Who We Are

Principals

William A. Leslie, S.E.
Licenses: California - Civil #58070, Structural #4755
Education: BS in Civil Engineering, University of California at Berkeley 1994

Will has over 15 years of experience in structural engineering, project management, and forensic engineering. He has design experience with steel, tilt-up, masonry, wood, cast-in-place concrete, and tenant improvement projects. He specializes in steel framed structures, having designed over thirty large scale steel buildings ranging up to twelve stories in height.


Marshall Casey Pfeiffer, S.E.
Licenses: California - Civil #62000, Structural #5013
Education: BS in Civil Engineering, University of Notre Dame 1994

Casey has over 13 years of experience in structural engineering and project management.  He has designed structures in steel, concrete, masonry, and wood.  The projects range from large hospital projects and office buildings to custom residential and small tenant improvements.

Associates

Lisa F. Orgren, S.E.
Licenses: California - Civil #68098, Structural #5299
Education: MS in Civil/Structural Engineering, University of Texas at Austin 2003
                BS in Civil Engineering, University of Virginia 2001

Lisa has six years of structural engineering experience. She has worked on mulitple steel, concrete, masonry, and wood projects, including several with DSA or OSHPD review.


Matthew T. McPherson, P.E.

Licenses: California - Civil #50327, Nevada - Civil #012975, Arizona - Civil #31988
Education: BS in Architectural Engineering, California Polytechnic State University San Luis Obispo 1988

Matt has over 20 years of experience in structural engineering and forensic engineering. He specializes in wood framed construction, both new and remodel.


Efrain Arvizu
Education: BS in Civil Engineering, San Diego State University 1995

Efrain has over 10 years of experience in the management and design of Tenant Improvement projects in a wide range of construction materials. His engineering background compliments his AutoCAD drafting skills.