Complex sentence: She completed her doctorate in Science Education at Teachers College, Columbia University in 2006, and joined New York University's Steinhardt School of Culture, Education, and Human Development and was promoted to associate professor at NYU in October 2008.
Split into simpler sentences: She completed her doctorate in Science Education at Teachers College, Columbia University in 2006, and joined New York University's Steinhardt School of Culture, Education, and Human Development. She was promoted to associate professor at NYU in October 2008.