Complex sentence: Mills left her position at SBA on Sept.1,2013, and received praise for her leadership of the agency from the lending industry because of her work to tackle outdated regulations, bureaucracy and strengthening and simplifying the agency's core loan programs.
Split into simpler sentences: Mills left her position at SBA on Sept.1,2013. She received praise for her leadership of the agency from the lending industry because of her work to tackle outdated regulations, bureaucracy and strengthening and simplifying the agency's core loan programs.