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Williams soon became , at the same time , Vice President , Treasurer and later Chief Financial Officer of Sears Roebuck and Co. In 1975 , following retirement from Sears Roebuck , he became Chairman of the Sears Bank & Trust ( later acquired by Old Kent Bank ) and directed its transition from a west side neighborhood bank to a downtown Chicago banking institution .
 Williams, Sears Roebuck and Co., Sears Roebuck, Sears Bank, Trust, Bank
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Williams, Sears Roebuck and Co., Sears Roebuck, Sears Bank, Trust, Bank