Title Name Phone E-mail
Aquatics Director John Herdson 410.381.1096 john.herdson@columbiaassociation.com
Assistant Aquatics Director Keith Gilbreath 410.381.1170 keith.gilbreath@columbiaassociation.com
Aquatics Supervisor Marty Oltmanns 410.730.7000 marty.oltmanns@columbiaassociation.com
Manager- Swim Center   410.730.7000  
Asst. Manager- Swim Center Corey Woo 410.730.7000 corey.woo@columbiaassociation.com
Supervisor - Athletic Club Pool   410.730.6744  
Supervisor - Columbia Gym Pool Adam Scott 410.531.0800 adam.scott@columbiaassociation.com
Supervisor - Supreme S. Pool   410.381.5355  
Office Manager Rose Vaughn 410.312.6332 rose.vaughn@columbiaassociation.com
East Side Pool Supervisor Ken Zachmann 410.312.6332 KENNETH_ZACHMANN@hcpss.org
West Side Pool Supervisor Kelly Baugh 410.312.6332 kelly.baugh@columbiaassociation.com
In-Service Supervisor Erin Cohen 410.312.6332 inservice2007@yahoo.com
Aquatics Office   410.312.6332 aquatics@columbiaassociation.com