e-Manifest Advisory Board Membership Roster and Bios

The e-Manifest Advisory Board provides critical support and input to the development and operation of the e-Manifest system. Below is the current e-Manifest Advisory Board roster (in alphabetical order) as well as their biographies.

On this page:

Addie Burden, CHMM 

Technical Services Manager, Sevenson Environmental Service, Inc., Industry Representative Member

Ms. Addie Burden currently serves as the Technical Services Manager at Sevenson Environmental Services, Inc., working in support of the company’s complex remediation job sites. Her responsibilities encompass waste management, transportation, environmental compliance, and required training across all active project sites. Ms. Burden has worked in the environmental industry since 2002. Prior to her work at Sevenson, Ms. Burden filled multiple technical and administrative roles in the hazardous waste industry in her 17 years at EQ/ US Ecology (now Republic). She worked from the ground up from sampling truckloads of hazardous waste and entering manifests, to completing full compliance reviews of data for approval into multiple hazardous waste facilities and a Subtitle C, Toxic Substances Control Act (TSCA) Chemical landfill. She has provided training in technical roles on the Resource Conservation and Recovery Act (RCRA), Land Disposal Restrictions, TSCA/ Polychlorinated Biphenyls Disposal, per- and polyfluoroalkyl substances (PFAS), Department of Transportation (DOT) shipping and more. Well-versed in TSCA and RCRA soil management, Ms. Burden has provided guidance on remediation projects and disposal options for complicated waste streams to aid industry contacts as well as regulators. 

Ms. Burden earned her Bachelor of Environmental Compliance and Administration from the University of Findlay, where she was actively involved, as a training assistant for 40-hour Hazardous Waste Operations and Emergency Response (HAZWOPER), as well as Emergency Response Training, and served as Secretary of the Environmental Safety and Occupational Health Organization. During her final year at Findlay, she interned at the Ohio EPA in the groundwater division, utilizing Geographic Information Systems (GIS) to identify and map threats to groundwater in the region. In 2023, Ms. Burden obtained her Certified Hazardous Materials Manager certification from the Institute of Hazardous Materials Management (IHMM). She is a current and active member of the Alliance of Hazardous Materials Professionals as well as the Air & Waste Management Association.

Jason Hawksford

Environmental Specialist, Minnesota Pollution Control Agency, State Representative Member 

Mr. Jason Hawksford currently serves as the state lead staff for RCRAInfo data management at the Minnesota Pollution Control Agency (MPCA), including the e-Manifest, Biennial Report, and Compliance Monitoring and Enforcement modules. In this position, he has gained extensive knowledge with the challenges posed by the collection, compilation, and analysis of both individual and mass manifest data. Minnesota has been collecting and analyzing manifest data for nearly 35 years, and he brings this long experience to the Board. 

He also has considerable experience with fee-based regulatory systems. Minnesota’s hazardous waste regulatory program is supported by user fees assessed to several thousand hazardous waste generators. Administering these fees involves considerable data collection and quality assurance review, including determining equity of fee assessment and systemic and individual error identification and correction. As a support staff to this program, Mr. Hawksford is continuously involved in the fee review and administration process. In addition to these specific skills, as a senior hazardous waste inspector, he has acquired a comprehensive knowledge of hazardous waste generation, transportation, treatment, storage, and disposal under federal, state, and local regulations, as well as the data systems to manage information necessary to ensure proper oversight of these requirements. 

Jennifer Hopper

Enforcement and Compliance Manager, Maryland Department of the Environment, State Representative Member

Ms. Hopper currently serves as the Section Head of the Hazardous Certification and Reporting Section. Ms. Hopper started in this position in 2011 and is responsible for issuing hazardous waste generator site identification (EPA ID) and special medical waste generator site identification numbers; certifying Controlled Hazardous substance and special medical waste haulers and vehicles; collecting and reviewing biennial hazardous waste reports; and overseeing the e-Manifest system.

In addition, Ms. Hopper also oversees the Emergency Planning and Community Right-to-Know Act requirements, which includes Tier II and Toxic Release Inventory reporting. Ms. Hopper also serves as the Enforcement and Compliance (E&C) Manager for Land and Materials Administration (LMA) since 2009. Ms. Hopper is responsible for tracking and monitoring all enforcement cases from the time an action is issued until it is paid in full, including approving penalty payments and issuing penalty invoices. As the E&C Manager, Ms. Hopper is responsible for collecting, reviewing, and reporting quarterly E&C numbers, drafting the E&C Annual Report for LMA, and providing penalty summary for Maryland Department of the Environment’s (MDE) press releases. Lastly, Ms. Hopper is the clearinghouse representative for LMA which requires her to review all clearinghouses and provide comments on behalf of LMA.

