View Post Agencies | Brands | Campaigns | Digital | TV Riester Releases ‘Farm’ for Voskos Greek Yogurt By Erik Oster on Mar. 4, 2014 - 5:02 PM Phoenix-based agency Riester teamed up with Backyard Productions to create “Farm,” a new spot for Voskos Greek Yogurt. In addition to having the word “farm” in the title, Riester’s 30 second spot also ...