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
Juan Aguirre
Madrone Laborer
Lizette Alvarado Lamig
Assistant Project Accountant
Hugo Ramirez
Madrone Laborer
Todd Riddle
General Superintendent - South Bay
David Bayliss
Business Development & Precon Executive
Andy Salazar
Carpenter
Forest Gobble
Project Manager
Collin Kinkead
Assistant Superintendent
Salvador Barragan
Madrone Project Manager
Casey Walters
Madrone Project Engineer Intern
Chris Sazo
Madrone Project Engineer
Eva Truong
Assistant Controller
Adam Dobrowolski
Madrone Project Manager
Sebastian Lopez-Roldan
Warehouse Technician
Eric Pena
Carpenter
Maria Naranjo
Madrone Laborer
Gerardo Gonzales
Carpenter
Dennis Campbell
Superintendent
Roberto Valenzuela
Madrone Laborer
Miguel Gonzalez
Madrone Laborer
Nixon Quilao
Project Coordinator
Refugio Campos
Laborer
Tony Moranda
Superintendent
John Rodgerson
Project Manager
Salvador Perez
Carpenter
Kim Mapa
Office Manager
Hayley Soderlund Macko
Principal
Natalie Shearing
Project Engineer
Nate Farey
Assistant Project Manager
Luke Watson
Project Manager
Robert Moore
Project Manager
Jaime Gutierrez
Warehouse Tech / Driver
Lee Seacrist
Superintendent
Marcus McDaniel
Project Engineer
Madeline Duignan
Marketing Director
Mei Tesdall
Project Accountant
Anastasio Calderon
Project Executive
Sara Cameron
Marketing Manager
Amy Moerman
Project Manager
Bailey Peters
Project Engineer Intern
Carlos Valadez
Madrone Laborer
Benito Mendez
Carpenter
Christine Armstrong
Administrative and Training Manager
Oscar Gutierrez
Laborer
Efrain Ontiveros
Equipment Manager
Annie Ngo
Accounts Payable Clerk
Brian Lundberg
Superintendent
Dave Somera
Superintendent
Tom Southam
President
Medina Kadermia
Project Coordinator
Salvador Moreno
Superintendent
Abraham Diaz
Labor Superintendent
Mark Quam
Superintendent
Norberto Magdaleno
Madrone Laborer
Jose Manzo
Laborer
Adrian Hernandez
Madrone Laborer
Luis Garcia
Laborer
Isaac Tapia
Superintendent
Mario Cordero Jr.
Madrone Carpenter General Foreman
William Guifarro
Laborer
Jeffrey Ravenscraft
Project Manager
Pedro Solares
Laborer
Jeremy Edwards
Project Manager
Pedro Andrade
Madrone Labor Foreman
Hector Pelayo
Laborer
John Austin
Project Accountant
Tom Frank
Superintendent
Jose Valencia
Superintendent
Jorge Robles
Madrone Laborer
Jesus Perez
Carpenter
Jose Chavez
Superintendent
James Collins
Project Executive
Brent Halley
Superintendent
Juan Contreras
Carpenter
Juan Cabrera
Superintendent
Jack Sieverding
Project Manager
Salvatore Villalobos
Laborer
Brian Wright
Superintendent
Bill Burnette
Superintendent
Juan Pablo Ortega
Madrone Laborer
Jose Ojeda
Laborer
Ariel Magdelano
Madrone Laborer
Dillon Sanchez
Carpenter
Tim Scalmanini
Superintendent
Rick Trueb
Superintedent
Cesar Carrillo
Safety Manager
Emmanuel Norberto-Miranda
Laborer
Javier Cardenas
Laborer
Patricia Gonzalez
Laborer
Duncan McAndrews
Site Safety Coordinator
Nick Blocker
Assistant Project Manager
Adam Dieck
Preconstruction Coordinator
Jesus Jimenez
Madrone Laborer
Miguel Ramirez
Madrone Laborer
Luis Iniguez
Madrone Laborer
Billy Fette
Superintendent
Arturo Martinez Olvera
Carpenter
Shirley Stephens
Superintendent
Jon Helman
CEO
Jorge Campos
Madrone Laborer
Jesse Chen
Project Manager
Evaristo A Escobar
Laborer
Erik Johnson
Preconstruction Manager
Roberto N Velasquez Araujo
Madrone Laborer
Marc Le Roux
Project Manager
Tammy Burton
HR & Payroll Manager
Angel Galvan
Madrone Laborer
Harrison Langenfeld
Project Engineer
Alex Villalobos
Laborer
Serina Abbott
Project Engineer
Luis Ramirez
Laborer
Tiffany Do
Project Accountant
Chris Figone
Superintendent
Carlos Polanco
Carpenter Foreman
Sarah Nelson
Project Engineer
Keeky Lam
Project Accountant
Jesus Magdaleno
Madrone Laborer General Foreman
Steve Sanchez
Project Manager
Rebecca Dethero
Project Accountant
Tejaswini Chalasani
Project Manager
Litzi Sanchez Lopez
Laborer
Keith Luna
Project Manager
Nate Lohman
Project Manager
Elan Preis
Project Engineer
Rosy Chobanian
Controller
Nicole Leu
Cost Manager
Eduardo Acosta
Carpenter
Milton Flores
Laborer
Sarah Suppes
Project Coordinator
Jesse Swafford
Principal
Ray Soriano
Project Coordinator
Jonathan West
Project Manager
Ali Oswalt
Client Relations Manager
Jorge Cornejo
Madrone Labor Foreman
Jenny Ha
Project Accountant
