Jeff Kindle VP/General Manager – Client Services, Epsilon Jeff Kindle, Vice President & General Manager of Loyalty Marketing & Strategic Database Services at Epsilon, has over 20 years of marketing / client services management experience with emphasis in CRM and Loyalty. Prior to Epsilon, Jeff was a Global Director with Siebel Systems, a leader in CRM technology and strategies. He managed Siebel's End User Operations group with ongoing client service responsibilities for 80 to 85 concurrent Fortune 500 customers in North and South America.