Lisa Lavelle, a senior program advisor in the Mathematics Education Unit at Education Northwest, is primarily involved in providing professional development to K-12 teachers of mathematics through both research grants and contracts with districts. Through the Northwest Regional Comprehensive Center, she also provides technical assistance to state education agencies. Lisa also teaches Math Methods at Portland State University as an adjunct instructor. Prior to joining the Center for Classroom Teaching and Learning at Education Northwest (formerly the Northwest Regional Educational Laboratory) in September of 2008, Lavelle taught mathematics in both middle school and high school; served as a support teacher for elementary school mathematics; and worked with both preservice and inservice teachers in professional development. She earned her B.A. in Psychology with emphasis in Computer Science from Yale University and at the same time completed the Teacher Preparation Program in Secondary Mathematics at Yale. Lisa went on to earn her M.A. in Professional Studies, Middle School Mathematics, from George Washington University.