3 Sigma Corp., a leading supplier of specialty custom adhesive and top-coated materials for the pressure-sensitive label industry, has named Mark Ryan as account manager covering the Upper Midwest, including Wisconsin, Minnesota, North Dakota, and South Dakota.

Ryan has more than 20 years of sales and engineering experience in the converting industry, most recently as an independent sales engineer for Precision Coating Group and Caulder Converting. He also had sales responsibilities for Avis Roto-Die, and was a senior project engineer for the Brady Corporation.

Ryan is based in Wisconsin.

For more information, visit www.3sigma.cc.