Graniterock names president, CEO

By |  December 23, 2022
Peter Lemon


Graniterock, a family-owned construction materials and contracting company in California, named Peter Lemon president and CEO.

The promotion is effective Jan. 1.

Lemon succeeds Tom Squeri, who served Graniterock as CEO beginning in 2012. Squeri remains on Graniterock’s board of directors.

“Not only does Peter bring an incredible mix of engineering and business expertise to the CEO role, his passion for Graniterock and our people is unsurpassed,” says Marianne Woolpert, a board member and owner at Graniterock. “The board is fully confident in Peter and his ability to continue building on Graniterock’s legacy in the construction industry and in the communities where we live and work.”

About Lemon

According to Graniterock, Lemon began his Graniterock career in 1998 as a summer intern while studying civil engineering at UC Davis. After three summer internships at Graniterock, he was hired in the company’s construction division.

In 2012, Lemon was asked to run the A.R. Wilson Quarry, a hard rock quarry with more than 100 employees. He managed the site in Aromas, California, for 10 years.

Most recently, Lemon served Graniterock as vice president of logistics.

“I am honored to serve our team, customers and community as president and CEO to continue to build on our achievements of the past 123 years,” Lemon says. “I am committed to leading this organization to deliver value to our customers and our community through our combined purpose of high-quality products and construction services.”

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About the Author:

Kevin Yanik is editor-in-chief of Pit & Quarry. He can be reached at 216-706-3724 or

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