Mr. Therrien is President and Chief Executive Officer for Envirocon. He brings over 34 years of construction and engineering industry experience which includes senior leadership positions with Morrison-Knudsen (MK), Washington Group International (WGI), and URS Corporation. Greg has overseen projects and company offices in 36 US states and 21 countries. In his unending commitment to jobsite and workplace safety, Greg was one of WGI’s first Division Presidents to become certified as a Safety Trained Supervisor. He holds a Bachelor of Science Degree in Construction Management from Washington State University (WSU). He currently serves on the Board of Trustees for the Idaho Shakespeare Festival and is an Emeritus member of the Beavers. He has previously served on the Board of the Beavers, and on the Executive Leadership Board for WSU’s Voiland College of Engineering and Architecture. As the President and CEO of Envirocon, Mr. Therrien is responsible for the strategic direction and management of the company and promoting growth and expansion for the overall success of the company.

Mr. Parker serves as Chief Financial Officer (CFO) of Envirocon. Mr. Parker joined Envirocon in 2015 and has over 15 years of experience as a financial professional. He is a Certified Public Accountant (CPA) with proven experience in management of client relationships and various compliance and consulting services to entities primarily in the corporate, partnership, and multi-state tax environments. Prior to Envirocon, he held the position of Senior Tax Manager with a large professional services firm. Mr. Parker has a Masters of Accounting from the University of Oregon, Charles H. Lundquist College of Business and a Minor in Economics. In his role as CFO of Envirocon, he is responsible for directing all financial and fiscal aspects of the company.

Mr. White has more than 20 years of environmental and commercial remediation and construction experience in managing the operational and business direction of projects, strategic project planning, safety performance, and client relations. He has been with Envirocon for over eight years, most recently serving as an Operations Director for the Remediation Services Group. Mr. White is also a certified Project Management Professional from the Project Management Institute. He has extensive senior management experience on complex Department of Energy (DOE), United States Army Corps of Engineers (USACE), and commercial projects, with a track record of maintaining project schedules, controlling overhead, and developing mutually beneficial relationships with subcontractors, vendors, and clients. In his role as Senior Vice President of Operations, Mr. White is responsible for building strategic relationships; providing operational support and oversight for resource management; and supporting the safe and quality delivery of Envirocon’s projects for our valuable clients across the country.

Mr. Kok serves as Envirocon's Senior VP of Project Delivery. Since joining Envirocon in 1989, as a Project Manager he has successfully completed numerous projects involving a vast array of technologies and processes used in the environmental remediation industry. These projects were executed for Fortune 100 and 500 firms, federal agencies, and state governments. Mr. Kok also has experience with remedial investigations, remedy evaluations and selection, and regulatory negotiations. He completed his B.S. in Earth Sciences at Montana State University. In his role, he is responsible for leading the Project Delivery Organization and managing project controls, quality, and equipment while ensuring consistency and reliability across project teams.

Mr. Joy currently serves as Envirocon’s Senior VP of Technical Services & Business Development and has over 28 years' experience performing environmental remediation and civil construction projects. He began his career at Envirocon in 1989 as a Project Engineer. Mr. Joy specializes in safe and successful execution of projects under our Operational Excellence program. He holds a Masters of Science in Geochemistry from the Montana College of Mineral Science and Technology and a B.S. in Chemistry from Montana State University. His previous project experience includes mine reclamation, dam construction, soil/sludge solidification and stabilization, cut-off walls, sludge dewatering and treatment, RCRA cap construction, residential yard removals, and sediment removal. As the leader of technical services and innovation, Mr. Joy is responsible for managing Subject Matter Experts (SMEs) and providing leadership for emerging technical and commercial solutions to our clients’ needs. He also leads the business development team to grow sustainable earnings and backlog in the environmental sector through strategic planning and capture management.

As Director of Contracts for Envirocon, Mr. D'Antuono's responsibilities include managing all contracts and subcontracts throughout the project life cycle, as well as overseeing legal matters. Mr. D'Antuono has over 32 years of experience in environmental services, remediation, demolition, geotechnical, and construction contracting including subcontracting, procurement, and serving as the Facility Security Officer for U.S. Department of Energy projects. Mr. D'Antuono has extensive knowledge in contracting with the Federal Government and the Federal Acquisition Regulation (FAR). Over his career, Mr. D'Antuono has successfully negotiated and administered large-scale contracts with federal, state, and local governments and commercial clients. He holds a B.S. in Business Administration from Shepherd University.

Mr. Curran serves as the Director of Environment, Safety & Health. Mr. Curran joined Envirocon in 2018 and has been providing technical and administrative health, safety, and industrial hygiene support to our projects. His previous experience includes creating and implementing a comprehensive EHS program for multiple locations, as well as managing and improving the health and safety program for the third-largest surface coal mine in the country. As the Director of ESH for Envirocon, Mr. Curran is responsible for managing a large staff of health and safety professionals and technicians serving as safety officers, industrial hygienists, and radiation safety officers across our projects. He holds a Master of Science in Industrial Hygiene and a Bachelor of Science in Occupation Safety and Health from Montana Tech. In addition, he is a Certified Safety Professional, Certified Industrial Hygienist, and a licensed EMT.