Meet Our Experts

Tina Mayer, PE

Principal Civil Engineer

Nate Whitcare, PE

Senior Designer

Olivia Williams

Associate Engineer

Lonnie Richardson

Senior Project Analyst

Jessica Escobar, PLA

Landscape Architect

Bill Callahan

Senior Environmental Compliance Specialist

Luz Garcia, PLS

Professional Land Surveyor

Valerie Huff, PE

Senior Civil Engineer

Brandon Puccini

Associate Engineer

Greg Hulburd, PE, QSD/P

Director of Water Resources

Suzanne Baird, PLA, ASLA

Landscape Architect

Sonil Kim

Assistant Resident Engineer

Gabriela Mendoza

Accountant

David Jamesson, PLA

Landscape Architect

Nick Sine, LSIT

Survey Technician

Paula Cappiello

Senior Accountant

George Marchenko, PLS

Senior Land Surveyor

Matt Wilkins, PLA, ASLA, APA

Director of Landscape Architecture

Marco Castaneda, PLS

Professional Land Surveyor

Michael Hausman, PE

Civil Engineer

Bill Lindahl, PE

Senior Mechanical Engineer

Julie Rae Wilson

Controller

Rachel Hawthorne, PE

Director of Civil and Transportation Engineering

Anthony Lehman

Assistant Resident Engineer

Tim Peterson

Project Analyst Compliance Inspector

Mark Madonna, PE

Survey Technician

Jorge Avila

Assistant Resident Engineer

Wen Bin Sullivan, PE

Civil Engineer

Heather Johnson

Reception & Admin

Kathy Redden

Executive Assistant

Sarah Huffman, PE

Civil Engineer

Josh Whipple

Senior Mechanical Designer

Clayton Bradshaw, PE, PLS

Director of Surveying

Steven Tanaka, PE, CSI, CCS

Principal Civil Engineer

Bria diCicco

Marketing & Business Development Manager

Alexandra Cass, PE

Associate Engineer

Zachary Teske, PE

Director of Construction Management

Zac Powell, PE

Associate Engineer

Lee Faraca, PE

Civil Engineer

JB Barrera

Assistant Resident Engineer

Zachary Caipang, PE

Associate Engineer

Travis Vasquez, PE

Associate Engineer

Erik Rutherford, PE

Senior Mechanical Engineer

Samar Saliba

Senior Accountant

Alvaro Escobedo

Associate Engineer

Jenna Mitchell

Human Resources Manager

Tony Scalise

Assistant Resident Engineer

Jamie Platz, PE

Senior Civil Engineer

Marcus Jackson

Senior Program Manager

Ethan Pence, PE

Civil Engineer

Jenni Metzger

Project Analyst

Cris Disarufino

Senior Civil Designer

Glenn Rider

Senior Environmental Compliance Specialist

Conner Kelly, PE

Associate Engineer

Zach Markow, PE

Civil Engineer

Alex Murray, PE

Civil Engineer

Matt Valez

Operations Manager

Ralph Schell

Senior Civil Designer

Marilynn Connell

Landscape Designer

Jamie Rogers

Marketing Coordinator

Frances Yu

Survey Technician

Bryce Dilger, PLS

Senior Land Surveyor II

John Wallace, PE

Consulting Engineer