Complex sentence: Then, from 2005 to 2009, Gruskin was a standing member of the Scientific Review Committee on Behavioral and Social Consequences of HIV/AIDS, which was under the auspices of the National Institutes of Health.
Split into simpler sentences: Then, from 2005 to 2009, Gruskin was a standing member of the Scientific Review Committee on Behavioral and Social Consequences of HIV/AIDS. This was under the auspices of the National Institutes of Health.