Moe Engineering, Inc. has a staff of seven people working out of our office in Santa Rosa ready to assist with the City’s projects.

John L. Moe, President and Principal Engineer

John is licensed in the State of California as both a Professional Civil Engineer (RCE C 48460) and a Professional Land Surveyor (PLS 8400). He has a Bachelor of Science degree in Civil Engineering (BSCE) from the University of the Pacific, Stockton, California. John has over 25 years of civil engineering experience which encompasses street improvement design, storm drainage design including hydrology and hydraulic analysis, surveying, project management, and commercial and residential site improvement design. In addition, he has over 18 years of experience as a consultant providing local agency assistance as detailed in the Business Profile above.

Nathan Valles, Senior Engineer

Nathan is a licensed Professional Civil Engineer (RCE C 62118). He received both his BS in Civil Engineering and Masters in Structural Engineering from San Jose State University. Nathan brings over thirty years of extensive experience to Moe Engineering which is essential for a broad range of municipal engineering support. His expertise includes roadway design, pedestrian and bicycle facility design, water, sewer, and storm drain design, grading plan review, airport expansion management, and permit review, among others.

Richard F. (Rick) Pedroncelli, Land Surveyor

Rick is a licensed Professional Land Surveyor (PLS 8562). He received both his Associate of Science and Certificate in Civil Engineering Technology from Santa Rosa Junior College. Rick has over twenty-six years of municipal Public Works Engineering and Land Surveying experience, including Development Review processing & administration, Capital Project Management, Subdivision Map review, GIS/Mapping, traffic signal design/construction/maintenance, pedestrian & bicycle facility design, and water, sewer, and storm drain design.

Kevin McDonnell, Engineer

Kevin is a licensed Professional Civil Engineer (PE 35099). He graduated from Santa Clara University with a Bachelor of Science in Engineering. Kevin recently retired from the Marin Municipal Water District, where he spent 36 years dealing with Civil Infrastructure, Hydraulics, and Utility Coordination. Kevin has managed multi-million-dollar programs relating to water systems, coordinated projects with agencies and contractors, and performed numerous utility plan reviews.

Dave Silzle, Assistant Engineer

Dave is a certified Engineer-In-Training (EIT 117069). He graduated from Santa Rosa Junior College with an Associate of Science in Engineering. Dave has extensive experience in project management, consultant selection procedures, project scheduling, DBE program updates, Caltrans funding procedures, and a variety of state- and federally- funded grant programs.

Rich Isaacs, Engineering and Survey Technician

Rich is a certified Land-Surveyor-In-Training (LST 6847). He graduated from Santa Rosa Junior College with a certificate in Civil & Surveying Technology. In addition, Rich has a Bachelor of Arts in Broadcast Communication Arts from San Francisco State University. He has over ten years of experience in drafting, preparing plans, specifications & estimates, writing staff reports and resolutions, and coordinating and advertising projects. Rich also brings a strong background in business and customer service.

Jeannette Moe, Office Manager

Jeannette manages and coordinates meetings, correspondence and project scheduling. In addition, she provides project processing assistance to agencies for their federal and state funded grant projects. Jeannette brings her previous experience in customer service and marketing to round out our office staff.



2950 Montecito Ave.
Santa Rosa, CA 95404

RCE C 48460, PLS 8400