SIOUX FALLS, SD -- Electronic Systems Inc. today promoted Gary Larson to president, superseding founder Leo Reynolds, who becomes vice chairman.

The EMS firm also named Steve Hillesheim director of program management, and Jeff Tomassoni regional director of sales in the Minneapolis area.

In a statement, Reynolds said, "Our business grew 17% in 2004 and we have added seven new customers in 2005. We feel that these organizational changes and expansion of our sales team provide a strong foundation to support this growth in revenue and services."

The moves free Reynolds to focus on business development, customer relations and strategic planning.

Larson, who has been with Electronic Systems for six years, has prior experience at Litton Corp., Appleton Electric Co., E.F. Johnson, Telex Corp. and Pemstar.

Hillesheim has been with the company for two years, and Tomassoni has 22 years experience in EMS, including positions at Reptron Manufacturing, Micro Dynamics, SCI Systems, Pemstar, Manufacturer's Services Ltd., Harvard Custom Manufacturing and Hibbing Electronics.