Leslie Santee Siskin is a noted sociologist of organizations and organizational change. Her research focuses on high school structuring, restructuring, and reform. She is the author or co-author of several articles and books about high schools, including Realms of Knowledge: Academic Departments in Secondary Schools, The Subjects in Question: Departmental Organization and the High School, and The New Accountability: High Schools and High-stakes Testing. She has been a Fellow at Columbia University and Cambridge University, and was Associate Professor at the Harvard Graduate School of Education and at Hofstra before coming to New York University. Leslie earned her master’s and doctoral degrees from Stanford University, and her bachelor’s from Middlebury College.