Complex sentence: March 23,2016-U.S. Secretary of Commerce Penny Pritzker announced today that she has selected Kiersten Todt to join the Department's National Institute of Standards and Technology (NIST) team and serve as the Executive Director of the Commission on Enhancing National Cybersecurity.
Split into simpler sentences: March 23,2016-Todt joined the National Institute of Standards and Technology (NIST) team. She was the Executive Director of the Commission on Enhancing National Cybersecurity.