One Union Recording adds senior engineer Joel Hopper
March 17, 2021

One Union Recording adds senior engineer Joel Hopper

SAN FRANCISCO — One Union Recording Studios ( has hired senior engineer Joel Hopper, who brings 18 years of experience in the advertising and recording industries to his new role. He most recently served as re-recording mixer, sound designer and picture editor at Barrell House, the in-house production unit at Bay Area ad agency Pereira O'Dell.

One Union president John McGleenan says the studio is adding experienced talent to meet a surge in advertising, digital and entertainment production as the pandemic wanes. 

“We expect production to ramp up quickly over the next three to six months,” he says. “We’re upping our our game, adding horsepower, mix capabilities and talent.”

One Union has five senior engineers on staff, including Eduardo Mendoza, who came on board in January. Hopper, the latest addition, spent four years at Pereira O’Dell and helped build out the agency’s Barrel House production unit. He also edited and mixed spots for Adobe, Cheesecake Factory, Clorox, Fifth Third Bank, Stella and Mini. Previously, he spent three years in a similar role with the San Francisco office of agency DDB.

“One Union is the top sound facility in the Bay Area,” says Hopper. “John has built a superb facility. The studio has a great reputation and attracts the best work. It’s a wonderful opportunity for me.”