At GCI, people
come first.
Everyone at GCI brings something unique to the table.
We believe that a diverse range of backgrounds and viewpoints help us deliver the best results for our clients. One thing we all share? A genuine passion for what we do.
Our Team
Valerio Cervantes
Superintendent
James Buresh
Vice President
Robert Moore
Project Manager
Emmanuel Norberto-Miranda
Laborer
Cris Rosete
Receptionist
Alejandra Arce
Sustainability Manager
Carlos Polanco
Carpenter Foreman
Anthony Polinski
Assistant Project Manager
Keith Luna
Project Manager
Steve Sanchez
Project Manager
Jose Alfredo Perez
Laborer
Tom Southam
Principal
Sam Fraser
Project Engineer
Edilberto Orozco
Laborer
Pedro Zetina
Carpenter
Mark Quam
Superintendent
Drew Detwiler
Project Manager
Randall Horn
Project Manager
Collin Kinkead
Assistant Superintendent
Alexander Becerra
Madrone Laborer
Tucker Lico
Assistant Project Manager
Hector Pelayo
Laborer
Ali Oswalt
Client Relations Manager
Lee Seacrist
Superintendent
Salvatore Villalobos
Laborer
Tiffany Do
Project Accountant
Oscar Flores
Madrone Laborer
Armando Chavez
Madrone Laborer
Josvani Pelaez
Laborer
Sarah Ginilo
Project Coordinator
Fernando Ortega
Carpenter
Hector Tellez
Laborer
Branon Conzet
Superintendent
Jose Gallardo
Madrone Laborer
Jose Ramos
Superintendent
Robert Richmond
Project Manager
Darren Leary
Director of Self Preformed Work
Gregorio Reyna
Laborer
Jaime Gutierrez
Warehouse Tech / Driver
Joe Hinojosa
Laborer
Nate Farey
Assistant Project Manager
Paul Kern
Superintendent
Steve Weiss
Traveling Superintendent
Ray Soriano
Project Coordinator
John Austin
Junior Project Accountant
John Barmen
Estimator, Self Performed Work
Brian Wright
Superintendent
Luke Watson
Project Manager
Kathleen Su
Sustainability Intern
Arthur Herzog
Laborer
Jose Reyes
Madrone Labor Foreman
Oscar Gutierrez
Laborer
Madeline Duignan
Marketing Director
Virginia Lujan
Project Coordinator
William Guifarro
Laborer
Librado Garibay
Madrone Laborer
Jose Garcia Diaz
Laborer
Norberto Magdaleno
Madrone Laborer
Keeky Lam
Project Accountant
Jose Chavez
Superintendent
Sergio Perdomo
Madrone Laborer
Chris Sazo
Preconstruction Bid Coordinator
Jamie Guevara
Project Manager
Javier Cardenas
Laborer
Zach Feece
Project Engineer
Natalie Shearing
Project Engineer
James Jenkins
Principal
Carlyn Strang
Assistant Marketing Manager
Fernando Iniguez
Vice President
Ariel Magdelano
Madrone Laborer
Victor Ventura
Laborer
Tom Frank
Superintendent
Refugio Ramirez
Laborer
Hugo Ramirez
Laborer
Mario Cordero Jr.
