Meet Our Experts

Heather Johnson

Reception & Admin

Bill Callahan

Senior Environmental Compliance Specialist

Conner Kelly, PE

Associate Engineer

John Wallace, PE

Consulting Engineer

Cris Disarufino

Senior Civil Designer

Ryan Burmaster

Survey Technician

Marilynn Connell

Landscape Designer

Tony Scalise

Assistant Resident Engineer

Jenni Metzger

Project Analyst

Marco Castaneda, PLS

Professional Land Surveyor

Erik Rutherford, PE

Senior Mechanical Engineer

Bill Lindahl, PE

Senior Mechanical Engineer

Michael Hausman, PE

Civil Engineer

Lonnie Richardson

Senior Project Analyst

Valerie Huff, PE

Senior Civil Engineer

Matt Wilkins, PLA, ASLA, APA

Director of Landscape Architecture

Nick Sine, LSIT

Survey Technician

Olivia Williams

Associate Engineer

Zachary Teske, PE

Director of Construction Management

Jorge Avila

Assistant Resident Engineer

Alvaro Escobedo

Associate Engineer

Greg Hulburd, PE, QSD/P

Director of Water Resources

Alexandra Cass

Associate Engineer

Matt Valez

Operations Manager

Suzanne Baird, PLA, ASLA

Landscape Architect

Travis Vasquez, PE

Associate Engineer

Sarah Huffman, PE

Civil Engineer

Zachary Caipang, PE

Associate Engineer

Marcus Jackson

Senior Program Manager

Wen Bin Sullivan, PE

Civil Engineer

Samar Saliba

Senior Accountant

Julie Rae Wilson

Controller

Tina Mayer, PE

Principal Civil Engineer

Jamie Rogers

Marketing Coordinator

Kathy Redden

Executive Assistant

Zac Powell, PE

Associate Engineer

Paula Cappiello

Senior Accountant

Sonil Kim

Assistant Resident Engineer

Luz Garcia, PLS

Professional Land Surveyor

Ethan Pence, PE

Civil Engineer

George Marchenko, PLS

Senior Land Surveyor

Brandon Puccini

Associate Engineer

Anthony Lehman

Assistant Resident Engineer

Tim Peterson

Project Analyst Compliance Inspector

Glenn Rider

Senior Environmental Compliance Specialist

Alex Murray, PE

Civil Engineer

Zach Markow, PE

Civil Engineer

Jessica Escobar, PLA

Landscape Architect

Frances Yu

Survey Technician

Clayton Bradshaw, PE, PLS

Director of Surveying

Nate Whitcare, PE

Senior Designer

Gabriela Mendoza

Accountant

Jenna Mitchell

Human Resources Manager

Bria diCicco

Marketing & Business Development Manager

Lee Faraca, PE

Civil Engineer

David Jamesson, PLA

Landscape Architect

Jamie Platz, PE

Senior Civil Engineer

Steven Tanaka, PE, CSI, CCS

Principal Civil Engineer

Josh Whipple

Senior Mechanical Designer

Rachel Hawthorne, PE

Director of Civil and Transportation Engineering

Bryce Dilger, PLS

Senior Land Surveyor II

Mark Madonna, PE

Survey Technician

JB Barrera

Assistant Resident Engineer

Ralph Schell

Senior Civil Designer

Daniel Herrera

Survey Technician