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The Sadex Management and Operations Team

The following details the background and experiences of the management team assembled to create, develop, and manage SADEX and future cold pasteurization activities within the Corporation.


Harlan Clemmons is the President and COO of SADEX Corporation and a member of its board. He is responsible for all aspects of the Sioux City facility. From 1999 to 2003, Mr. Clemmons served as Plant Manager as well as the primary client contact at the same facility, then owned by a different corporation. Prior to joining SADEX, Mr. Clemmons was with ConAgra as a production manager in the packaging, warehousing, bulk, elevator, and scheduling unit from 1996-1999. Mr. Clemmons designed and implemented numerous process improvement innovations during his tenure as a Plant and Production Manager. These included HACCP, Sanitation, Safety, and SOP plans to be compliant with FSIS, FDA, and USDA regulations. Mr. Clemmons has a Bachelor of Science in Agricultural Economics from the University of Illinois at Urbana-Champaign.

Michael Adams is the Assistant Plant Manager and Operator for the Sioux City facility of the SADEX Corporation. From 2003 to 2004, Mr. Adams served as the Operator for the same facility, then owned by another corporation, where he was responsible for a crew of employees and the operation of the SureTrack Computer System. Prior to joining SADEX, Mr. Adams was with ConAgra in multiple capacities, most notably as a Head Miller, for over 25 years. During his long tenure at ConAgra, Mr. Adams implemented several time-saving and increased efficiency initiatives in milling facilities in Texas, Pennsylvania, Illinois, and Iowa.

Dr. Edward Clemmons is the Computer Systems Administrator for the Sioux City facility of the SADEX Corporation. His responsibilities include IT implementation and troubleshooting, production and machine supervision, quality assurance monitoring, administrative tasks, and customer service. From 2000-2005, Mr. Clemmons attended the University of Iowa, where he received a B.S. in Chemistry with an emphasis in Pre-medicine. Currently, Dr. Clemmons is a resident physician at the University of Iowa and assisting SADEX in an off-site capacity. As such, his tasks currently focus on IT aspects, production efficiency, quality assurance, website maintenance and administrative responsibilities.

Betsy Brown is the Administrative Assistant for the Sioux City facility of the Sadex Corporation. Prior to joining the Sadex team, Ms. Brown served as a program leader for Edwards Air Force Base Child Care Center. At the time of her return to the state of Iowa, Ms. Brown was employed by Magic Depot Child Care Center where she gained valuable customer service skills. Ms. Brown will complete her A.A. degree at Western Iowa Tech Community College in 2011.
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