Ms. Hopper began her career at MDE in 2005 working as the assistant to the Assistant Secretary of Business Operations. She then obtained a position as the assistant to the Director of LMA in 2007. Ms. Hopper has served on multiple work groups within EPA including the RCRAInfo Version 6 Team (2017), Biennial Report Design Team (2015-2018), and Change Management Team (2017-2018). Ms. Hopper recently began her three-year term as Region III representative on the Program Development and Data Task Force within the Association of State and Territorial Solid Waste Management Officials (ASTSWMO) (2022-2024).

Dr. Michelle Liu

Professor of Information Technology and Cybersecurity at Marymount University’s School of Technology and Innovation, Information Technology Expert Member

Dr. Liu is a tenured Full Professor of Information Technology and Cybersecurity at Marymount University’s School of Technology and Innovation in Arlington, VA. She received her doctoral degree in Information Systems from Boston University. She also holds a Master's degree in Management Information Systems from Tianjin Polytechnic University in China and a Bachelor of Engineering degree in International Trade of Textiles from Nankai University, China. Dr. Liu's teaching portfolio spans information technology applications, database technology, security and privacy of medical devices, and risk management. Her research delves into the dynamic interplay between emerging technologies and human decision-making, particularly examining the interaction of innovations like telehealth with users, organizational security, and privacy considerations. She is also a certified “Electronic Management Records Practitioner” (Electronic Records Management Practitioner (ERMp) Training Program- ERMp Certificate, Association for Information and Image Management (AIIM), May 2012).

Her scholarly contributions have been featured in IEEE Technology and Society Magazine, Telematics and Informatics, the Journal of Computing Sciences in Colleges, the Journal of Cybersecurity Education, Research, and Practice, and The Learning Organization, among others. In collaboration with colleagues, she has earned two Best Paper Awards, one Distinguished Paper Award, and two Best Paper Finalist Awards at various international and national conferences. Dr. Liu's involvement in NSF grants aims to innovate STEM education, enhancing workforce diversity and readiness. She also holds leadership roles in multiple professional organizations and communities, including UPE (Upsilon Pi Epsilon), and INFORMS (Institute for Operations Research and the Management Sciences), to foster STEM education and broaden participation. Dr. Liu is a staunch believer in, advocate for, and practitioner of faculty-student collaborative research, which leads to professional conference presentations and peer-reviewed journal publications.

Angie Martin, PE, CHMM

Chief Sustainability and Innovation Officer, Arcwood Environmental, Industry Representative Member

Ms. Angela Martin currently serves as Chief Sustainability and Innovation Officer (formerly SVP 2021-2024, formerly VP 2013-2021) at Arcwood Environmental , LLC (formerly Heritage Environmental Services, LLC) overseeing national emergency response, waste allocation, sustainability, and customer Resource Conservation and Recovery Act (RCRA) and Hazardous Materials training efforts. Ms. Martin has participated in many national scale emergency response efforts and leads Arcwood Environmental's rapid response team. Ms. Martin participates in the implementation of new environmental regulations within Arcwood Environmental and frequently speaks on emerging regulatory trends and challenges including sustainability, per- and polyfluoroalkyl substance (PFAS), and various RCRA-related topics. She works with industry partners to ensure the proper distribution of hazardous and industrial wastes for their customers.

Ms. Martin owned and was president of Blue Sky Engineering (2006-2013) providing environmental engineering and consulting services for generators, transporters, and treatment storage and disposal facilities (TSDF). She was a senior engineer at RQAW Corporation performing environmental engineering and consulting, as well as wastewater treatment design and bidding (2002-2006). She was a Program Manager for Audits and then Permits in the Corporate Environmental Compliance Department at Arcwood Environmental where she developed an internal audit program, wrote the first version of the Arcwood Environmental Manifest Manual, worked closely with the IT department to improve manifest and biennial report production, and wrote hazardous waste permit applications for seven hazardous waste TSDFs (1992-2002). Ms. Martin was a cooperative education student at Arcwood Environmental (1988-2002) where she performed environmental sampling, industrial hygiene work, and emergency response.

