Ximena Aristizabal (Manizales, Colombia – Chemical and Biomolecular Engineering, Class of 2013) What activities do you participate in? I am the team leader for the school’s chapter of Engineers Without Borders, for our current Waste Water Management Constructed Wetland System in El Salvador. I am also the PR chair for the Biomedical Science Club and a Senator for the Society of Hispanic Professional Engineers. I am a Peer Counselor and an Ambassador.