Meet the Team
Ray Darby, P.E.
President and Founder
Lives in Nevada City, California
40 years in solar industry.
Bachelor of Science Degree in Environmental Engineering (1979) with concentrations in Solar Energy and AC&R (Air Conditioning & Refrigeration).
Professional Mechanical Engineering license (1983).
Specialized in energy efficiency and solar energy.
Designed his first photovoltaic (PV) system for his off-grid home.
Dave Stokes
Lead Contractor and Part Owner
He began working in the field of photovoltaics and joined the company as a part owner and license holder in 2008.
Bachelor of Science Degree in Electrical Engineering (1972) from California State University Long Beach.
In his early years was employed as an electronics design engineer.
Contractor’s license (1976).
Licensed General (B), Electrical (C10) and Plumbing (C36) contractor in the state of California.
Brian Gardner
Operations Manager
Lives in Grass Valley
11 years of experience in the solar industry.
Entered construction industry at age 20, building custom homes and doing remodels.
Started in solar as a member of SolarCity’s Energy Efficiency Upgrade Install Crew.
Became a BPI Certified Building Analyst and audited a homes doing Combustion Appliance Zone Testing, Blower Door Testing, and Duct Leakage Testing.
Member of SEG since 2013.
Joe Nelson
Electrician
Lives in Nevada City.
Project manager at SEG for 7 years.
Possesses seasoned solar thermal expertise, having worked for over 8 years on solar thermal projects across southern California.
A licensed professional contractor with both C-46 and C-10 classifications.
Penn Martin
Lead Solar Designer and Sales Manager
Lives in Lake Wildwood, California
12 years in the solar industry.
Has designed over 500 solar electric systems.
Attended MIT as a National Merit Scholar (1977).
Applies an engineering-oriented approach to designing custom solar electric systems.
Relies on site specific measurements for designing accurate solar layouts coupled with accurate financial projections.
Caleb Walker
Lead Solar Installer
Lives in Colfax.
Has worked in solar for 3 years.
NABCEP Associate Credential in Photovoltaic Installation from the Solar Living Institute.
OSHA 10 certified and competent in fall protection.
Previously worked for the US Forest Service doing wild fire suppression.
Hobbies: guiding river rafting trips.
Sustainability: part of the American White Water Association, volunteers for river clean ups and has solar on his home as well as an electric vehicle.
John Lane
Lead Solar Installer
Lives in Grass Valley.
3 years in working in solar; 2 at SEG.
Certificate in Advanced Photovoltaics from Sierra College.
Entry level NABCEP certificate.
Hobbies: hiking, backpacking, fishing, snowboarding, rock climbing and playing music.
Sustainability: rides bike to work and recycles.
Dave Sansone
Solar Installer
Lives in Nevada City.
Has worked in solar for over 3 years.
Solar Installation Certification from Red Rocks Community College in Lakewood, Colorado.
Began working in construction at the age of 19.
Hobbies: snowboarding, photography and being a rad dad.
Sustainability: recycles and makes an effort to use energy efficiently in his home.
Jason Herm
Solar Installer
Has lived in Nevada City for over 40 years.
Worked in solar for 2 years.
OSHA Tin Certified.
Professional disk golfer.
Hobbies: hiking, backpacking, camping, traveling and experiencing different atmospheres.
Keith Scott
Licensed Electrician
Lives in Grass Valley.
22 years of experience in electric; specialized in high voltage.
Over 12 years at SEG.
Harry O’Rourke
Sustainable Business Development & IT
Lives in Nevada City, California
Sustainable Development for over 15 years
Solar for 5 years
Kris Phillips
Logistics Coordinator
Lives in Grass Valley, California
Diane Wallace
Bookkeeper
Lives in Nevada City, California
Ruby Beauchamp
Communication Specialist and Community Outreach Coordinator
Born and raised in Auburn, CA.
Student at the University of Portland, graduating in 2020.
Bachelor of Science in Organizational Communication and Bachelor of Art in Spanish with a Business Minor in Sustainability.
Studied abroad in Quito, Ecuador (summer 2017) and Granda, Spain (Spring 2018).
Hobbies: sewing, aerial silks, camping, hiking, backpacking, gardening.
Meet Our Team