About Us

Mark Hunter, Production Manager
Born and raised in New Zealand, Mark graduated from Manukau Institute in 1980, where he received his degree in business. Formerly an owner of a residential remodeling company for over 30 years, he specialized in kitchen, bathroom and room additions. Mark joined GR8WORK Builders in September of 2015. With his decades of construction business ownership experience, Mark is a valuable addition to our team. Mark coordinates and produces all on-site construction work, from the initial jobsite walkthrough to the final completion of the project.

Shari Toron, Accounting
Shari brings to our team a strong set of accounting, business and organizational skills. With a B.S. in Accounting from Fairleigh Dickenson University and her 35 years of business accounting and bookkeeping experience, Shari has an extensive skill set. Along with her proficiency in Excel, Outlook, and proprietary accounting software, Shari's ability to organize and coordinate the behind the scenes tasks helps keep our projects running smoothly.

Jennifer Roby, Office Manager/Designer
Born and raised in the Bay Area, Jennifer studied Interior Design at West Valley College. She worked for a general concrete construction company for years, but most recently worked as a corporate merchandiser for a home furnishings company, she works personally with clients on our interior design projects. Jennifer brings a wide variety of experience and a creative side to GR8WORK Builders.

Rigo Martinez, Project Manager
Rigo has worked in the construction trades for most of his life. Born in Guatemala, he moved to the United States in 1990. Rigo has been our “Go To” guy, working on and managing projects for GR8WORK Builders since he joined the team more than 13 years ago. His sincerity, solid work ethic, and adaptability have made Rigo an indispensable component of the business. Rigo's overall knowledge of a wide variety of remodeling skills and his personable nature has prompted many repeat clients to request him for their upcoming projects.

Felix Medina, Project Manager
Felix was born in Mexico and came to the United States in the early 90’s. Felix joined our team here at GR8WORK Builders at the beginning of 2016. He has worked in the residential remodeling trade for over a decade as a project manager and has a vast variety of skills and experience. These qualities make him a positive addition to our team at GR8WORK Builders.

Barbara Black, Production Assistant
Barbara moved to the Bay area from Pennsylvania. She studied Business Management at College of San Mateo and S.F. State University. Barbara started working in the construction field, at a local lumber yard. Forwarding her career she moved into property management and construction. Her organizational skills keep projects moving towards completion at GR8WORK Builders, Inc.

Thomas Turner, Apprentice Carpenter
Thomas was born and raised in the Bay Area. His background in the construction field will make him a great addition to GR8WORK Builders ,Inc.

Jason Jahns, Framing Carpenter
Jason was born and raised in the Bay Area. Jason joined GR8WORK in 2017. He has extensive work in the construction field and is a genuine addition to GR8WORK Builders.

John Calvin, Senior Estimator
John has over 28 years of experience in the construction industry with extensive expertise managing high-end residential projects. A former owner of his own construction company for 25 years, John has upheld the importance of job site safety, high quality craftsmanship, and strong client relationships. John is a recent addition to the GR8WORK Builders team. As Senior Estimator. John is responsible for planning and coordinating day to day business operations. He is also responsible for developing project estimates and assisting clients with the planning and pre-construction phases of their project.

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