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Rametta, who acquired Ranch *1 in 1996, has since been responsible for the restaurants' operating systems and product development.
Chickara also stepped in at Ranch*1 in 1996. He had previously established Arnie's Bagelicious Bagels, Inc, a bagel manufacturing company based in New York which was bought by Quaker Oats in 1994.
ABC News and Reuters contributed to this story.