Professional Engineers
Civil Engineering Field of Geotechnical & Construction Materials
James Weaver, P.E., President, has over 30 years experience. He is a registered engineer in Arizona, Nevada, and New Mexico.
Jim’s extensive experience includes design services, construction quality control, and forensic investigations for
major building, bridge, and civil projects; he is well respected in the engineering community. Jim created Alpha in
1998 and has led the company through 10 years of business.
Alf Wold, P.E., Vice-President of Operations, has over 15 years of experience. He is currently
serving as an ACI examiner for the ACI Field Testing Exam. Alf’s area of expertise includes design and evaluation
of pavements (including pavement materials) and inspection of concrete and masonry structures. His experience
consists of consultation, evaluation, and management during materials sampling, testing, and inspection for
concrete and masonry structure and concrete and asphalt pavements.
Armando Ortega, P.E., Vice-President of Engineering, has over 12 years of experience. Armando’s
experience consists of design and construction on residential developments, energy facilities, roadways/highways, bridges, and
retaining structures. He has performed the pavement and geotechnical design for numerous public agencies including various
state-highway projects throughout Arizona and several large urban freeways in Maricopa County.
Furthermore, Armando has completed several forensic studies on pavement failures.