Brett Zeller holds a degree in Chemical Engineering from the University of Iowa and began his career applying technical and analytical expertise to industrial water treatment systems. His early work focused on optimizing cooling and boiler water programs, using a strong foundation in chemistry and process engineering to improve system performance, reliability, and water safety across complex facilities.
Over time, Brett transitioned into a business development role focused on the rapidly expanding data center industry. In his work with Garratt-Callahan Company, he partners with operators, mechanical contractors, and engineering design firms to develop and execute water treatment strategies that protect mission-critical infrastructure. This includes collaborating on project specifications and overseeing the cleaning and passivation of new hydronic and cooling systems to ensure proper commissioning, long-term efficiency, and reliable operation.
Snapshot of Success Industry: Data CenterChallenge: Elevated iron levels prevented closed-loop water from meeting equipment manufacturer specificationsSolution: Full system repassivation + component chemistry retreatment + upgraded monitoring panelsResults: Iron reduced from ~0.82 ppm to 0.15 ppm and maintained for 10+ monthsWhy This Success Matters: Data center systems with strict control requirements need the right passivation…