Madrone Carpenter
Rebecca Dethero
Project Accountant
Juan Munoz
Laborer
Benito Mendez
Carpenter
Jesus Aguirre
Madrone Labor Foreman
Juan Mendez
Laborer
Rick Trueb
Superintedent
Billy Fette
Superintendent
Jon Helman
President
Jeobani Lopez
Madrone Labor Foreman
James Collins
Project Executive
Jose Perdomo
Laborer
Juan Aguirre
Madrone Laborer
Tim Scalmanini
Superintendent
Roberto N Velasquez Araujo
Madrone Laborer
Luis Ramirez
Laborer
Todd Riddle
General Superintendent - South Bay
Gavin Windell
Project Manager
Evaristo A Escobar
Laborer
Sara Cameron
Marketing Manager
Victor Barba
Laborer
Seth Berling
Director of Preconstruction
Dillon Sanchez
Carpenter Apprentice
Junior Mendez
Laborer
Abraham Diaz
Labor Superintendent
Shirley Stephens
Superintendent
Hayley Soderlund Macko
Principal
Hugo Zermeno
Labor Foreman
Jose Moya
Madrone Laborer
Jose Manzo
Laborer
Carlos Parra
Carpenter
Amber Opetaia
Payroll Coordinator
Antonio Arriaga
Laborer
Dennis Campbell
Superintendent
Eva Truong
Assistant Controller
Carlos Polanco Jr.
Carpenter
Sarah Suppes
Project Coordinator
Tony Moranda
Superintendent
Tejaswini Chalasani
Project Manager
Chris Figone
Superintendent
Jorge Cornejo
Madrone Labor Foreman
Rachel Durante
Accounts Payable
Carlos Munoz
Laborer
Arturo Ortega
Madrone Laborer
Pedro Andrade
Madrone Laborer
Brian Lundberg
Superintendent
Marcus McDaniel
Project Engineer
Efrain Ontiveros
Equipment Manager
Jerry Pfefferkorn
Safety Director
Juan Cabrera
Superintendent
Salvador Perez
Carpenter
Will Ratelle
Superintendent
David Bayliss
Business Development & Precon Executive
Ismael Chavez
Laborer
Arturo Martinez Olvera
Carpenter
Anastasio Calderon
Project Executive
Felix Martinez Barba
Laborer
Medina Kadermia
Project Coordinator
Alejandro Ramirez
Laborer
Jorge Robles
Madrone Laborer
Patricia Gonzalez
Laborer
Jser Rios
Laborer
Nicole Leu
Cost Manager
Erwin Reyes Garay
Madrone Laborer
Pat Revetta
Principal
Miguel Gonzalez
Madrone Laborer
Amy Williams
Chief Financial Officer
Jonathan West
Project Manager
Jeffrey Ravenscraft
Project Manager
David Cooper
Superintendent
Jose Valdibia
Warehouse Tech
Jesse Chen
Project Manager
Forest Gobble
Assistant Project Manager
Tammy Burton
HR & Payroll Manager
Juan Ramirez
Laborer
Jose Ojeda
Laborer
Jose Valencia
Assistant Superintendent
Francisco Hernandez
Carpenter Apprentice
Sal Gil
Carpenter
Erik McLaughlin
General Superintendent
Cesar Carrillo
Safety Manager
Jack O'Connell
Project Manager
Gabriel Serrano Ortega
Madrone Laborer
Summer Carey
Submittal Coordinator
Tobyn Celler
Project Manager
Jenny Ha
Project Accountant
Brandon Griggs
Superintendent
Gerald Burton
Laborer
Christine Armstrong
Administrative and Training Manager
John Rodgerson
Project Manager
Jeff Seacrist
Project Executive
Sebastian Lopez-Roldan
Warehouse Technician
Veronica Santos
Laborer
Pedro Ontiveros
Laborer
Victor Leon
Laborer
Allison Solano
Accounts Payable Manager
Duhita Kothe
Estimator
Marlee Coen
Project Manager
Anthony Garcia
Superintendent
Carlos Valadez
Madrone Laborer
Richard Sanchez
Laborer
Dinesh Chhabra
Accounts Payable
Jesus Magdaleno
Madrone Laborer General Foreman
Sal Carabez
Labor Foreman
Jennifer Yarborough
Project Coordinator
Roy Herder
Superintendent
Rosy Chobanian
Controller
Lucy Quion
Project & Insurance Coordinator
Refugio Campos
Laborer
Pete Goldsmith
Founder
Duncan McAndrews
Site Safety Coordinator
Jesse Swafford
Principal
Luis Rodriguez
Madrone Laborer
Justin Baker
Superintendent of Self Performed Work
Rosa Perdomo
Madrone Laborer
Nick Blocker
Project Engineer
Tony Miller
Superintendent
Amy Moerman
Project Manager
Juan Contreras
Carpenter
Juan Pablo Ortega
Madrone Laborer
Andy Salazar
Carpenter
Kim Mapa
Office Manager
Keith Jaymes
Superintendent
Sean Peradotto
Superintendent
Our Leaders
Jon Helman
Chief Executive Officer
Jon oversees the GCI umbrella of companies, focused on creating incredible opportunities for our people and communities. Jon believes in the power of finding potential in unexpected places and is most proud of the teams he's built. Outside the office, you can usually find him on the water kayaking on a river, or crabbing in the Bay.
