Complex sentence: Robert E. Paaswell is an American engineer, currently the Distinguished Professor at Grove School of Engineering, and Director Emeritus of the University Transportation Research Center at City College of New York, and also a published author.
Split into simpler sentences: Robert E. Paaswell is an American engineer and the current Distinguished Professor at the Grove School of Engineering. He is Director Emeritus of the University Transportation Research Center at City College of New York, and a published author.