Our Team

Having been an Electrician most of his adult life, he has always loved this line of work. Alan went through a 4 year apprenticeship program, working for various electrical contractors and on a variety of projects. Wherever he worked he was always promoted due to his eagerness to expand his knowledge and his love of this work. In 2005, Alan took everything he owned and with a small Astro van started Cornerstone Electrical Contractors. His reputation for quality, knowledgeable work soon spread, and he quickly found the business growing. Cornerstone Electric has maintained that growth and positive customer relationship throughout the years. Alan’s ability to instill his values of the business into the employees is what helps this company continue to grow. Alan is married to his very patient and lovely wife, Margaret. He has three daughters, three sons and multiple grandchildren that help keep him active.

“I love finding solutions to problems, whether they are more innovative methods or empowering the workforce, it keeps me motivated every day.”

Having been an Electrician most of his adult life, he has always loved this line of work. Alan went through a 4 year apprenticeship program, working for various electrical contractors and on a variety of projects. Wherever he worked he was always promoted due to his eagerness to expand his knowledge and his love of this work.
In 2005, Alan took everything he owned and with a small Astro van started Cornerstone Electrical Contractors. His reputation for quality, knowledgeable work soon spread, and he quickly found the business growing. Cornerstone Electric has maintained that growth and positive customer relationship throughout the years. Alan’s ability to instill his values of the business into the employees is what helps this company continue to grow.
Alan is married to his very patient and lovely wife, Margaret. He has three daughters, three sons and multiple grandchildren that help keep him active.

“I love finding solutions to problems, whether they are more innovative methods or empowering the workforce, it keeps me motivated every day.”

Her responsibilities include bookkeeping, office management and human resources. She loves organization, giving attention to detail, promoting a positive atmosphere and being a part of the Cornerstone team.

Before devoting herself to Cornerstone, Joan used her experience as a professional ballet dancer to teach dance to K-5th graders, providing much needed arts education for Tucson public school students. Joan is a wife, mother of four daughters and one son-in-law, and a proud grandmother.

“Whatever you do, work at it with all your heart, as working for the Lord.” - Colossians 3:23

Her responsibilities include bookkeeping, office management and human resources. She loves organization, giving attention to detail, promoting a positive atmosphere and being a part of the Cornerstone team.
Before devoting herself to Cornerstone, Joan used her experience as a professional ballet dancer to teach dance to K-5th graders, providing much needed arts education for Tucson public school students. Joan is a wife, mother of four daughters and one son-in-law, and a proud grandmother.

“Whatever you do, work at it with all your heart, as working for the Lord.”  - Colossians 3:23

Vince Lopez began his career with Cornerstone Electric in 2017 as an apprentice and graduated from the IEC Apprenticeship Program in 2021. Coming from a strong managerial background, Vince brought valuable skills in team leadership, training, attention to detail, problem-solving, and time management. These strengths helped him advance quickly within the company, earning success as a foreman and ultimately leading to his promotion to estimator.

As an estimator, Vince is responsible for bidding Cornerstone Electric’s incoming projects. In his role as a project manager, he oversees awarded projects to ensure they are executed successfully from start to finish. Vince works closely with field leadership, supporting foremen with the resources and guidance they need to keep projects on schedule and running smoothly. His focus is not only on meeting client expectations, but consistently exceeding them.

“If you’re not first, you’re last.” – Ricky Bobby

Vince Lopez began his career with Cornerstone Electric in 2017 as an apprentice and graduated from the IEC Apprenticeship Program in 2021. Coming from a strong managerial background, Vince brought valuable skills in team leadership, training, attention to detail, problem-solving, and time management. These strengths helped him advance quickly within the company, earning success as a foreman and ultimately leading to his promotion to estimator.

As an estimator, Vince is responsible for bidding Cornerstone Electric’s incoming projects. In his role as a project manager, he oversees awarded projects to ensure they are executed successfully from start to finish. Vince works closely with field leadership, supporting foremen with the resources and guidance they need to keep projects on schedule and running smoothly. His focus is not only on meeting client expectations, but consistently exceeding them.

“If you’re not first, you’re last.” – Ricky Bobby

Jeff supervises daily warehouse activities, including quality assurance, inventory control, space management, logistics, floor productivity, shipping, and customer service.

Coming from a production background, Jeff uses those skills in Cornerstone’s pre-fabrication, delivery, and warehouse maintenance.
Locating the proper material, on-time and cost effectively, is Jeff’s greatest asset. He is always searching for the most innovative products that can assist Cornerstone employees in production and safety.

In his spare time Jeff enjoys planning programs for children at his church, especially ones that involve prop construction or planning crafts and games.

Sometimes you have to “Just Do”

Jeff supervises daily warehouse activities, including quality assurance, inventory control, space management, logistics, floor productivity, shipping, and customer service.

