Dave Rosenak grew up in Hammond, Indiana, a residential community in the industrial northwest corner of Indiana. He attended Hammond High School, and worked summers in the steel mills. He attended and graduated Purdue University, with a Bachelor’s degree in engineering, and a commission as a Lieutenant in the US Army.

Dave's active active duty was spent on Okinawa running a weapons maintenance depot. Before his discharge, he was assigned to calibrate artillery for the Marines around DaNang, at the start of the Vietnam war.  After discharge, Dave built a start up business, molding plastics, and  he developed a line of molded housewares products, “Ingrid Ltd,"  His company employed some 400 people, and his products were distributed nationally. In 1979 Dave sold his company to Marley Ltd. of the UK.

In 1983 Dave joined the founder of a small business that fabricated plastic store display items, and he built it to a substantial store fixture and merchandise display company, JD Concepts.  In 1999 he sold the company to Chicago Display Marketing.

Presently, Dave is an executive with L&L Display Company in Chicago. The company is a fabricator of parts for the merchandise display industry.

Dave, his wife Judy, and their dog Jake reside in Highland Park, IL. They have been married since 1969 and have three grown children, and 4 grandchildren.

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