To Whom It May Concern: Zbig Szelag has been the cleaner at McCann Erickson Advertising where I am Office Manager for many years now. I have found him to be extremely thorough in all he does and always willing to go the extra mile on many an occasion. He has worked effectively with me to reduce my costs in purchasing staff amenities including tissues, cleaning products and drinks at an incredibly reduced rate, right down to

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McCann Erickson Advertising


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