Lyn Sheffield is a Senior Product Development Manager at AT&T, where they have been since 2014. Previously, Lyn held positions as a Principal Technical Architect at Aio Wireless and as a Testing Manager at Cricket Wireless in 2014. Lyn also served as an IT Manager at Cingular from 1991 to 2006 and worked as a Service Architect at AT&T Mobility from 2006 to 2012.
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