Leadership Team

Our leadership team is available and ready to help address your questions and concerns.  They can be reached by calling the main office at 636.940.5445 or through their individual numbers listed below.


Jerry Koch

Mobile: 314.308.7788


Jamie Koch

Mobile: 314.406-5459


Randy Azzarello

Managing Partner
Phone: 636.940.5445


Dan O'Brien

Vice President, Sales
Phone: 636.940.5445


Amy Pollock

Director of Sales
Mobile:  314.809.6638


Tom Thompson

Technical Director
Mobile:  636.288.1939


Jeff Balleau

St. Louis Sales
Mobile: 314.960.0548


Dan Michalak

Southern California Region
Mobile: 714.625.2864


Alan Saighman

Kansas City Sales
Phone:  816.797.6400


Phillip Sledge

Southern MO/Arkansas Sales
Mobile: 417.230.9233

Shelly Ellis

EH&S Manager
Phone: 636.940.5445

Customer Service

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Phone: 800.345.4399




Chemtron is a full-service, water-treatment provider, offering companies customized solutions unique to their systems.