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Prior remained in San Diego and joined LightPointe Communications , rising to the position of chief financial officer and interim CEO by September 2004 , when he moved to SAIC as Senior Vice President , Federal Systems and worked his way up to COO .
 Prior, Diego, SAIC, Systems
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Prior, Diego, SAIC, Systems