor relations, and environmental health and safety.
Dave’s career spans operations management, training, personnel management, labor relations, and environmental health and safety. He has worked with organizations including BF Goodrich, Michelin, Mack Trucks, Volvo, Colorcon, Inc., and the Boston Beer Company, and has continued supporting clients through consulting on ergonomics and contractor safety compliance.His expertise includes OSHA compliance, DOT programs, accident investigation, confined space entry, fall protection, hot work, respirator training and fit testing, hazard analysis, hazardous material handling, environmental compliance, among many other things. He is also certified as an OSHA 501 trainer, Zenger-Miller management trainer, and UAW/GM ergonomics job accessor.
Dave delivers credibility, experience, and practical insight organizations need to improve compliance, strengthen safety culture, and reduce risk. He brings a hands-on approach that helps teams move from policy to action—and from requirements to measurable results.

Environmental, Health and Safety Consultant

Mary Reid is a highly skilled Environmental, Health, and Safety (EHS) professional with more than 20 years of experience in environmental regulatory compliance. She is certified as a Lead Auditor for ISO 14001:2015 and an Internal Auditor for ISO 45001:2018, reflecting her deep expertise in international management system standards.
In addition to her environmental background, Mary brings over a decade of health and safety compliance experience, including her tenure at PHI. Her expertise extends beyond traditional compliance work—she is a Certified ALICE Trainer, providing critical active‑shooter preparedness training for organizations such as Volvo Construction Equipment. Mary also stays at the forefront of emerging sustainability topics, including biodiversity, helping clients proactively address evolving environmental expectations.
Mary delivers tailored, results‑driven EHS solutions for leading organizations including Volvo, Subaru, and Daimler Detroit Diesel. Known for her strategic insight, practical guidance, and commitment to excellence, she is a trusted partner for organizations seeking strong compliance, resilient safety programs, and long‑term sustainability success.

Senior Health and Safety Consultant

Ron Toth is an experienced Health, Safety, and Environmental (HSE) consultant with more than 20 years of professional experience supporting complex industrial and manufacturing operations. His background includes consulting roles and early‑career experience with regulatory agencies, providing him with a well‑rounded understanding of both compliance expectations and practical implementation.
Mr. Toth has extensive hands‑on experience across a wide range of HSE disciplines, including OSHA recordkeeping, accident investigation, lockout‑tagout, hot work, PPE hazard assessments, confined space entry, respiratory and fall protection, construction and contractor management, ergonomics, emergency response, hazard risk assessment, and job safety hazard assessments (JSHAs). He spent four years as Lead Safety Engineer at Severs Tal North America, a fully integrated steel mill on one of the largest industrial sites in the United States, and has served as project manager for the design, implementation, and maintenance of integrated multisite ISO 14001 and ISO 45001 management systems for GKN Aerospace.
Earlier in his career, Ron worked with the Ohio Environmental Protection Agency and the National Oceanic and Atmospheric Administration (NOAA). At Ohio EPA, he coordinated compliance and inspection activities across a seven‑county region and supported Superfund site designation efforts. As a Certified Data Coordinator with NOAA, he was responsible for quality assurance and preparation of legally certified meteorological and environmental satellite data for research and litigation use.
Ron brings together deep technical expertise, regulatory insight, and real‑world industrial experience. His ability to build practical, compliant, and effective HSE systems makes him a trusted partner for organizations seeking safer operations, stronger compliance, and sustainable performance improvements.

Energy and Environmental Specialist

Rick Berger is a recognized expert in energy management and environmental compliance, helping organizations achieve operational excellence and sustainability goals. With advanced degrees in Alternative Energy Technology and Environmental Studies, Rick brings deep technical knowledge and strategic insight into every engagement.

Since joining PHI in 2013, Mr. Berger has guided clients through successful implementation of ISO 50001, SEP 50001, and ISO 14001 standards, driving measurable improvements in energy performance and environmental stewardship. Rick holds a Master of Science in Alternative Energy Technology from Arizona State University and a BA in Environmental Studies from Brooklyn College.

