Sam Whalen is a quantitative and qualitative methodologist with expertise in program evaluation and the design of robust data infrastructures for use with evaluation and continuous improvement. His areas of content expertise include school leadership preparation/development, professional learning, and school-community partnerships. His work appears in several journals, book chapters, and policy/research briefs. His most recent work examines CEO leadership for continuous improvement within the context of the Chicago Public Schools. Whalen has contributed to the development of a wide assortment of leader development materials and has consulted with organizations throughout the US for the design of data infrastructures to support evaluation and continuous improvement.