Coming from a production background, Jeff uses those skills in Cornerstone’s pre-fabrication, delivery, and warehouse maintenance.
Locating the proper material, on-time and cost effectively, is Jeff’s greatest asset. He is always searching for the most innovative products that can assist Cornerstone employees in production and safety.

In his spare time Jeff enjoys planning programs for children at his church, especially ones that involve prop construction or planning crafts and games.

Sometimes you have to “Just Do”

Leslie Valdez serves as the Accounting Assistant at Cornerstone, where she uses her accounting skills to support the company’s mission and daily operations. She holds a Certificate in Bookkeeping from Pima Community College and enjoys contributing her expertise to help Cornerstone thrive.

Before joining Cornerstone, Leslie gained valuable experience in social work and as an administrative professional at a local private school, bringing a well-rounded perspective to her role. Outside of work, she is a devoted wife and the proud mother of four wonderful children.

“Do nothing out of selfish ambition or conceit, but in humility consider others as more important than yourselves.” - Philippians 2:3

Leslie Valdez serves as the Accounting Assistant at Cornerstone, where she uses her accounting skills to support the company’s mission and daily operations. She holds a Certificate in Bookkeeping from Pima Community College and enjoys contributing her expertise to help Cornerstone thrive.

Before joining Cornerstone, Leslie gained valuable experience in social work and as an administrative professional at a local private school, bringing a well-rounded perspective to her role. Outside of work, she is a devoted wife and the proud mother of four wonderful children.

“Do nothing out of selfish ambition or conceit, but in humility consider others as more important than yourselves.” - Philippians 2:3

Jeremy Walstrom serves as the Field Supervisor for Cornerstone Electrical Contractors. In this role, he is responsible for keeping projects organized, carefully planned, and completed accurately and on schedule. He also oversees field personnel and leads weekly safety meetings to ensure a safe and productive work environment.

Jeremy began his career with Cornerstone in 2009 as a second-year apprentice. After graduating from the IEC Apprenticeship Program, he was quickly promoted to foreman in recognition of his strong work ethic and leadership abilities. Over the years, his experience, dedication, and passion for the electrical trade have shaped him into both a respected team leader and a dependable team player. Jeremy is known for his ability to troubleshoot challenges and find effective, practical solutions.

“Stay positive. Work hard. Make it happen.”

Jeremy Walstrom serves as the Field Supervisor for Cornerstone Electrical Contractors. In this role, he is responsible for keeping projects organized, carefully planned, and completed accurately and on schedule. He also oversees field personnel and leads weekly safety meetings to ensure a safe and productive work environment.

Jeremy began his career with Cornerstone in 2009 as a second-year apprentice. After graduating from the IEC Apprenticeship Program, he was quickly promoted to foreman in recognition of his strong work ethic and leadership abilities. Over the years, his experience, dedication, and passion for the electrical trade have shaped him into both a respected team leader and a dependable team player. Jeremy is known for his ability to troubleshoot challenges and find effective, practical solutions.

“Stay positive. Work hard. Make it happen.”

Amy is a Project Assistant with Cornerstone Electric and provides vital support to all projects, ensuring day-to-day operations run smoothly and efficiently. She coordinates closely with team members to manage specialty products, equipment deliveries, purchase orders, and safety requirements—keeping schedules aligned and projects on track. With a strong background in project coordination and employee management, Amy excels at building and maintaining positive relationships with suppliers, contractors, and clients, helping drive successful project outcomes.

Amy is a wife to her high school sweetheart and a mother of 4 children who devotes her free time to being her husband’s and children’s biggest supporter in everything they do. She enjoys traveling—whether to the beach or the White Mountains—and finds joy in peaceful sunsets at home while her chickens roam the yard. An Arizona native, Amy is unique in that she truly loves Arizona summers.

“Keep in mind, there is a clock ticking that you cannot see, so love whoever loves you and enjoy your life.” - Mitch Albom

Amy is a Project Assistant with Cornerstone Electric and provides vital support to all projects, ensuring day-to-day operations run smoothly and efficiently. She coordinates closely with team members to manage specialty products, equipment deliveries, purchase orders, and safety requirements—keeping schedules aligned and projects on track. With a strong background in project coordination and employee management, Amy excels at building and maintaining positive relationships with suppliers, contractors, and clients, helping drive successful project outcomes.

Amy is a wife to her high school sweetheart and a mother of 4 children who devotes her free time to being her husband’s and children’s biggest supporter in everything they do. She enjoys traveling—whether to the beach or the White Mountains—and finds joy in peaceful sunsets at home while her chickens roam the yard. An Arizona native, Amy is unique in that she truly loves Arizona summers.

“Keep in mind, there is a clock ticking that you cannot see, so love whoever loves you and enjoy your life.” - Mitch Albom