George Schlossnagle smallerGeorge Schlossnagle is a Co-Founder, Chief Evangelist and a Member of the Board at SparkPost. George has been working in email since 1999, when he and his brother began developing what would become the Momentum mail transfer-agent at OmniTI. Following the spin-out of SparkPost from OmniTI in 2008, George held the roles of CEO and CTO before moving into his current role in 2020. Through the expansive Momentum on-premises footprint and his role moving SparkPost into the cloud, George has overseen the evolution of enterprise-grade email sending and analytics over the past two decades.

George is an active participant in the global email community as well as a supporter of the Baltimore-area businesses, currently serving on the board of Circonus. George holds a patent for a method and system for adaptive delivery of digital messages. He received a BA and MA in Mathematics from Johns Hopkins University and his MS from Brown University. 

In his personal time, George enjoys cooking, backpacking and spending time on his Maryland farm with his wife Pei, their two children and their many beloved animals. 

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Where It's At on Opens by Mailbox Provider

The only right answer to ‘what is a good open rate?’ or ‘what should my open rates be?’ is: ‘it depends’. It’s also a lazy and useless answer when left at that because it ignores all the important contextual factors and provides no information. The truth is that if you are...
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With Microsoft rolling out more tabs in Outlook and Hotmail to help users organize their inbox by segmenting messages into Promotions, Social, Newsletters, people are naturally wondering what this will mean for marketers and how this will change your ability to reach your users at Microsoft domains. While no one can...
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