East Moline, Ill. — Greg Stak has been named vice president of sales at H.C. Duke & Son, LLC / Electro Freeze. He most recently held senior sales management positions for Vollrath Company at Stoelting Foodservice and in the Vollrath Foodservice Sales division. Stak’s experience includes working within a distributor network, national and regional dealers, as well as with major national chains. Stak is responsible for Electro Freeze customer service, marketing and sales. He will be developing new customers and promoting Electro Freeze products through established relationships and digital resources. “Greg’s …