Olson discipline Olson Denali wins Amtrak loyalty business MINNEAPOLIS — April 18, 2011 — Amtrak has selected Olson’s one-to-one specialty group Olson Denali as its agency of record, after a national search. The agency is handling loyalty strategy, partnership marketing, analytics, creative strategy and execution, technology infrastructure and ongoing operations. The agency has been working with Amtrak since the fourth quarter of 2010. “The Amtrak loyalty program, Amtrak Guest Rewards, recently reached its....