About Us

CEG is strongly committed to the safety of our employees, shareholders, clients, and the communities we serve.

“You’ll never know what you’re capable of achieving until you’re out of your comfort zone.”
TJ McNamara

Principal, CEG

Key Employee Bios

Thomas McNamara

CEO/President – Principal Managing Member

Mr. McNamara oversees all of CEG’s day to day operations with a focus on nuclear deactivation, decommissioning, and removal (DD&R) and business development of CEG. He is a senior nuclear and power executive with extensive U.S., Canada, and Middle East program management, construction
management and nuclear management expertise over the last 36 years in managing over $4.5B of projects in the power generation markets and governmental agencies including the Department of Energy, Department of
Defense, Naval Reactors, and US Army Corp of Engineers. Additional areas of experience and responsibilities include; full P&L responsibilities, construction management, financial management, nuclear cyber security, strategic planning, program management and large capital nuclear decommissioning and deconstruction projects. He is Particularly effective in managing large operating budgets, large capital construction projects, organizational change, and turnarounds. He has established a consistent and proven ability to lead organizations in the completion of major projects to reach a higher level of safety and performance.

Currently, Mr. McNamara also holds an outside Board position with ReXXel, LLC as Chairman of Power Services.

Mr. McNamara holds an Executive MBA Certification with Kellogg Business School, Northwestern University’s Executive Development Program and a NASD and Series 63 Professional Licenses. Additionally, he is a Commercial Nuclear National Board of Registration Society Commercial Nuclear Boiling Water Reactor & Pressurized Water Reactor Containment Specialist. Other Commercial Nuclear certifications include Radiation Protection, Rad Waste, and ALARA Engineering. McNamara attended Duquesne Prep School, MVCC, and Syracuse University Business School for his professional licenses.

John Lexo

Vice President Nuclear Operations

Mr. Lexo has more than 45 years of progressive experience in Engineering, Construction, Environmental, Waste Management, Waste Disposition, Project Management, Decommissioning & Decontamination, Demolition, and Radiological Projects on over 300 DOE and Commercial Nuclear radiological structures.

He is a degreed engineer and he is experienced is all aspects of project management and successful project execution across sixteen (16) DOE radiological sites and forty (40) commercial nuclear units. Mr. Lexo is a certified and licensed asbestos supervisor, asbestos project monitor, level 1 inspector, and certified competent person in a myriad of states. RFETS and the ORNL DOE Operations Office have awarded Mr. Lexo the project safety award for excellence and project operational award for multiple projects across both facilities. Mr. Lexo has a proven operational and safety record on over $2B in safe and successful projects; in 40 years of managing projects he has never had a recordable incident on any of his managed projects. This has been achieved by his successful implementation and enforcement of corporate health and safety programs, and all site-specific safety programs. Mr. Lexo is a former J2, US Army Intelligence and currently is CEG’s key license qualifier.

Thomas Coldwell, OHST, CHST, SMS

Director of Environmental, Safety, & Health

Mr. Coldwell provides his personal commitment to achieving CEG’s *“Zero Accident / Zero Hurts” Performance Goal* and supports our Integrated Safety Management. As a Certified Safety Management Specialist, Corporate and Project Health & Safety Manager, Mr. Coldwell provides all our nuclear and industrial jobsites a unique combination of regulatory compliance and management experience, bringing his more than thirty (30) years’ experience and lessons learned knowledge from domestic and international assignments of construction, demolition, hazardous waste management and compliance with United States Environmental Protection Agency (USEPA) and Occupational Safety and Health Administration (OSHA) standards. Mr. Coldwell has established effective on-going liaisons between CEG and outside government
agencies, professional services, and ASSP, which keeps us current on the latest occupational and environmental regulations. ORNL UT-Batelle awarded Mr. Coldwell the project safety award for excellence on the “first ever” on-site remediation and removal of LLLW lines from the Manhattan Project Hot Cells in the 3500 Area.

Mr. Coldwell’s wide-ranging technical knowledge includes Occupational Safety and Health Administration (OSHA) regulations, EM-385-1-1 (USACOE), Industrial Hygiene, United States Environmental Protection Agency (USEPA) regulations, United States Department of Energy (DOE), and the United States/International Petroleum Institute, National Examination Board in Occupational Safety and Health (UK). Former Combat Medical Specialist, US Army.

Thomas Schmidt

Senior Project Manager

Mr. Schmidt is a certified trained asbestos worker, certified competent person for excavations, confined space and heavy construction equipment, RAD II certified and a certified HAZWOPER supervisor. His experience includes the remediation, asbestos abatement, waste disposal, segregation, and demolition of over 125 radiological structures over the last twenty-six (26) years including demolition of a powerplant inside of an active refinery, strategic/selective demolition allowing previously useless structures to be repurposed with a concentration on reduce recycle, reuse being of concern on the environmental and financial front. ORNL DOE Operations Office awarded Mr. Schmidt the project safety award for excellence and project operational award for the Tank W1A project and the DD&R BOA. Mr. Schmidt is a 10-year veteran fire fighter and rescue technician of the Grand Island Fire Company of New York, as such he is no
stranger to critical high stress situations including hazardous waste emergency response operation.

Mr. Schmidt knows the importance of safety through experience; from the pre-bid walk down, mobilization and start-up, through execution and demobilization. Mr. Schmidt is known for taking the time to plan his
projects’, accounting for both safety and quality in all aspects of his projects regardless of monetary value of the contract. With projects valuing $2M – $250M, He consistently comes in under budget and ahead of schedule. Because of his continual engagement in his projects the resulting synergy created when his leadership philosophy of “know your people and know their capabilities” really shines by enabling him to engage

personnel directly and assign personnel based on their strengths rather than thinking all workers are equal because they have the same tittle. Mr. Schmidt has been directly responsible for leading his projects, totaling over 3.4M man hours without an injury or incident contributing to our ZERO HARM GOAL.


Project Manager and State License Qualifier Program Manager

Mr. Melton is a certified asbestos supervisor, certified competent person, RAD II certified and a certified HAZWOPER supervisor. His experience includes the remediation, asbestos abatement, waste disposal, segregation, and demolition of over 100 radiological structures over the last thirteen (13) years. Mr. Melton provides executive and operational management to CEG’s DD&R BOA at ORNL, SRS, and throughout the DOE Complex. As CEG’s key license qualifier, Mr. Melton is extremely familiar with each state’s business law and construction law policies and mandates. He implements those requirements on each CEG project and advises our other project professionals and subcontractors in the applicable procedures required for each state we are actively performing projects.

Mr. Melton is well diverse in his key core competencies of building and maintaining customer and business relations, effective management, team building, utilizing quality tools in everyday work practices, presentation preparation and delivery skills, and a track record of meeting and exceeding all targets and milestone goals during his career with safety awareness as a number one priority. He is experienced in all aspects of electrical, mechanical, including ASME, ANSI Standards and NEC, NFPA Codes, instrumentation, structural and civil field development of engineered construction and decommissioning programs and project labor relations ensuring safety and productivity under effective applications with 29CFR, 1910 and 1926 OSHA safety requirements, quality control and start-up/field