Complex sentence: In the private sector, she is currently serves on the corporate board of Abt Associates, and has served on the board of the McDonalds Corporation and on the Citigroup Economic and Political Strategies Advisory Group.
Split into simpler sentences: In the private sector, she currently serves on the corporate board of Abt Associates. She has previously served on the board of the McDonalds Corporation and on the Citigroup Economic and Political Strategies Advisory Group.