President, JenTech Inc.

Blower equipment room.


Forty years of experience covering all phases of product and control system design in a variety of industries.


B.S.M.E. Marquette University, Registered Professional Engineer, Wisconsin


Founder, JenTech Inc. Designer, consultant and equipment manufacturer, specializing in wastewater treatment.

Instructor, University of Wisconsin, Madison, Department of Engineering Professional Development.

Over forty years’ experience in wastewater treatment, including process evaluation, control systems, aeration systems, energy conservation, blower systems, and mechanical equipment design

Mechanical design experience power transmission systems, Rotational Biological Contactors (RBCs), flocculators, and rectangular clarifiers.

Piping system design experience includes wastewater pumping stations and aeration system piping.

Performed field start-up and testing of energy conservation and automatic process control systems in wastewater treatment plants worldwide, with emphasis on aeration and blowers.

Co-founded Energy Strategies Corporation (ESCOR) in 1984, which became the Dresser Roots Wastewater Solutions Group in 2007.

Pioneered the use of Variable Frequency Drive with centrifugal blowers in aeration systems.

Developed and commercialized several proprietary aeration system and blower control algorithms with over 200 DO control systems operating worldwide.

Designed blower controls for positive displacement, multi-stage centrifugal blowers, and single stage centrifugal blowers.

Designed pump stations, performed pump selection and energy evaluation, designed and commissioned pump control systems.

Holds several patents in the wastewater treatment field.

Received 1987 Governor's Energy Award for Energy Innovation (Honorable Mention) for process control and energy management system at Saukville, WI.

Chairman WEFTEC ’13 Workshop W01 “No-Nonsense Data: Wire-to-Air Blower Power” PTC-13 Applications.

Chairman ASME Committee for PTC-13 “Wire-To-Air Performance Test Code for Blower Systems.”, Committee Chair July 2021

Peer Reviewer, EPA Evaluation of Energy Conservation Measurers for Wastewater Treatment Facilities.

Author of multiple papers presented at WEFTEC and multiple articles in the wastewater trade press, Including Blower and Vacuum Best Practices and WE&T / Water Environment and Technology.

Co-presenter at WEFTEC pre-conference workshops on energy conservation.

Co-Editor of Introduction to "Water Resource Recovery Facility Design,"  WEF/McGraw Hill.

Author of "Aeration Control System Design,"  Wiley.

Fellow of the Water Environment Federation.

Adjunct Professor, Civil and Environmental Engineering, University of Wisconsin, Madison  (Read More)


Member Central States, Water Environment Federation (WEF).