She has been engaged in science education, scientific research, museum education, and museum research since 1996.  Cristina was the Director of the Fleet Inquiry Institute for teacher professional development at San Diego's Reuben H. Fleet Science Center from 2007-2013, and held a unique statewide science teacher professional development  leadership position in California as the Director of the UC San Diego Science Project from 2011-2015.  She is interested in lifelong learning, building and nurturing ing teacher networks, and helping districts and school sites support student learning in this new era of Common Core and NGSS.