From March 1997 till March 2000, he was a Vice-President and Chief Scientist at Knowledge Stream Partners, consulting and software development company which specialized in advanced data mining and customer analytics. KSP was purchased by Xchange on April 3, 2000. The project focused on developing and deploying advanced data mining and knowledge discovery systems for business applications. In 1981-1985, Gregory worked at Strategic Information Systems, Burlington, MA on developing financial database systems and query optimization.
Publications Here is a list of recent publications and presentations .
He regularly gives invited talks on Data Mining and Knowledge Discovery related topics. His Ph.D. disseration on Self-Organizing Database Systems received NYU awards as the best dissertation in computer science and in all natural sciences.