Our Experienced Team

The DDI team consists of over 200 seasoned professionals in the US and China. In the US there are engineering, technical, QC/QA, logistics, accounting, and warehousing personnel that can respond to your needs instantly with solutions to keep your parts and projects moving. These same personnel are mirrored in our 8 China offices with technical and sourcing teams supported by a logistics center and warehouse in Qingdao, China.

The breadth and depth of knowledge and skills ensures that when you work with DDI you will receive the very best service, advice and follow through from beginning to end. Our reputation speaks for itself, with most of our customers having been with us at least ten years.

DDI Inc Dubuque Building Side Profile

Zhenhai Li

CEO and President

Received his PhD. from the University of Illinois in Engineering and worked for Double L Group in Dyersville, Iowa. Founded DDI, Inc. in the spring of 1999 with a focus on agricultural and retail products for farm and fleet stores.

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Zhenhai Li

Zhenhai Li

CEO and President

Richard Walker

Account Executive/Wireform/OEM Products
rwalker@ddicorp.com
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Richard Walker

Richard Walker

Account Executive/Wireform/OEM Products

Sara Junk

Account Executive/OEM/Agricultural Products
sjunk@ddicorp.com
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Sara Junk

Sara Junk

Account Executive/OEM/Agricultural Products

Scott Bullock

Ag Division Manager
sbullock@ddicorp.com
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Scott Bullock

Scott Bullock

Ag Division Manager

Marty Till

Account Executive
mtill@ddicorp.com
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Marty Till

Marty Till

Account Executive

Randy Schofield

Technical Sales Executive / Manufacturing Engineering Technician
randy@ddicorp.com
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Randy Schofield

Randy Schofield

Technical Sales Executive / Manufacturing Engineering Technician