Veronica Santos
Laborer
Jennifer Yarborough
Project Coordinator
Antonio Arriaga
Laborer
John Abraham
Project Executive
Shalon Ani
Executive Assistant
Jose Alfredo Perez
Laborer
James Buresh
Vice President
Fernando Iniguez
Vice President
Pat Revetta
Principal
Jeobani Lopez
Madrone Labor Foreman
Victor Barba
Laborer
Jose Garcia Diaz
Laborer
Sergio Perdomo
Madrone Laborer
Veronica Zavala
Madrone Assistant Project Accountant
Jser Rios
Laborer
James Jenkins
Principal
Jose Valdibia
Warehouse Tech
Junior Mendez
Laborer
Carlos Parra
Carpenter
Ismael Chavez
Laborer
Sam Peters
Project Engineer
Sergio Perez
Madrone Laborer
Victor Ventura
Laborer
David Cooper
Superintendent
Pete Goldsmith
Founder
Margarito Chamu
Madrone Laborer
Francisco Hernandez
Carpenter Apprentice
Refugio Ramirez
Laborer
Christopher Kiteas
Assistant Superintendent
Jerry Pfefferkorn
Safety Director
Zach Feece
Assistant Project Manager
Ariel Maya
Madrone Carpenter
Bryan Alcantar
Madrone Laborer
Arturo Ortega
Madrone Laborer
Virginia Lujan
Project Coordinator
Tommy Ashworth
Project Engineer
Alejandra Arce
Sustainability Manager
Amy Williams
Chief Financial Officer
Carlyn Strang
Assistant Marketing Manager
Armando Chavez
Madrone Laborer
Will Ratelle
Superintendent
Cris Rosete
Receptionist
Brandon Griggs
Superintendent
Gerald Burton
Laborer
Sal Gil
Carpenter
Robert Richmond
Project Manager
Joe Hinojosa
Laborer
Edilberto Orozco
Laborer
Seth Berling
Director of Preconstruction
Carlos Polanco Jr.
Carpenter
Gavin Windell
Project Manager
Ashley Zlotkowski
Project Manager SF
Randall Horn
Project Manager
Darren Leary
Director of Self Preformed Work
Jeff Seacrist
Principal
Ryan Dedrick
Project Manager
Luis Rodriguez
Madrone Laborer
Josvani Pelaez
Laborer
Delia Felix
Madrone Laborer
Sam Fraser
Project Engineer
Lucy Quion
Project & Insurance Coordinator
Richard Sanchez
Laborer
Valerio Cervantes
Superintendent
Eric Maser
Project Engineer
Jose Ramos
Superintendent
Roy Herder
Superintendent
Fermin Renteria
Madrone Laborer
Justin Baker
Superintendent of Self Performed Work
Sean Peradotto
Superintendent
Ronnie Kaye III
Project Engineer
Felix Martinez Barba
Laborer
Samuel Serrato
Madrone Laborer
Pedro Ontiveros
Laborer
Sal Carabez
Labor Foreman
Gabriel Serrano Ortega
Madrone Laborer
Allison Solano
Accounts Payable Manager
Hugo Zermeno
Labor Foreman
Caius Grace
Project Engineer
Carlos Munoz
Laborer
Erik McLaughlin
General Superintendent
Erwin Reyes Garay
Madrone Laborer
Jose Reyes
Madrone Labor Foreman
Jesus Aguirre
Madrone Labor Foreman
Juan Munoz
Laborer
Dinesh Chhabra
Senior Accounts Payable
Branon Conzet
Superintendent
Victor Leon
Laborer
Maurkece Johns
Madrone Laborer
Margarito Chamu Vivas
Madrone Carpenter
Hector Tellez
Laborer
Jon Gregg
Director of Safety and Health
Paul Kern
Superintendent
Tony Miller
Superintendent
Alexander Becerra
Madrone Laborer
Juan Mendez
Laborer
Alejandro Ramirez
Assistant Superintendent
Summer Carey
Submittal Coordinator
Anthony Garcia
Superintendent
Tucker Lico
Assistant Project Manager
Sherif Eldash
Preconstruction Manager
Jamie Guevara
Project Manager
Ellie Alling
HR & Payroll Coordinator
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 is a dog lover and self-proclaimed word nerd.
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
Jeff Seacrist
Principal
As head of our Mountain View office and Operations lead, Jeff applies a healthy blend of work ethic and humor to keep our teams motivated and engaged. Specializing in complex projects, Jeff can focus on the details while maintaining an eye on the bigger picture. This ability to see the forest through the trees makes him an excellent hunter and outdoorsman.
Analytical Thinker
Consistent
Morale Booster
Darren Leary
Director of Self-Performed Work
Darren leads our Self-Performed Work team and oversees our sustainable demolition company, Madrone. With a long history in the field and a deep appreciation for the people behind the work, Darren is a true advocate for our craft. He recharges in nature and enjoys taking his family on unforgettable outdoor trips.
Logical
Patient
Direct
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
Jeff Seacrist
Principal
Darren Leary
Director of Self-Performed Work
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.