Dennis Sarpen
President
dsarpen@jrholley.com

Jim Holley
jholley@jrholley.com

Dena Heiland
Administrative Assistant
dheiland@jrholley.com

Barb Mckenzie
Secretary
bmckenzie@jrholley.com

Tom Wallace P.E.
Vice President
twallace@jrholley.com

Jim Barnes L.A.
Vice President
jbarnes@jrholley.com

Dave Lipinski P.E.
dlipinski@jrholley.com

Jeff Spangler P.E.
jspangler@jrholley.com

 Jason Brenneman P.E.
jbrenneman@jrholley.com

Dave Simpson P.L.S.
d.simpson@jrholley.com

Patti Fisher
pfisher@jrholley.com

Blaine Markel
bmarkel@jrholley.com

Paul Wykowski
pwykowski@jrholley.com

Mark Clark
mclark@jrholley.com

Chad Kehew P.E.
ckehew@jrholley.com

John Hertzog

 Joshua Beck
Systems Adminstrator
jbeck@jrholley.com
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