This letter of recommendation is written by Donald Herline for Mary Keuffer. It states that Mary was Donald's manager at Alcon Labs/Novartis from 2013 to 2014, where she took charge of her mandates and provided clear direction and challenging tasks. When process issues arose, Mary helped find solutions to address all business facets. Working for Mary, Donald broadened his supply chain knowledge and improved his analysis skills. The letter writer can be contacted at the number provided for any questions.