Tom Klein Voice Network Badge Voice Network contributor, an ongoing writer for our guest opinion column. Opinion Contributor@tomkleinTom Klein is CMO at Mailchimp. Tom leads Mailchimp’s marketing team and is responsible for all of Mailchimp’s marketing and strategic partnerships. An authority on digital marketing, ecommerce and brand strategy, he has more than 20 years of experience working with some of the world’s leading brands, including Chanel and Kraft. Voice How Tracking and Evaluating Metrics Will Offer Insight Into Business Investing For finding new consumers and giving your brand a competitive advantage. Voice How Marketing Is Caught Between a Constant Push and Pull But there's a way to streamline processes.