Boston, MA, June 22-26, 2009—Algebra Project mathematicians, teachers and mathematics educators convened at the HayGroup in Boston, MA for a 5-day intensive institute to prepare new facilitators of AP teacher professional development.  It is called “PDPD,” or “Professional Development for Professional Developers.”  With the support of supplemental funding from the National Science Foundation, the AP seeks to leverage the skills university and school-based partners in the work of supporting teachers.  The 14 participants hailed from five AP sites—Ypsilanti, MI; Los Angeles, CA; Petersburg, VA; San Francisco, CA. Bill Crombie and Lynne Godfrey facilitated the sessions, with support from Becca Bailey of the AP office.