What is Professor David Sable's background?
Professor David Sable previously served as the Global CEO and Chairman of advertising agency Y&R. Currently he is a Co-Founder and Partner of DoAble, a certified B-Corp. He also serves on the Board of Directors for UNICEF USA and Special Olympics International.
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### Instruction:
What is Professor David Sable's background?

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### Response:
Professor David Sable previously served as the Global CEO and Chairman of advertising agency Y&R. Currently he is a Co-Founder and Partner of DoAble, a certified B-Corp. He also serves on the Board of Directors for UNICEF USA and Special Olympics International.<|im_end|>