GRIP is the Genealogical Research Institute in Pittsburg.
It is a week long institute and offers in depth courses on research methodologies. Target audiences range from beginner to advanced. It is one of the major institutes in the USA. Others are IGHR (Institute for Genealogical and Historical Research) and SLIG (Salt Lake Institute for Genealogy). The courses are taught by some of the leading genealogists in the country.
GRIP info is at https://www.gripitt.org