Chet Knaup
PE, LEED AP BD+C, BEMP
PRESIDENT
Chet’s interest in energy efficiency began in 2000, while working for an HVAC manufacturer. Since then, Chet transitioned into consulting engineering where his passion for energy efficiency blossomed and grew, as he practiced in one of the greenest cities in the US: Portland, OR. Over the past 20 years, Chet has had the unique opportunity to work on energy efficient projects in numerous states and multiple countries across five continents. His passion for developing unique methods of energy reduction has never wavered. Chet has worked with green building certification programs for the past 14 years and has been fortunate to have worked on LEED and Passive House (PHIUS) Certified projects, as a Mechanical Engineer, Energy Engineer, Sustainability Consultant and Project Manager.
EDUCATION: Bachelor of Science in Mechanical Engineering Technology
ACCREDITATIONS: Licensed Professional Mechanical Engineer in Virginia, Member of ASHRAE, Member of USGBC, USGBC LEED AP BD+C, ASHRAE Building Energy Modeling Professional
Tom Polansky
SENIOR ENERGY ENGINEER & ACCOUNT MANAGER
TPolansky@spectrumenergyllc.com
Tom is a mechanical engineer executive with 30 years of experience in the areas of energy conservation projects, design of energy efficient mechanical systems, implementation of emerging renewable energy distributed generation technologies, and all types of energy efficiency.
Earlier in his career, Tom was instrumental in selling and overseeing projects with the military and NASA including specialized HVAC systems to cool docked submarines, ruggedized mobile electronics shelters, anti-ballistic missile defense systems, three of the space shuttles, Delta rockets, and highly specialized transport systems for satellites. Later in his career, he was responsible for many energy projects including extensive energy projects at five large Army garrisons in the MD/VA/DC area.
With his passion in energy efficiency, he analyzes buildings to determine the most cost-effective energy conservation measures using both conventional and out of the box approaches.
EDUCATION: Valparaiso University, Bachelor of Science in Mechanical Engineering
Shailesh Negi
CEM, BEP
SENIOR ENERGY ENGINEER, LEAD
He is a licensed Certified Energy Manager and Business Energy Professional with over 12 years of energy engineering, energy management experience. His interest in energy efficiency and management sparked in 2008 when he was granted an opportunity to work as a Research Associate with the Industrial Assessment Center at Oklahoma State University. He turned his interest into a full-time passion and has ever since gained valuable experience developing turnkey energy projects for Commercial and Industrial sectors. His expertise further expands to providing technical leadership and cost-effective framework for various state driven utility demand response programs.
Shailesh also serves as a mentor and believes in fostering an environment where brainstorming leads to practical ideas and effective solutions for his clients. During his free time, Shailesh enjoys traveling, watching sports, cooking, and spending time with his family.
Dave Lima
ACCOUNT MANAGER
David is a seasoned energy and sustainability professional with over 20 years of experience driving strategic initiatives across the commercial and industrial energy sectors. As a Business Development and Account Manager, he specializes in energy procurement, utility program optimization, and delivering tailored, sustainable solutions that align with both financial and environmental goals.
Throughout his career, David has led complex projects, negotiated high-value contracts, and built long-term client relationships by aligning technical insight with business strategy. His previous roles include Global Energy Manager at W.R. Grace and Energy Consultant at Resource Energy Systems, where he developed ESG strategies, managed procurement portfolios, and supported corporate carbon reduction goals. He began his career at Constellation, where he consistently exceeded performance targets and established a strong foundation in advanced energy solutions.
David brings a unique blend of technical expertise, financial acumen, and strategic vision to every engagement, consistently delivering value and supporting long-term sustainability objectives.
EDUCATION: York College of Pennsylvania, Bachelor of Science in Business Management
Robin Seabolt
CEM, CMVP
SENIOR ENERGY ENGINEER
RSeabolt@spectrumenergyllc.com
Robin is a Certified Energy Manager and Certified Measurement and Verification Professional with over 30 years of energy engineering and project development experience. After spending many years in R&D at a major equipment manufacturer, she realized that energy efficiency brought together interests for better more efficient buildings and the desire to decrease the impact the equipment that she designed left on the earth. She has worked for various HVAC equipment manufacturers supporting sales teams by educating account managers and clients in energy efficiency. She has performed energy audits in thousands of buildings to identify unique solutions to meet the needs of the client.
EDUCATION: Bachelor of Science in Mechanical Engineering UMBC, Bachelor of Science Medical Technology University of Maryland Medical School
ACCREDITATION: Certified Energy Manager, Certified Measurement and Verification Professional
Jen Xiong
ENERGY ENGINEER III
Jen received her master’s degree in electrical engineering from North Carolina State University. Her interest in energy efficiency sprouted since 2014, while working as an application engineer for an HVAC manufacturer to provide energy efficient and cost-effective solutions for various waste heat recovery projects. Since then, she expanded her passion in building energy efficiency and energy modeling. Jen’s unique background in Electrical and Mechanical Engineering helps her to evaluate and develop green solutions in an integrated way.
EDUCATION: North Carolina State University Master of Science in Electrical Engineering
ACCREDITATION: Certified Energy Manager, AEE. LEED AP Building Design and Construction
Trevor Pontacq
ENERGY ENGINEER II
TPontacq@spectrumenergyllc.com
Trevor is an Energy Engineer who received his bachelor’s degree in mechanical engineering from the University of California, Davis. After dedicating his time in college to researching alternative forms of renewable energy Trevor was motivated to pursue a career as an Energy Engineer at Spectrum Energy. Utilizing his experience with building energy modeling, Trevor works with clients to determine energy conservation measures that can help projects reach their full energy efficiency potential. He is determined to uncover all available financial benefits for customers searching to become energy efficient and save on costs.
EDUCATION: The University of California, Davis Bachelor of Science in Mechanical Engineering
Delia Fishburne
ENERGY ENGINEER I
DFishburne@spectrumenergyllc.com
As an Energy Engineer, she brings a thoughtful, analytical approach to every project, with a focus on optimizing building performance and reducing environmental impact. Delia’s passion for energy engineering was sparked by the opportunity to apply engineering theory to practical energy solutions that drive efficiency and sustainability. Delia has developed strong project management, customer service, and communication skills through her leadership experience as a Technical Supervisor at Terrapin Works, a university makerspace lab.
Delia also has a passion for supporting future engineers, which was shaped by her time as an A. James Clark Engineering School Ambassador, where she guided prospective students as they began their engineering journey.
EDUCATION: The University of Maryland Bachelor of Science in Mechanical Engineering with a minor in Global Engineering Leadership
Lauren Johnson
PROJECT ADMINISTRATOR
LJohnson@spectrumenergyllc.com
Lauren Johnson has dedicated years to a career in administration and finance. Her experience in accounts receivable for a multi-location healthcare organization, customer service in multiple industries, and organizing different projects throughout her career lends to her current role as Project Manager for Spectrum Energy LLC. Lauren has a passion for project management and is currently attending classes in pursuit of a Project Management Professional Certification.
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