Meet Our Experts

Bill Callahan

Senior Environmental Compliance Specialist

Olivia Williams

Associate Engineer

John Wallace, PE

Consulting Engineer

Anthony Lehman

Assistant Resident Engineer

Marco Castaneda, PLS

Professional Land Surveyor

Suzanne Baird, PLA, ASLA

Landscape Architect

Ann Sever, PLA

Senior Landscape Architect

Josh Whipple

Senior Mechanical Designer

Ryan Burmaster

Survey Technician

Jenna Mitchell

Human Resources Manager

Matt Wilkins, PLA, ASLA, APA

Director of Landscape Architecture

Sarah Huffman, PE

Civil Engineer

Paula Cappiello

Senior Accountant

Ralph Schell

Senior Civil Designer

Zachary Teske, PE

Director of Construction Management

Zac Powell, PE

Associate Engineer

Brett Hadley, PE, QSD/P

Senior Civil Engineer

Gabriela Mendoza

Accountant

Lonnie Richardson

Senior Project Analyst

Daniel Herrera

Survey Technician

Tony Scalise

Assistant Resident Engineer

Erik Rutherford, PE

Senior Mechanical Engineer

Ioanna Bruno

Landscape Designer

Bryce Dilger, PLS

Senior Land Surveyor II

Lee Faraca, PE

Civil Engineer

Zachary Caipang, PE

Associate Engineer

Skye Thomas, PLS

Senior Land Surveyor

Steven Tanaka, PE, CSI, CCS

Principal Civil Engineer

Bria diCicco

Marketing & Business Development Manager

Glenn Rider

Senior Environmental Compliance Specialist

Nate Whitcare, PE

Senior Designer

Nick Sine, LSIT

Survey Technician

Julie Rae Wilson

Controller

Travis Vasquez, PE

Associate Engineer

Conner Kelly, PE

Associate Engineer

Marilynn Connell

Landscape Designer

Alexandra Cass

Associate Engineer

Tim Peterson

Project Analyst Compliance Inspector

Valerie Huff, PE

Senior Civil Engineer

Ethan Pence, PE

Civil Engineer

Clayton Bradshaw, PE, PLS

Director of Surveying

Wen Bin Sullivan, PE

Civil Engineer

Luz Garcia, PLS

Professional Land Surveyor

Alex Murray, PE

Civil Engineer

Mark Madonna, PE

Survey Technician

Samar Saliba

Senior Accountant

Zach Markow, PE

Civil Engineer

Marcus Jackson

Senior Program Manager

Heather Johnson

Reception & Admin

Greg Hulburd, PE, QSD/P

Director of Water Resources

Jenni Metzger

Project Analyst

Brandon Puccini

Associate Engineer

Sonil Kim

Assistant Resident Engineer

Matt Valez

Office Manager

Jamie Platz, PE

Senior Civil Engineer

JB Barrera

Assistant Resident Engineer

Alvaro Escobedo

Associate Engineer

George Marchenko, PLS

Senior Land Surveyor

Bill Lindahl, PE

Senior Mechanical Engineer

Jorge Avila

Assistant Resident Engineer

Jamie Rogers

Marketing Coordinator

Rachel Hawthorne, PE

Director of Civil and Transportation Engineering

Tina Mayer, PE

Principal Civil Engineer

Jessica Escobar, PLA

Landscape Architect

Kathy Redden

Executive Assistant

Michael Hausman, PE

Civil Engineer

Cris Disarufino

Senior Civil Designer