Dan Herzog is a seasoned database administrator with extensive experience in managing and optimizing database systems. Currently serving as a Senior Database Administrator at Knock since October 2021, Dan previously held the position of Lead Database Administrator at Marchex from March 2011 to October 2021, overseeing mission-critical Oracle and SQL Server databases. Dan's career includes roles at Holland America Line, Design Clinicals, and The Cobalt Group, where responsibilities ranged from directing IT teams and implementing process improvements to enhancing application performance through SQL tuning. Dan holds a degree from Pacific Lutheran University, obtained between 1991 and 1995.