Rick is a 50001 Certified Practitioner in Energy Management Systems (50001 CP EnMS), an SEP Performance Verifier, and a Certified Energy Manager (CEM®). As an active member of the Association of Energy Engineers (AEE), Rick combines technical expertise with a passion for sustainable innovation, helping businesses reduce costs, enhance efficiency, and meet regulatory requirements.

Industrial Energy Systems Consultant

Fred graduated from Duke University with a degree in Mechanical Engineering, then began his work at a large paper mill, becoming the engineer responsible for the utility and recovery areas. This is when he developed a strong passion for both combustion and industrial energy, recognizing his desire to learn more, particularly about thermodynamics.

Mr. Fendt, deciding to expand his knowledge, began courses at North Carolina State University, focusing on energy systems. He obtained a MSME degree in both Mechanical Engineering and Environmental Engineering. While in graduate school, Fred began working for the local Utility Company, gaining experience in both fossil-fueled generation stations and nuclear stations. He created dispatch models that enabled the utility to determine the most efficient generation units to utilize.

Fred began working at Rohm and Haas Company, a specialty chemical company. There, he became the first Mechanical Engineer to achieve the title of Technical Fellow due to his contributions to energy efficiency and environmental leadership. Additionally, Mr. Fendt received a US Patent for an innovative control strategy for thermal oxidizers. When Dow acquired Rohm and Haas, he joined Dow in their Energy Business, focusing on energy efficiency and assisting in developing greenhouse gas reporting practices.

Fred was active at the Council of Industrial Boiler Owners (CIBO), serving as the chairman of the Energy Committee, then becoming the Chairman of the Board. He has also worked closely with people at the United States Department of Energy in their programs focused on industrial energy efficiency.  Fred often mentions how blessed he is to have found an area of engineering that has also become a passion for personal development.

Senior Energy Consultant

Paul Scheihing brings over 30 years of experience in working at the U.S. Department of Energy (DOE) Advanced Manufacturing Office on manufacturing energy efficiency and energy management.  He co-created and led DOE’s Superior Energy Performance program and helped develop ISO 50001 as a member and recent officer of the ANSI US Technical Advisory Group.   Paul led the development of a variety of energy efficiency programs at DOE, including the Motor Challenge program, DOE's first non-R&D voluntary partnership, and the Save Energy Now program.  He was instrumental in formulating foundational energy saving software tools such as Motor Master, Steam System Assessment Tool and other tools that are now part of the DOE’s MEASUR tool suite.  He has worked with hundreds of companies and organizations within the US and internationally to form programs, voluntary public/private partnerships and initiatives around manufacturing energy efficiency and sustainability.  Paul is a 50001 Certified Practitioner in Energy Management System (50001 CP EnMS) through the Institute of Energy Management Professionals.  Paul won the prestigious American Council for an Energy Efficient Economy "Champions of Energy Efficiency in Industry"award in 2013.

Senior Environmental, Health & Safety and Energy Consultant

Mr. Zamzam is a recognized leader in environmental, health, safety, and energy consulting, bringing over 20 years of proven expertise to organizations seeking compliance excellence and sustainability leadership. With dual master’s degrees in Hazardous Waste Management and Occupational & Environmental Health Sciences, Tarek combines deep technical knowledge with a strategic vision for operational efficiency and regulatory success.

Throughout his career, Tarek has delivered transformative results across a wide spectrum of compliance areas, including hazardous and industrial waste management, air and stormwater permitting, and advanced pollution control systems. His mastery of complex reporting requirements has helped clients consistently meet and exceed federal, state, and local standards.

Mr. Zamzam’s impact extends beyond compliance. He has spearheaded the implementation of globally recognized management systems, including Responsible Care® 14001, ISO 45001, ISO 14001, ISO 50001, and MSE 50021/SEP, driving measurable improvements in safety, sustainability, and energy performance. His leadership in emergency response planning and industrial hygiene programs underscores his commitment to protecting people and the environment.

