The JBE Team


JBE Management Team

John M. Beath, PE (Texas), LCACP

LLC Manager, Senior Technical Consultant and Environmental Coach

JBJohn Beath has a bachelor’s degree in chemical engineering from Georgia Tech and more than thirty years of combined engineering and environmental experience.  His industry assignments have included process engineering, planning and environmental positions at a refinery (including as an environmental superintendent), as well as a role as a corporate regional manager for remediation.  Following his industry assignments, he led program implementation at a major consultant company for eighteen years, including leading MACT implementation, Title V permitting, compliance assurance, RCRA permitting, emissions estimation, BWON, and LDAR support. He has worked in more than 16 refineries (including in China and South Africa).  Full Bio

Kristen Rowe, MEM

Sustainability Practice Manager, Senior Sustainability Consultant

KRKristen Rowe has bachelor’s degrees in both environmental engineering and international affairs from Lafayette College, and completed the Masters of Environmental Management (MEM) program at Duke University.  Kristen has ten years of experience as an environmental consultant, focused on sustainability and air compliance.  Her air environmental experience includes CEMS data analysis in support of consent decree enforcement and work on a refinery TRI report.  She has developed GHG reporting strategies for various industry sectors, and has led life cycle assessments and carbon footprints for a wide assortment of clients.  Full Bio


JBE Staff

Sarah Elizabeth Backes, Senior Environmental Consultant

Sarah Backes has a bachelor’s degree in civil engineering from the University of South Alabama and seven years of experience as an environmental consultant focused on air-related issues.  Her air experience includes supporting client needs related to the Mandatory Greenhouse Gas Reporting (GHG) Rule, as well as for Title V, PSD, NSPS, and NESHAPs programs.  This work has included reporting, permitting and emissions calculations for a multitude of industries including upstream and midstream oil and gas, downstream refining, pipelines, steel mills, chemical manufacturing, and others.   Full Bio

Daryl Beardsley, Senior Environmental and Sustainability Consultant

Daryl Beardsley has a bachelor’s degree in environmental studies from the University of Rhode Island, and a master’s degree in Technology and Policy Programs within the Department of Civil Engineering at Massachusetts Institute of Technology.  Daryl’s field of specialization is in industrial-environmental and related sustainability issues.  She has a rich set of experience working with a wide variety of clients domestically and internationally.  Full Bio

Marjorie A. Boone, PE (Texas and Oklahoma), Senior Compliance and Sustainability Engineer

MBMarjie Boone has a bachelor’s degree in biology from Indiana University and a master’s degree in chemical engineering from the University of Tulsa, as well as more than twelve years of engineering and environmental consulting experience.  She has assisted clients with compliance challenges in air, water and waste media.  She has also been instrumental in assisting clients with a number of complex carbon footprint developments using the GREET fuel and transportation model (as well as the CA-GREET related tool). Marjie is a registered professional engineer in Texas and Oklahoma.  Full Bio

Amy Caffarella, Senior Compliance and Sustainability Consultant

Amy Caffarella has a bachelor’s degree in meteorology with a concentration in air quality from Penn State University, and is currently pursuing her master’s degree in sustainable engineering (environmental sustainability track) from Villanova University.  Amy has more than ten years of environmental consulting experience, with a focus on air quality permitting, compliance, air dispersion modeling, and sustainability.  Full Bio


Rob Gronewold, PE (Wyoming), PG, Senior Environmental Consultant

Rob Rob has a BS in Geology from the University of California, Davis and an MS in Geology from the University of Wyoming.  He is unique in that he has has degrees in geology, but earned a professional engineer license in Wyoming addition to his professional geologist certification.  Prior to joining JBE Mr. Gronewold worked as the Managing Director for corporate environmental affairs for a large independent U.S. refining and marketing company. In that role he provided oversight and guidance for environmental compliance and permitting for all media, with an emphasis on air regulatory programs. He coordinated the firm’s federal Consent Decree compliance programs and responses to Clean Air Act Section 114 inquiries. He designed and implemented the company’s compliance program for a complex multi-refinery Consent Decree that focused on flaring and various hazardous air pollutant compliance programs.  Full Bio

Scott Kirby, Ph.D., Senior Compliance Consultant

Scott has a doctorate and a master’s of science in environmental engineering, and a bachelor’s degree in civil and environmental engineering, all from the University of Alabama.  Scott has more than nine years of compliance management consulting, specializing in air quality permitting and compliance, process safety and risk management, and environmental management information systems design and deployment.  Full Bio


Cam Pascual, Sustainability Specialist


Cam has a bachelor’s degree in Biology with minor in International Development and Conflict Management from the University of Maryland, and is the co-founder of the Food Recovery Network (FRN).  Cam has also served as robotics expert and wrote emerging technology cable and information memo for Undersecretary Catherine Novelli at the Department of State.  In addition, she has collaborated with both Turkish and American researchers on field and lab experiments studying solitary bee diversity and the impact of neonicotinoid exposure on honeybees at the National Science Foundation.  Full Bio

Doug Price, PE (Texas), Senior Environmental Engineer

Doug has bachelor’s degrees in chemical engineering and business administration finance from UT Austin.  He  has over thirty years of experience in the environmental field, with a strong emphasis in air quality issues.  He has provided environmental consulting services to clients in the refining, petrochemical, oil & gas, and other industries; and also has twelve combined years industry experience in refinery and division-level environmental compliance assignments.  Full Bio

Dean Ritts, PE, CEM, LEED AP O+M, Compliance and Sustainability Engineer

DRDean Ritts is an environmental engineer with nearly thirty years of experience in Environmental Compliance and Sustainability Engineering.  He has been leading EHS-S teams that deliver reductions in non-compliance events and sustainable solutions by finding common ground across diverse constituencies within manufacturing, R&D, and corporate environments.  He has had the unique experience of performing engineering services for an engineering design firm, as well as for a major environmental consulting firm.  His environmental compliance experience extends broadly into all media, and he has extensive experience in the use of the WATER9 wastewater treatment air emissions model.  Full Bio