
The Enthalpy Leadership Team
Technical leaders and experts dedicated to our people, customers, and science.

Steven Eckard, PE


Bryan Tyler
Bryan Tyler has focused his career on building, growing, and scaling businesses across multiple markets. He’s well-versed in both organic and inorganic growth and has brought this and his more than 15 years of laboratory experience to his role as Senior Vice President of Environmental Laboratories at Enthalpy Analytical, LLC, a division of Montrose Environmental Group.
In his current position, Tyler manages Enthalpy’s eight US-based air, soil, and water laboratories. This includes acquiring and integrating new labs while aligning existing labs so all are contributing to the overall mission of the Montrose Environmental Group.
Tyler has a bachelor’s degrees in both Chemistry and Animal Science, along with a master’s degree in Business Administration from North Carolina State University.

Peter Arth
Peter Arth is an environmental scientist with a passion for applying an understanding of the intersection of toxicology, biology, ecology, and chemistry to understand, navigate, and solve complex environmental issues. Over the course of his career in environmental laboratory services and consulting, he’s held positions as analyst, project manager, and operations manager. He is currently the Director of Enthalpy Analytical’s Environmental Toxicology division where he oversees its technical, financial, and strategic success.
Peter has led laboratory-driven toxicological programs for commercial, industrial, governmental, and academic partners. He is well-versed in all aspects of performing and interpreting toxicity tests under guidelines published by a variety of regulatory agencies. His primary technical focus and expertise is the design, performance, and interpretation of site-specific toxicity investigations in freshwater, marine, and terrestrial environments. He has been engaged in Toxicity Identification Evaluations and other toxicity testing method development and adaptation, advocated for novel uses of bioassays as regulatory and risk assessment tools, and has presented his work at meetings and conferences across the country.
In all programs, Peter places a strong emphasis on effective collaboration, developing clear goals and objectives and attaining them cost efficiently, using sound experimental design, achieving unassailable data quality, and gaining client and regulatory approval.

Dennis Dorning


Brad Moravec


Mike Allen

Mike Allen is Vice President, Technical at Enthalpy Analytical. Over the span of his 30-year career, Mike has spent time in various key leadership roles of the analytical laboratory business including new lab start up, operations management, method development validation and troubleshooting, business development, strategic planning, acquisition and integrations.
Prior to joining Enthalpy, Mike was owner of a consulting business advising Pharmaceutical companies, CROs, and Environmental laboratories. Before his consulting business, he was Director of Bioanalytical Science for Covance.
In his current role, Mike works as a bridge between sales and operations to understand customer needs and deliver optimized solutions, works closely with lab operations on process improvements and method troubleshooting, and provides technical guidance to achieve strategic objectives.

Marcus Hueppe

Mr. Hueppe has twenty years of laboratory management experience in operations, method development, quality systems and accreditation, bringing valued support and knowledge to Enthalpy’s lab network. Marcus is particularly adept to California air quality regulations and rules especially those governed by SCAQMD, BAAQMD, SDAPCD, SJVUAPCD and SMAQMD, as well as other agencies including ASTM, NCASI, CARB and the EPA. He has a Biomedical Engineering degree with an emphasis in Biochemical Engineering as well as an extensive and diverse expertise in Ambient Air Monitoring Programs, Source Emissions Testing, Industrial Hygiene, Vapor Intrusion and Remediation.

Teresa Morrison


Valgena Respass


Cam Pham
Cam Pham received her Bachelor of Science in Chemistry at California Polytechnic University and brings 35 years of industry experience. She has experience in on site management, business development, project management, account management, product management and as a bench and mobile lab Chemist. As a lab director she has leveraged this experience to grow a lab from a $3M to a $13M operation in just 7 years. She has proven herself to be a business and technical leader on federal, state and local drinking water compliance as well as EPA’s UCMR programs.

Jamie Fox
Jamie has over 25 years of experience in the environmental and analytical testing industry. He began his career working as a bench chemist in a dioxin testing laboratory and since has worked in pharmaceutical testing, data validation, chemistry consulting, and business development. For the past 2 years, he has been with Vista Analytical Laboratory in El Dorado Hills, CA and recently stepped in as Laboratory Director following the acquisition by Enthalpy Analytical. He has a B.S. in Biochemistry from the University of Missouri-Columbia.

Clint David


Mandy Mishra

She provides concrete managerial expertise, analytical support and regulatory guidance to her immediate team and also serves as a technical and regulatory point of contact for a wide variety of clients and Accrediting Bodies, including but not limited to West Virginia, North Carolina, Virginia, New Jersey, New York, Pennsylvania & Maryland. She is also responsible for development of the administrative infrastructure with continuous strategic planning, which includes business development, managing P&L and Quality Assurance of the laboratory.
She has Bachelor of Science in Biotechnology from Rochester Institute of Technology and Masters of Business Administration from Longwood University.

Kasey Raley


Clint Thrasher

Clint Thrasher is a laboratory director at Enthalpy Analytical. He has over 17 years of experience in the environmental services industry, specializing in the analysis of environmental samples. Clint has been employed with Enthalpy since 2005 and in that time has had four different job titles: FTIR/GC analyst, field testing team leader, staff engineer, and finally, laboratory director. He is extremely well-versed in all of Enthalpy’s laboratory processes. Outside of work, Clint is involved in the air and waste management association (AWMA) Gulf Coast.
Clint received a BA in chemistry and a BS in chemical engineering from North Carolina State University.