Martin/Martin provides civil engineering that balances entitlement, infrastructure performance, and constructability; shaping sites, utilities, and grading to support each project’s vision while navigating regulations, coordinating with stakeholders, and delivering practical, buildable solutions.

Get In Touch

Civil Engineering Contacts

Bald, smiling middle-aged man looking at the camera in a softly blurred modern interior with large windows and greenery visible outside.

Matthew B. Schlageter, PE, LEED AP

Principal

Director of Civil Engineering

Patsy Sullivan, PE, LEED AP

Principal

Civil Engineering

A bald, middle-aged man smiles at the camera, wearing a white shirt and dark blazer, posed outdoors in front of glass windows with blurred green foliage reflected behind him.

André H. Schlappe, PE

Principal

Civil Engineering

Smiling middle-aged bald man looks at camera, wearing a navy blazer and light blue button-down shirt, standing outdoors before a blurred building facade with trees and reflected windows.

Patrick (Pat) F. Horn, PE

Principal

Civil Engineering