Meet the Team

GoSimpleSolar, Owned and Operated by Semper Fidelis Construction Inc.

Photo- entire team 2


Mark Becker – President

Mark is the General Contractor License holder, and majority business owner with over 30 years of construction experience. Mark possesses a deep understanding of all aspects of the solar industry, from current practices, incentives, products, utility interconnection and rates, and where the future solar market is headed. He is in charge of business development and customer relationships at GoSimpleSolar.
Background: After college Mark served on active duty for 8 years in the United States Marine Corps. Mark’s occupational specialty was as an attack pilot flying AH-1W SuperCobra aircraft. Mark’s overseas duties included various deployments aboard U.S. Navy ships, and a combined ground/air tour in the Far East where he served with the 3rd Marine Division. During his land based deployment to Gulf War he was awarded the Strike/Flight Air Medal for serving as an Attack Helicopter Commander during strike and escort missions.
Mark’s approach to business is guided by the principles he learned as a Marine Corps officer.


Robert Libby – Executive VP / Partner

Robert Libby Jr. is the VP of Operations and is minority business owner of Semper Fidelis Construction Inc. His experience includes education in architectural design, general contracting and project management. Robert also possesses a general contractors license. Robert has been bidding and building in the residential sector for over 23 years. He is an experienced drafter and architect, ensuring aesthetically pleasing solar projects. Robert has designed and built over 170 custom homes in his career.


Vince Jenkins – General Manager

Vince Jenkins is the General Manager overseeing and directing the day-to-day business operations utilizing his 20 years of sales leadership and customer service experience. With nine years of solar business development experience, Vince has helped thousands of families and businesses understand their specific energy needs, to create a PV solutions that will address their financial and environmental energy goals. Vince was born and raised in Redwood City, CA. As an avid outdoorsman, he enjoys spending time cycling, hiking and waterskiing.


Thomas Spirgi – VP Outside Sales

Thomas Spirgi is involved with Outside Sales at Semper Fidelis Construction Inc./GoSimpleSolar. Thomas has previous experience as CEO at an innovation hub, Chief of Staff at a solar manufacturing company, and business development, strategic marketing and product management responsibilities at a software company. Thomas has a Mechanical and Electrical Engineering degree earned in his native country of Switzerland.


Aaron Berry – Operations Manager

Aaron has over 9 years of experience as a NABCEP certified PV professional in management, design and fieldwork. He is able to successfully manage and communicate between various departments and subcontractors to help streamline and simplify the installation process.  Aaron is throughly experienced in analyzing existing electrical components for solar integration and troubleshoot current and potential issues, proactively preventing problems. He handles all permitting, zoning and municipal code requirements. Aaron also manages bidding, estimation, and the integration of solar on the site in conjunction with our licensed electricians and our licensed roofers.


Nicholas Crisosto – Business Administrator

Nick served as a logistician in the United States Marine Corps. His service includes: humanitarian aid in Liberia, a deployment to Iraq, and a deployment to Afghanistan, where he received the Navy and Marine Corps Achievement Medal. He was discharged in 2013 and proudly continues to serve as a Sergeant in the United States Army Reserve. In the community, he looks forward to offering his time to the Town of Danville’s Volunteer Services.
Nick takes care of our customers “behind the scenes.” Nick works across departments, assisting operations in pre-project site related duties, he administrates PG&E, incentives, and permitting processes, etc.


Nicole Becker – Marketing and Events Director

A native midwesterner, Nicole enjoys learning about new places and people, finding inspiration by what communities can create when connected toward a common purpose. Nicole has been an integral part of the growth of GoSimpleSolar over the past 8 years, promoting their clean energy brand, managing various community events and interacting with customers, all the while riding around in good ol’ “Bertha”.


Derek Hobden – Business Development

Derek Hobden is currently a student at Oregon State University studying Energy Systems Engineering. He is a solar-tech guru and analyst, always keeping up to date with the latest and greatest solar industry innovations. Derek actively leads projects aimed at increasing efficiency of internal processes by implementing a solution-based approach to problem solving. When he is not at work or in the classroom, Derek can be found pushing the limits of his favorite adventure sports, skiing & mountain biking.


Frank Munroe – Roofing Contractor

Frank Munroe founded California Roofing in 1984 (CSLB C-39, 465765). He is a 4th generation roofer and customer service is the driving force behind this family run company with a staff of quality employees, several of whom have been with the company for over 15 years. Frank is an on the job boss who oversees each project.


Mike Soberanes – Electrical Contractor

Mike Soberanes is the President and founder of Micor Elecric (CA License # C10 613167). He has been taking pride in this family owned business for 25 years. Mike personally oversees every job and treats each home or place of business as if it were his own. His focus is on 100% customer satisfaction, like the rest of the Team at Semper Fidelis Construction, Inc/GoSimpleSolar.

Dan Madden – Tax Advisor

Dan Madden, Enrolled Agent (EA) and owner of Madden Tax Service, is dedicated to serving the tax needs of his clients whether they are individuals, families, or businesses. Dan received a BS in Aeronautics from San Jose State University and an MBA from John F. Kennedy University. As an Enrolled Agent, Dan is required to complete 30 hours of continuing education every year.