fearless leader
sincere
analytical
Fernando Iniguez
Vice President
As Vice President, Fernando leads GCI's sales and ensures our team over-delivers on client expectations from project start to finish. He is also the Mountain View Office Head and oversees strategic growth in Silicon Valley. Fernando is passionate about building long-lasting relationships and sharing good stories (ideally over a great glass of scotch).
Relationship-Driven
Natural Mentor
Calm, Cool & Collected
Amy Williams
Chief Financial Officer
As CFO, Amy oversees the financial strategy, planning, and analysis for GCI. Her goal is to create strategic initiatives that support responsible growth while giving our clients the best service possible. Coming from the midwest, Amy loves any activity that gets her outdoors including hiking, camping, and skiing.
Dynamic
Technical Problem-Solver
Trusts Her Gut
Maddie Duignan
Marketing Director
Maddie leads GCI's marketing and branding efforts, overseeing everything from RFP responses to client partnerships. Her goals are to rally the team around GCI's shared values and find fun and innovative ways to engage clients and partners. Raised in Seattle, Maddie loves to explore the Bay Area's blend of city and nature with her trusty sidekick Walter.
Advocate
Motivator
Curious
Tom Southam
President
Tommy enjoys a challenge, which inspires him daily as GCI’s leader. His affinity for problem-solving led him to his role as President, where he drives GCI’s vision and strategy. In true Tommy fashion, he likes to challenge himself with his out-of-office activities as well, which includes competitive sailboat racing.
Trailblazer
Makes the Impossible Possible
Genuine
Pete Goldsmith
Founder
Pete founded GCI in 1992 with the goal of building a company that gives back to its community. In the past 30 years, he's fulfilled his vision by fostering relationships, following through on promises, and taking calculated risks. He attributes our success to long-term partnerships and smart hiring decisions. Pete is a family man, dog dad, and avid bridge player.
Wise
Deliberate
Generous
Hayley Soderlund Macko
Principal
Hayley's role as Principal includes her responsibilities as Project Executive, San Francisco Office Head, and Head of People. Never one to turn down a challenge, she enjoys navigating complex projects and finding creative solutions to tricky problems. Her desire to take the road less traveled leads to some pretty epic backcountry skiing.
Optimistic
Out-of-the-Box Thinker
Natural Leader
Patrick Revetta
Principal
A lifelong learner, Patrick loves solving complex, technical problems. His proudest moments at work involve making a challenging circumstance feel simple and seamless for his clients. When he's not untangling a difficult project, you can find him in his workshop tinkering with clocks, locksmithing, or studying maps.
Humble
Complex Problem Solver
Dedicated
Abraham Diaz
Laborer Foreman
Abraham keeps GCI's growing labor team organized and manages their time and resources. In addition to overseeing labor staffing, he coordinates material delivery. When he's not juggling schedules, he's juggling soccer balls.
Thorough
Practical
Team Player
James Jenkins
Principal
Previously GCI's President, James has been an essential leader since the company was a small group of 7. He is extremely passionate about sustainable building and has spearheaded industry-leading initiatives and milestone projects over his 20+ year tenure. James loves to travel and see the world with his wife and two kids.
