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Our Team
Office Personnel
Philip Mastagni
President / CEO
Nella Mastagni
Secretary / Treasurer
Michael Mastagni
VP / Project Manager
Greg Mastagni
VP / Project Manager
San Luis Obispo, Morro Bay Projects
Ron Kettelman
VP / Chief Estimator
Amber Armstrong
Payroll / Accounting / Accounts Payable
Sonja Berry
Accounts Payable
(Subcontractors)
Joanne Garcia
Certified Payroll /
Compliance / Safety
Erik Johnson
Project Manager
Keoni Larot
Project Manager
Dan Soto
Project Engineer
San Luis Obispo HS Projects
Lisa Sprague
Project Coordinator
San Luis Obispo HS Projects
Melissa Hernandez
Project Coordinator
Claudia Gil
Project Coordinator
Bessie Jarzombek
Project Coordinator
Eduardo Solorio
Project Engineer
John Haskell
Facilities Manager
Field Personnel
Rod Hampton - Superintendent
Kim Hansen - Superintendent
Joe Sousa - Superintendent
Andy Meier - Superintendent
Shane Peltier - Superintendent
Dan Fugler - Superintendent
Jeff Hart - Superintendent
Mark Constable - Superintendent
Mark Thomsson - Superintendent
John Hogan - Superintendent - San Luis Obispo HS
Reid McMillan - Superintendent - Morro Bay HS
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