Stephen J. Lehtonen has been a legislative and regulatory advocate for more than thirty years, holding many construction industry positions, including service as Executive Vice President, Plumbing, Heating, Cooling Contractors of California, and Executive Vice President, California Legislative Conference.

In 2006, Lehtonen created GreenPlumbers USA, an innovative water efficiency and education program for plumbers that followed upon a similar Australian program. GreenPlumbers USA trained thousands of plumbers throughout the US between 2006 and 2011, and is still in operation today under different ownership.

Lehtonen is the President and CEO of Onni, Inc. and also served for the past four years as a Senior Vice President of the International Association of Plumbing & Mechanical Officials.

Appointed to the Board January 17, 2017; his term runs through 2018.

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Steve Lehtonen

Director, Division 3

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Steve Lehtonen, Division 3
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Ron Duncan
Vice President, Division 1

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Mike Thompson
Director, Division 2

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Steve Lehtonen
Director, Division 3

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Dr. Blair Ball
Director, Division 4

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Leonard Stephenson
Treasurer, Division 5

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David Castaldo
Director, At Large No. 1

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David Fenn
President, At Large No. 2