What did Prof. David Sable launch during his time at YR?
During his time at YR, Professor David Sable launched Healthcare and B2B practices, as well as an inhouse accelerator called The Spark Plug.
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### Instruction:
What did Prof. David Sable launch during his time at YR?

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### Response:
During his time at YR, Professor David Sable launched Healthcare and B2B practices, as well as an inhouse accelerator called The Spark Plug.<|im_end|>