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Ivan Contreras

Vice President, Senior Geotechnical Engineer

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Iván Contreras has nearly three decades of experience in geotechnical engineering, which he has applied to a wide variety of projects in the United States, Canada, Central America, and Venezuela. These projects range from the conceptual design of small reservoirs to the detailed design of oil-storage-tank foundations and slope-stability remediation. Iván has also managed contracting, consulting, inspecting, forensic, and research projects. His experience has covered mine tailings dams and the mining industry, slope design and landslide stabilization, foundations, embankment dams, ground improvement, soil dynamics and earthquake engineering, dredged material, tunnels and underground structures, grouting, and in-situ testing.


(952) 832-2882


Professional Engineer (IL, MI, MN)

service area lead

geotechnical engineering


PhD, Civil Engineering, University of Illinois at Urbana Champaign

MS, Civil Engineering, University of Illinois at Urbana Champaign

BS, Civil Engineering, Universidad Central De Venezuela


Barr Engineering Co.
4300 MarketPointe Drive
Minneapolis, MN 55435

Phone: 952-832-2600
Fax: 952-832-2601
Toll free: 800-632-2277