A highly credentialed professional, Tarek holds certifications as a Certified Energy Manager (CEM), and Certified Energy Practitioner (CP EnMS – Industrial), among others. His qualifications as a RAB Accredited ISO 14001 Lead Auditor and Michigan Certified Storm Water Management Operator further demonstrate his authority in the field.His combination of technical expertise, strategic insight, and unwavering dedication makes him a trusted advisor for organizations striving for compliance, sustainability, and operational excellence.

Senior Quality Consultant

Senior Quality Consultant

Mr. Fournier is a certified IATF 16949:2016 (including core tools) and ISO 9001:2015 Lead Auditor. He previously worked for two different certification bodies for over 25 years in various roles such as National Operation Manager, Quality Manager and IATF Sector Technical Manager. He has conducted numerous internal and external quality system assessments for the aforementioned standards in various industries, with primary focus in the past several years on suppliers to the automotive industry. Prior to his move to a third-party auditor career, Mr. Fournier worked in the commercial nuclear industry as a 2^nd party auditor, quality engineer and consultant and is a veteran of the United States Navy (Submarine Qualified).

Quality Consultant

Mr. Anderson is the lead quality auditor at PHI. He has achieved certifications as an ISO 17025 Auditor through The Laboratory Accreditation Bureau, ISO 45001 Lead Auditor with NSF-ISR through training provided by the BSI Institute, European Union (EU) Lead Auditor for medical devices and sterilization for 3 EC NSF International (Notified Body) and Health Canada certified for ISO 13485 under CMDCAS. Mr. Anderson has been performing ISO 9001 and ISO 13845 audits for NSF-ISR since 1993. During his tenure with various registrars, he has logged over twenty-five hundred (2500) Quality Management System Audit days in a wide variety of industries

IT Manager

Dan Hagen is the driving force behind PHI’s innovative IT solutions. With a strong foundation in Computer Information Systems from James Madison University, Dan brings over a decade of experience delivering cutting-edge technology and exceptional client support. Since joining PHI in 2008, he has played a pivotal role in enhancing our web applications and ensuring seamless operations for both internal and external clients.

Dan’s technical mastery spans a wide range of platforms and languages, including XHTML, CSS, AJAX, JavaScript, XML, PHP, and MySQL, complemented by proficiency in tools like Photoshop and Linux. His versatility extends to ASP.Net, Java, Ruby on Rails, and Oracle, making him a true full-stack problem solver. Beyond his technical skills, Dan is passionate about creating efficient, user-friendly solutions that empower businesses to thrive in a digital world.

When he’s not optimizing systems, Dan spends his time traveling and exploring the outdoors, always bringing the same curiosity and energy that defines his professional success.

Writer, Graphics and E-Learning Technical Director

Mr. Hoppe has 14 years of graphics and video production experience, and his accomplishments include a strong background in television having worked on several MTV and CBS programs, including The Real World, Flipped, and the documentary series, Histories Mysteries, for the History Channel, CSI Las Vegas and CSI Cyber. As a story editor for MTV’s Real World Mr. Hoppe was responsible for writing storylines and editing rough assemblies of episodes. As writer for CSI Las Vegas and CSI Cyber he developed a number of teleplays/scripts and was the Assistant Story Editor for the second season of CSI Cyber. Mr. Hoppe has developed video training/e-learning for Ford Motor Company, Severstal NA, Volvo Group Trucks, Meridian Automotive Systems, US Army, Steel Dynamics and Gerdau Steel. Mr. Hoppe has a BA in Filmography from Emerson College in Boston, MA.

Software Engineer

Henry is a versatile software engineer with a passion for building reliable, well-designed systems. He earned his degree in Computer Science from the University of Rochester, where he developed a strong technical foundation and conducted research in multi-agent systems that has since been published in major international conferences and journals. Henry has been programming for most of his life and brings hands-on experience with languages and technologies such as Rust, Go, Haskell, and React.

Since joining PHI in 2025, Henry has quickly become an essential part of the engineering team. He is deeply committed to improving PHI’s software for both clients and developers, drawing on expertise in algorithm design, networking, database engineering, and backend system architecture. He also actively contributes to open-source and personal projects, continually refining his craft.