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Warren Cook

Warren's professional background covers a wide range of businesses, from photography and arts management to automotive manufacturing to non-profit organization - with a little military service in there too! He is a registered CPA and a certified QuickBooks ProAdvisor since the software was created in 1999.

A Michigan native, Warren has spent the last 25 years in Southern California, where he now resides in Laguna Niguel.

  • Member A.I.C.P.A.
  • Certified QuickBooks ProAdvisor
  • Certified American Institute fo Professional Bookkeepers
 



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Warren Cook

 
       
 

Diane Preston

Diane Preston is a bookkeeping specialist who has spent the past 10 years helping southern California entrepreneurs manage their small business accounting and administration. From Sea Salt Farming in Hawaii to Green Interior Design, Diane has been instrumental in helping these small businesses handle their daily operations.

Prior to joining Cook Business Solutions, Diane spent many years living in Switzerland. She has a background in Photography and Video Production.

  • Certified Quickbooks Pro-Advisor
  • Certified American Institute of Professional Bookkeepers
 

 

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Diane Preston

 
       
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Certified QuickBooks
ProAdvisors
since 1999

 

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