"CEL provided an experienced and seasoned project team with extensive experience at the University of California Seismic Retrofit projects."
Bob Fox, University of California Berkeley
Division Managers
Eric J. Swenson, P.E., G.E., P.G., C.E.G.
Principal / President – Geosphere Consultants Inc.

Mr. Swenson brings over 25 years of Geotechnical experience to his position to provide practical solutions to complex problems for diverse clientele including public agencies and private developers. He leads Geosphere Consultants Inc., the Geotechnical Engineering Division of CEL. In addition to leading Geosphere, Mr. Swenson is very active in the Bay Area engineering community where he participates in many technical and trade organizations including the American Society of Civil Engineers, Coalition for Adequate Student Housing, and the American Council of Engineering Companies where he serves as both the Bay Bridge Chapter President and a State Director.

Jay Dorst, P.E.
Principal Engineer

With over 29 years of experience in the Testing and Inspection industry, Mr. Dorst brings an extensive portfolio of expertise to Consolidated Engineering Labs. Working within CEL's Consulting Division, Mr. Dorst has performed complex QA functions for public entities such as Caltrans, including oversight of inspection, testing and review of contractor QC activities. He has over 20 years of experience as a lab and field testing manager. Additionally, he has a rich blend of skills in the areas of metallurgy and associated testing, welding, coatings, electronic instrument and data acquisition, failure investigations, building condition surveys, load testing of structures and components and cyclic testing of shear walls. He serves as an industry leader through his membership in the ASTM, ACI, NACE and AWS Associations and is licensed as a Civil and Metallurgical Engineer in the State of California.

Lee Mattis, P.E.
Consulting Engineer

Mr. Mattis supervises specialty testing, investigation of construction materials and existing conditions, forensic investigations and metallurgical testing activities. He has over 40 years of experience in testing, inspection, and structural design. He is a member of ACI, ASCE, ASME ASTM, AWS, Structural Engineers Association of Northern California, Concrete Anchor Manufacturers Association and Federation International du Beton . He has a Bachelor of Civil Engineering from the University of Delaware and a MBA from California State University at Los Angeles. He is licensed as a professional engineer in California and Florida.

Jim Powers, P.E.
Senior Engineer/QC Manager

With over 25 years of experience in the testing and inspection industry, Mr. Powers brings a diverse and wide-ranging knowledge of materials, test methods, and the analysis of results. Having spent the last 21 years at CEL, Mr. Powers acts as our QC Manager, assuring the integrity and quality of our laboratory testing environment throughout all of the offices.

K.C. Dewell, P.E.
Senior Engineer

As a local graduate engineer from San Francisco State University in 1975, K.C. Dewell has served the Bay Area and beyond for more than 35 years, all in the area of Civil Engineering as it applies to structures and materials testing and evaluation. Mr. Dewell has been a P.E. and a member of the Structural Engineers Association of Northern California since 1978 and the National Academy of Forensic Engineers since 1988. Mr. Dewell enjoys field investigations of many types of structures and materials. He especially enjoys meeting the challenges presented by a complex forensic project.

Rita Archibald
Human Resources Director

Ms. Archibald oversees and directs the Human Resource activity of the Company. With over 20 years of experience, Ms. Archibald administers all of the benefit programs and ensures compliance with statutes, regulations, and internal policies. Ms. Archibald is a certified professional who actively keeps current with all sources of information so that we may best serve our most important asset, our employees.

Daniel R. Allopenna, P.E.
Senior Engineer/Division Manager - Sacramento

Mr. Allopenna started with CEL in the laboratory while attending California State University, Sacramento. Mr. Allopenna is currently the division manager of our Sacramento office and oversees the lab and field staff to ensure that our clients receive the best service. Mr. Allopenna brings 15 years of experience in the Materials Testing and Inspection and Geotechnical Engineering divisions. His knowledge and experience is a great asset to the CEL team.

Don Billings
Division Manager - Salt Lake City

With a Structural Engineering degree from Brigham Young University, Mr. Becknell is a highly skilled and experienced Structural Engineer, registered in both California and Oklahoma, with over 40 years of experience. Mr. Billings spent six years in the Nuclear and Refinery engineering industry before moving into Construction Management with various Development Firms in Southern California and Utah. Mr. Billings is professionally recognized in both the construction and engineering industries.

Barbara Cappa
Director/Business Development Executive - Pacific Region

Mrs. Cappa has been continually involved with CEL since September 1985. Since 2010, she has been the principal responsible for stimulating the growth of the Hawaii division. Her goal is to bring a quality team approach ensuring success and customer satisfaction to every project. As a Project Manager, she has a proven capacity to approach problems creatively and to effectively implement solutions. Her business acumen and willingness to exceed project expectations make her a great addition to any project team.

Austin White
Hawaii Division Manager

Austin White brings over 20 years of special inspection experience to his role as Hawaii Division Manager. His hands-on experience in leading special inspection teams on high-rise and military projects and his extensive technical knowledge with over 10 inspection certificates, gives Mr. White a unique understanding of how to resolve issues.