
OUR TEAM
Core Values
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Develop and promote a Safety Culture that provides our employees with a safe place to work, while encouraging others to work safe.
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Provide our employees the tools and opportunities to achieve an enriching work experience.
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Provide our employees a flexible workplace and empower them to attain their full potential.
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Design quality into our deliverables and show our clients that we have pride and ownership in all that we provide them.
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Protect our environment by incorporating sustainability, energy conservation and waste management into our project designs and thought processes.
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Go above and beyond in all work products.
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Give back to the Community whenever possible through volunteerism.
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Be honest, forthright, and ethical in all endeavors.

THERESA JEHN-DELLAPORT, P.G.
Chief Executive Officer (CEO)
Theresa brings over 30 years of experience in water and environmental consulting to Quantum. As President of Quantum, she uses her extensive experience leading large multidisciplinary technical staff, subcontractors, and consultants to develop a high quality comprehensive strategy that meets the needs of clientele. Theresa regularly provides expert testimony in Colorado Water Court Cases and has provided expert witness services on behalf of the State. She has served as President on the Colorado Board of Examiners of Water Well Construction and Pump Installation Contractors.
CODY DELLAPORT, GISP
Chief Operating Officer (COO)
Mr. Dellaport is responsible for thematic cartography, reference mapping, and 3D geographic animations leveraged through ESRI's ArcGIS Suite©. Mr. Dellaport is an expert in graphic design applications and specializes in using the Adobe Creative Cloud Suite© to produce compelling print and electronic media that depicts topics of a highly technical and scientific nature. Through the integration of the ArcGIS Suite© and the Adobe Creative Cloud Suite©, Mr. Dellaport is among the vanguard of the fusion of digital graphic design and cartography.
MIKE POMPLIANO, P.E.
Environmental Division Manager
Mike is a Senior Environmental Engineer with 18 years of experience on federal, state, city, and commercial remediation projects. He has supported the investigation, treatment, and evaluation of impacted groundwater, soil vapor, landfill, and indoor air sites in Colorado and around the US. His roles include program manager, project manager, project engineer, and field team leader. He has extensive experience managing complex remediation projects and has implemented numerous in situ and ex situ treatment technologies. He is also experienced with the sampling and management of emerging contaminants including PFAS, 1,4-dioxane, and 1,2,3-trichloropropane.
MATHEW BESHEARS, P.G.
Project Manager
Mat is a Professional Geologist licensed in California. He has over 13 years of experience in mining, environmental hydrogeology, and geology. As a Project Manager, he manages and provides techincal oversight of environment and water projects, he manages drilling programs and core logging, and manages sampling and monitoring programs. Mat uses his unique background to develop quality solutions for clients through a strong attention to detail and communication skills.
MADISON MEISSNEST, E.I.T.
Project Manager
Madison is skilled at managing multiple projects simultaneously. She provides support in the collection of environmental samples, groundwater monitoring, soil vapor screening, database management, and AutoCAD® support. She is skilled in accurate data collection and reporting. As a Project Manager, she leads large environmental, water rights, and water resource projects.
COURTNEY WEBER, E.I.T.
Staff Engineer
Courtney is an environmental engineer-in-training with expertise in environmental monitoring and data analysis. As a Staff Engineer at Quantum, she plays a key role in supporting the team on environmental and water projects. Courtney’s hands-on experience includes fieldwork and environmental sample collection across a variety of mediums, including soil, air, stormwater, soil vapor, and groundwater. She is also skilled in data management, verifying and analyzing field data using electronic methods.
JOHN DELLAPORT, P.E., P.G.
Senior Engineer
John is a Professional Engineer licensed in Colorado, Wyoming, and Utah and a registered professional geologist in several states. He has over 35 years of experience in environmental consulting and has managed assessments and remediation of many complex sites throughout the U.S. As Environmental Division Manager for Quantum, he mentors staff on the development and execution of environmental projects and manages environmental cleanup and landfill closure projects valued at over $5M.
NICOLE TONEY
Business Manager
Nicole brings over 30 years experience in accounting for construction and engineering solutions. Nicole has experience in accounting management. Nicole is an expert in numerous accounting platforms. As Quantum’s Business Manager, she handles the administrative aspects of running the business, such as accounting and payroll.