Meet Our Experts

Kathy Redden

Executive Assistant

Matt Valez

Operations Manager

Zach Markow, PE

Civil Engineer

John Wallace, PE

Consulting Engineer

Alexandra Cass

Associate Engineer

Bria diCicco

Marketing & Business Development Manager

Bill Callahan

Senior Environmental Compliance Specialist

Sarah Huffman, PE

Civil Engineer

George Marchenko, PLS

Senior Land Surveyor

Greg Hulburd, PE, QSD/P

Director of Water Resources

Michael Hausman, PE

Civil Engineer

Wen Bin Sullivan, PE

Civil Engineer

Jenna Mitchell

Human Resources Manager

Rachel Hawthorne, PE

Director of Civil and Transportation Engineering

Marcus Jackson

Senior Program Manager

Suzanne Baird, PLA, ASLA

Landscape Architect

Zac Powell, PE

Associate Engineer

Samar Saliba

Senior Accountant

Bryce Dilger, PLS

Senior Land Surveyor II

Jenni Metzger

Project Analyst

Brandon Puccini

Associate Engineer

Tina Mayer, PE

Principal Civil Engineer

Anthony Lehman

Assistant Resident Engineer

Josh Whipple

Senior Mechanical Designer

Mark Madonna, PE

Survey Technician

Matt Wilkins, PLA, ASLA, APA

Director of Landscape Architecture

Marilynn Connell

Landscape Designer

Jamie Rogers

Marketing Coordinator

Paula Cappiello

Senior Accountant

Nick Sine, LSIT

Survey Technician

Heather Johnson

Reception & Admin

Julie Rae Wilson

Controller

Alvaro Escobedo

Associate Engineer

Lee Faraca, PE

Civil Engineer

Tony Scalise

Assistant Resident Engineer

Luz Garcia, PLS

Professional Land Surveyor

Bill Lindahl, PE

Senior Mechanical Engineer

Valerie Huff, PE

Senior Civil Engineer

Glenn Rider

Senior Environmental Compliance Specialist

Conner Kelly, PE

Associate Engineer

Gabriela Mendoza

Accountant

Marco Castaneda, PLS

Professional Land Surveyor

Nate Whitcare, PE

Senior Designer

David Jamesson, PLA

Landscape Architect

Olivia Williams

Associate Engineer

Zachary Teske, PE

Director of Construction Management

JB Barrera

Assistant Resident Engineer

Ryan Burmaster

Survey Technician

Ralph Schell

Senior Civil Designer

Jessica Escobar, PLA

Landscape Architect

Sonil Kim

Assistant Resident Engineer

Frances Yu

Survey Technician

Jorge Avila

Assistant Resident Engineer

Cris Disarufino

Senior Civil Designer

Zachary Caipang, PE

Associate Engineer

Steven Tanaka, PE, CSI, CCS

Principal Civil Engineer

Alex Murray, PE

Civil Engineer

Tim Peterson

Project Analyst Compliance Inspector

Ethan Pence, PE

Civil Engineer

Lonnie Richardson

Senior Project Analyst

Jamie Platz, PE

Senior Civil Engineer

Daniel Herrera

Survey Technician

Clayton Bradshaw, PE, PLS

Director of Surveying

Erik Rutherford, PE

Senior Mechanical Engineer

Travis Vasquez, PE

Associate Engineer