Company: Orapub, Inc. Biography Mr. Shallahamer helps companies improve Oracle IT service delivery. He brings his unique experiences to thousands as a speaker, teacher, researcher, writer, and author of the book, "Forecasting Oracle Performance." After co-founding Oracle's Core Technologies and System Performance Group, he left Oracle in 1998 to start OraPub, Inc.. Through his consulting and his performance firefighting and forecasting classes he has personally trained 1000s of DBAs on 6 continents in 21 countries.