Self-Affirmed
Discerning Eye
Introspective
Seth Berling
Director of Preconstruction
Overseeing GCI's Preconstruction department and National work, Seth leverages his estimating skills and out-of-the-box thinking to get projects off the ground. He is passionate about building renovation projects that turn unused structures into innovative, productive spaces. Seth grew up fly-fishing with his dad and feels most at peace on the river.
Deliberate
Calm Under Pressure
Resourceful
Jerry Pfefferkorn
Safety Director
Jerry ensures that GCI's Safety policies are up-to-date and followed in both the field and office. He strives to continually improve safety practices while keeping a close eye on his #1 goal: get everyone home safe to their families. In his free time, Jerry loves to ride his motorcycle up the coast (with proper safety gear, of course).
Logical
Reliant
Problem Solver
Rosy Chobanian
Controller
As Controller, Rosy runs GCI's Accounting and Payroll departments. She conducts monthly closing and financial reporting to support business operations and overall growth. Rosy recently took up tennis and now hits the court whenever she can.
Team Builder
Calm Under Pressure
Genuine
James Buresh
Vice President
In addition to his role as Vice President, James is a Project Executive, Sales leader, and GCI's San Francisco Office Head. His optimism is his superpower, and he loves applying his positive thinking and determination to beat the odds. A golf fanatic and people person, James' perfect day is spent out on the green.
Loves a Friendly Competition
Magnetic
Die-Hard Optimist
Jesse Swafford
Principal
Jesse is GCI's South San Francisco Office Head and oversees some of our largest life science accounts. Extremely detail-oriented, Jesse executes complex projects at a high level and inspires his team to do the same. Outside of the office, he's spending time with his kids or riding dirt bikes with his friends.
Responsive
Detail-Oriented
Dedicated
Erik McLaughlin
General Superintendent
A humble leader, Erik leads GCI's team of best-in-class superintendents and field staff. His goals are to elevate our field presence, build morale, and give clients the best experience and product possible. Erik loves cycling and will ride with you any day.
Loyal
Glass Half-Full
Team Player
Jon Helman
Chief Executive Officer
Fernando Iniguez
Vice President
Amy Williams
Chief Financial Officer
Maddie Duignan
Marketing Director
Tom Southam
President
Pete Goldsmith
Founder
Hayley Soderlund Macko
Principal
Patrick Revetta
Principal
Abraham Diaz
Laborer Foreman
James Jenkins
Principal
Seth Berling
Director of Preconstruction
Jerry Pfefferkorn
Safety Director
Rosy Chobanian
Controller
James Buresh
Vice President
Jesse Swafford
Principal
Erik McLaughlin
General Superintendent
Working
at GCI
When you join the GCI family, you’re joining a team of highly skilled professionals who know the importance of integrity, community, and collaboration. Whether in the office, in the field, or off-the-clock, at GCI, we’re there for each other.
Life at GCI
We’re a friendly and driven group that’s passionate about building possibilities for our clients and for our team. Our goal is to empower our people to plan for their future so they can thrive personally and professionally.
Planning for the future
We want to set you up for success and help you plan for tomorrow so you can focus on today. From smart 401k investments to funded 529 Plans for new GCI babies, we’re here to help you grow.
Community Support
It takes a village. To help support our local communities and causes you care about, we give our team 20 paid hours each year to volunteer. To give new parents a fair shake, parental leave is the same for everyone at the company.
Fun Inside (and Outside) the Office
Doing your best work requires balance. We love welcoming new teammates with breakfast in the office, going all out for our annual costume contest, and sharing in some friendly competition at the GCI Decathlon. We encourage travel, getting outside, or whatever it is that makes you tick.
Join the team
Build
with us
We’re ready to help you take on your most challenging projects—and turn great ideas into reality.