Heyl, Royster, Voelker & Allen
David Sinn is a Shareholder at Heyl, Royster, Voelker & Allen since 2014. Prior to practicing law, David worked as a Vice President at Sinn Oil Company and as an EMT at McDonough District Hospital. David holds a Bachelor of Science degree from Western Illinois University in Pre-Medicine with graduate hours from University of Illinois and University of Tennessee.
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