Meet our President


William Dana, P.E. is President and CEO of Dana Engineering, Inc and is a degreed registered professional engineer in four states with over 30 years experience.  His experience includes corporate management, Defense Base Closure and Realignment Commission (BRAC), nuclear and mechanical systems design, construction, startup and operations.  Mr. Dana holds a nuclear power plant “Senior Reactor Operator” (SRO) certification for the Trojan Nuclear Power Plant. 

Mr. Dana’s technical experience includes Design Engineering, Independent Qualified Registered Professional Engineering (IQRPE) inspection programs; Project Engineering, Nuclear design, Operational Readiness Review (ORR) and Surety Readiness (SRR) program development and implementation at the U.S. Army Umatilla Oregon Chemical Disposal Facility; Development and implementation of a Professional Engineer certification program for RCRA systems at the U.S. Army Demilitarization Facility at Pine Bluff, AR;  Hanford facility test director and engineering supervisor; and plant systems engineer for construction and operations at six nuclear facilities. 


Mr. Dana has been heavily involved in technical program and procedures development, and is a senior Level II startup test engineer.  Technical assignments include HVAC and water treatment systemization engineer; pollution abatement (scrubber) systems design engineer; nuclear bridge and gantry crane startup engineer; and hazardous waste systems specialist.


Mr. Dana performs hiring of all DEI employees to ensure compatibility with the Dana Engineering technical, ethical, attitude, and customer service core values.

Meet our Senior Vice President


Dennis Walters is the Senior Vice President of Strategic Initiatives for Dana Engineering, Inc.  Mr. Walters holds B.S. and B.A. degrees in Electrical Engineering, and Mathematics, Education, from the University of Washington. He is currently working on a masters degree, in Technology Management from Washington State University.  He has over 30 years of technical and organizational management experience.  Mr. Walters is recipient of Vice President Al Gore’s Hammer Award for increasing governmental efficiency and effectiveness at Hanford.


Prior to joining Dana Engineering, Inc. Mr. Walters worked for fourteen years with Battelle, operators of the Pacific Northwest National Laboratory.  Mr. Walters was a Management Systems Analyst in the Independent Oversight Department. Mr. Walters conducted “value mapping” sessions to support strategic planning in the Environmental Molecular Research Laboratory, the Research Campus of the Future Program, and the Business Support Services Directorate.  He has supported the Battelle, Mexico office by leading accident investigations for PEMEX, the Mexican Petroleum Company.  Mr. Walters was Battelle program manager for the Environmental Technology Division, where he marketed Laboratory capabilities, planned, staffed, and implemented safety management support tasks for the United States Department of Energy (DOE) and the United States Chemical Safety and Hazard Investigation Board (CSB). 


At Westinghouse Electric Corporation Mr. Walters was the Operations Manager at a 1,300 tons per day waste-to-energy, steam power plant. 


At Portland General Corporation, Mr. Walters was Manager of Corporate Safety, Industrial Hygiene, and Occupational Health.  At the Trojan Nuclear Power Plant, Mr. Walters was the Control & Electrical Engineering Supervisor for Plant and Security Systems Support.  His assignments included that of Design Change Coordinator, Material Control and Warehouse Supervisor, and the Plant Control Systems Electrical Engineer.  While at the nuclear power plant he was also certified as Shift Technical Advisor and qualified as a Senior Reactor Operator.


At the Naval Undersea Warfare Engineering Station, in Keyport Washington, Mr. Walters held positions as Technical Manager, Training Supervisor and Depot Repair Support Engineer. 


Mr. Walters performed military service in the U.S. Coast Guard where he received special commendation for his support the Air Cushion Vehicle Evaluation Program. 

Meet Our Principal Professional Engineer


Ann Langevin, P.E. holds a B.S. in Civil Engineering and is a registered professional engineer in the states of Washington, Alaska, and Nevada.  Ms. Langevin has 35 years experience supporting the design and implementation of projects for nuclear facilities, chiefly at the Hanford Site areas including Tank Farms, K-Basins, Plutonium Finishing Plant, T Plant Facility, and the Waste Vitrification Project. Other nuclear work includes projects for the MOX Facility, the Uranium Enrichment Facility, and Idaho National Laboratories. Past assignments include Project Manager, Principle Lead Design Engineer, Technical Expert for the Commercial Grade Dedication and Facility Design Authority.  

Ms. Langevin is the Lead Engineer for Dana Engineering, coordinating the design efforts of a multi-discipline group. She has experience in structural and civil design, and preparation of engineering documents including; Calculations, Design/Field Changes, Statements of Work, Functional Design Criteria, Unreviewed Safety Question (USQ) Evaluations, Hoisting and Rigging/Critical Lift Plans, Non-Conformance Resolutions, System Design Descriptions, Installation/Operation/Maintenance Manuals, Independent Qualified Registered Professional Engineer Reports (IQRPE), and Roof Inspection Reports.