Ms. Martin is currently the President of the Spill Control Association of America (2023-2025, formerly the VP 2021-2023, formerly the secretary 2019-2021, board member 2017-2019), a Past President of The Pesticide Stewardship Alliance (2021-2022, formerly the VP 2020-2021, board member 2017-2020), represents Arcwood Environmental on the Environmental Technology Council (currently the Treasurer 2023- current, formerly the Chairperson 2022-2023, formerly the president 2021-2022, member 2013-present), and is a member of the Purdue University Environmental and Ecological Engineering External Advisory Council (2019-2025).

Phillip Nyhof

Environmental Science Specialist, Montana Department of Environmental Quality Hazardous Waste Program, State Representative Member

Phillip Nyhof currently serves as an environmental science specialist for the Montana Department of Environmental Quality Hazardous Waste Program. In this position, Phillip Nyhof is responsible for reviewing and approving hazardous waste generator site identification numbers (EPA IDs), compliance evaluation inspections, compliance assistance, reviewing and approving annual and biennial reports, and overseeing the e-Manifest system. 

Prior to serving as an environmental science specialist, Phillip Nyhof, was the data controller for the Hazardous Waste Program. It was in this position that Phillip Nyhof gained extensive knowledge with the data within RCRAInfo and the e-Manifest system, and the issues and benefits of how the data is currently gathered, entered, stored, and presented. Working in a state that currently has no designated receiving facilities receiving hazardous waste from off-site, Phillip Nyhof has firsthand experience with working with industry, other state counterparts, and EPA in addressing e-Manifest data to ensure that the generators of Montana and the Hazardous Waste Program were able to effectively manage hazardous waste and the surrounding data. 

Phillip Nyhof previously served as the Region 8 representative on the Program Development and Data Task Force within the Association of State and Territorial Solid Waste Management Officials (ASTSWMO) (2020-2023).

Emily Spears

Manager of Hazardous Materials Compliance, BNSF Railway Company, Industry Representative Member

Emily Spears is an accomplished professional with extensive expertise in hazardous materials compliance, regulatory leadership, and client relations. For almost two decades, she has excelled in various roles within the hazardous materials emergency response and transportation industries. She currently serves as the Manager of Hazardous Materials Compliance at BNSF Railway. In her role she leads initiatives to ensure the safe and compliant transportation of hazardous materials and waste in accordance with U.S. DOT and U.S. EPA regulations. She also manages BNSF’s comprehensive hazmat regulatory compliance program. Her leadership has been instrumental in developing training programs that provide over 25,000 "Hazmat Employees" with the requisite skills and knowledge to safely transport hazardous materials in compliance with regulatory requirements. She also oversees BNSF’s hazardous waste manifesting processes, and she is currently working to leverage the EPA's e-Manifest System to optimize compliance and tracking. In representation of BNSF and the rail industry she serves on various committees including the Ask Rail Task Force, the Association of American Railroads Hazardous Materials Committee, Electronic Data Interchange (EDI) Hazmat Tag, and she chairs the Hazmat Standard Transportation Commodity Code (STCC) Database Task Force.

Dr. Albert Tay

Associate Professor of Information Technology and Cybersecurity, Brigham Young University, Information Technology Expert Member

Dr. Tay is an Associate Professor of Information Technology and Cybersecurity at Brigham Young University. He is an accomplished academic and information technology and cybersecurity expert with a diverse background in education, research, and professional practice. Dr. Tay's interdisciplinary expertise spans areas such as Data Communication, Human-Computer Interaction, Management Information Systems, and Organizational Communication.

Dr. Tay serves as Director for the Cybersecurity Research Lab, directing activities, and mentoring both undergraduate and graduate students. His research focuses on infrastructure hardening, cybersecurity education, and integrating artificial intelligence (AI) into cybersecurity. Dr. Tay's commitment to advancing knowledge in his field is evident through his extensive publication record and active participation in conferences, where he shares insights on topics ranging from cybersecurity education to effective IT support in distributed environments. Additionally, his professional experience includes managing Utah’s statewide data system program and infrastructure operations, further enhancing his holistic perspective on information management and security.

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Last updated on August 21, 2025