West

Robert Collaer (Regional Manager)

Idaho Falls, Idaho

Office: (509) 340-3857
Fax: (208) 552-7909
Cell: (208) 709-7990  

Geographical Area: Idaho, Montana, Wyoming, North Dakota, South Dakota

robert.collaer@yara.com

Greg Rambo (Regional Manager)

Spokane, Washington

Office: (509) 838-0470
Fax: (509) 838-0449
Cell: (509) 995-9094

Geographical Area: Oregon, Washington, and British Columbia, Canada.

greg.rambo@yara.com

Ron Naven (Regional Manager)

Rocklin, California

Office: (916) 632-3120
Fax: (916) 632-1791
Cell: (916) 956-9992

Geographical Area: Northern California and Northern Nevada

ron.naven@yara.com

Leonard Hammer (Regional Manager)

Fowler, California

Office: (559) 834-4616
Fax: (559) 834-1227 
Cell: (559) 974-7298

Geographical Area: Central California

leonard.hammer@yara.com

Jon Collison (Regional Manager )

Bakersfield, California

Office: (661) 589-8796
Cell: (661) 340-8495

Geographical Area: Southern California

jon.collison@yara.com

Andy Hancock (Regional Manager)

Yuma, Arizona

Office: (928) 345-2276
Fax: (928) 345-2278
Cell: (928) 210-3649

Geographical Area: Arizona, Southern California, Southern Nevada, New Mexico, Colorado, Utah, and Hawaii

andy.hancock@yara.com