Complex sentence: Elizabeth Beyer served as program manager and Joseph Boyce served as lead program scientist for the NASA headquarters; for operations at JPL, Douglas Griffith served as Magellan project manager and R. Stephen Saunders served as lead project scientist.
Split into simpler sentences: Elizabeth Beyer served as the program manager and Joseph Boyce served as the lead program scientist for the NASA headquarters. For the JPL, Douglas Griffith served as the Magellan project manager and R. Stephen Saunders served as the lead project scientist.