Chris Lewis

Chris Lewis

LEWIS PR, a global communications agency, has acquired Piston, a full-service digital agency based in San Diego.

Piston specializes in digital marketing, including SEO, SEM and display advertising, media planning and buying, analytics and creative design services.

Piston’s clients include AAA, AARP, BareMinerals,, Intuit, Inspirato, Mophie, Shiseido, SkullCandy, Sunglass Hut, TVG and Yakult. LEWIS has global revenues in excess of $72 million, with U.S. revenues of more than $37 million.

Piston gets access to LEWIS’ global network of 28 offices. Piston will operate under LEWIS Pulse, the agency’s digital marketing arm.

Piston was founded by CEO Michael Chaney and President John Hartman in 2008. Hartman will continue to run Piston as a division with Chaney taking a non-executive role. Piston currently has 50 people based in San Diego.

The specific terms of the deal are undisclosed. In 2014, Piston had revenues of $8.4 million.