Motion control and positioning technology firm PI (Physik Instrumente) LP has promoted Dave Rego to director of sales for the U.S. Eastern Region. Rego holds a B.S. in mechanical engineering and a B.A. in German from the University of Rhode Island, and an M.B.A. from Babson College. He has been handling PI's key industrial accounts on the East Coast for several years, and brings a substantial and knowledgeable background in precision motion technology, leadership, and project management skills, PI said.