Meet Our Experts

George Marchenko, PLS

Senior Land Surveyor

John Wallace, PE

Consulting Engineer

Lonnie Richardson

Senior Project Analyst

Sonil Kim

Assistant Resident Engineer

Jamie Platz, PE

Senior Civil Engineer

Matt Wilkins, PLA, ASLA, APA

Director of Landscape Architecture

Michael Hausman, PE

Civil Engineer

Josh Whipple

Senior Mechanical Designer

Nate Whitcare, PE

Senior Designer

Bill Lindahl, PE

Senior Mechanical Engineer

Marco Castaneda, PLS

Professional Land Surveyor

Anthony Lehman

Assistant Resident Engineer

Suzanne Baird, PLA, ASLA

Landscape Architect

Alexandra Cass

Associate Engineer

Brandon Puccini

Associate Engineer

Glenn Rider

Senior Environmental Compliance Specialist

Zac Powell, PE

Associate Engineer

Zachary Caipang, PE

Associate Engineer

Marilynn Connell

Landscape Designer

Bill Callahan

Senior Environmental Compliance Specialist

Ryan Burmaster

Survey Technician

Valerie Huff, PE

Senior Civil Engineer

Daniel Herrera

Survey Technician

Luz Garcia, PLS

Professional Land Surveyor

JB Barrera

Assistant Resident Engineer

Samar Saliba

Senior Accountant

Rachel Hawthorne, PE

Director of Civil and Transportation Engineering

Erik Rutherford, PE

Senior Mechanical Engineer

Steven Tanaka, PE, CSI, CCS

Principal Civil Engineer

Frances Yu

Survey Technician

Jamie Rogers

Marketing Coordinator

Paula Cappiello

Senior Accountant

Zachary Teske, PE

Director of Construction Management

Lee Faraca, PE

Civil Engineer

Nick Sine, LSIT

Survey Technician

Ethan Pence, PE

Civil Engineer

Conner Kelly, PE

Associate Engineer

Jorge Avila

Assistant Resident Engineer

Jenni Metzger

Project Analyst

Mark Madonna, PE

Survey Technician

Cris Disarufino

Senior Civil Designer

Wen Bin Sullivan, PE

Civil Engineer

Sarah Huffman, PE

Civil Engineer

Greg Hulburd, PE, QSD/P

Director of Water Resources

Jenna Mitchell

Human Resources Manager

Ralph Schell

Senior Civil Designer

Heather Johnson

Reception & Admin

Olivia Williams

Associate Engineer

Alex Murray, PE

Civil Engineer

Matt Valez

Operations Manager

Jessica Escobar, PLA

Landscape Architect

Marcus Jackson

Senior Program Manager

Clayton Bradshaw, PE, PLS

Director of Surveying

Tim Peterson

Project Analyst Compliance Inspector

Travis Vasquez, PE

Associate Engineer

Gabriela Mendoza

Accountant

Tony Scalise

Assistant Resident Engineer

Alvaro Escobedo

Associate Engineer

Zach Markow, PE

Civil Engineer

Bria diCicco

Marketing & Business Development Manager

Julie Rae Wilson

Controller

David Jamesson, PLA

Landscape Architect

Bryce Dilger, PLS

Senior Land Surveyor II

Kathy Redden

Executive Assistant

Tina Mayer, PE

Principal Civil Engineer