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Brian Greenwald

Senior Chemical Engineer

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Brian Greenwald has three decades of experience providing project management, permitting assistance, and engineering services for clients in the mining, power, and manufacturing industries. Before joining Barr, he worked as a senior project engineer for Horizon Environmental Corporation in Grand Rapids, Michigan, and two other firms, for more than 25 years.

Brian's experience with air quality permitting and compliance encompasses design, pilot-scale testing, construction, and activation of emission-control systems for industrial facilities. He also reviews permitting requirements; designs control systems and conducts engineering and economic evaluations to determine economical alternatives for mitigation of discharges to the environment; and provides technical consultation regarding startup and operation and maintenance of engineered systems. In addition, he performs regulatory compliance evaluations and prepares permit applications and compliance plans for state and federal programs governing stormwater, oil, and polluting materials.


(616) 512-7012


Professional Engineer (MI)


BS, Chemical Engineering, Michigan State University


Barr Engineering Co.
4771 50th Street SE
Grand Rapids, MI 49512

Phone: 616-512-7000
Fax: 616-554-3211
Toll free: 800-632-2277