NSF REU Site
https://www.nsf.gov/crssprgm/reu/reu_search.jsp
ORAU
https://www.orau.org/science-education/internships-scholarships-fellowships/default.aspx
SIAM
http://www.siam.org/careers/internships.php
Math Alliance
http://mathalliance.org/?page_id=4023
http://mathalliance.org/?page_id=3157
Summer Institute for Training in Biostatistics
Emory University
Boston University
http://www.bu.edu/sph/academics/departments/biostatistics/summer-institute-for-training-in-biostatistics/
University of Iowa
http://www.public-health.uiowa.edu/isib/
North Carolina State University and Duke Clinical Research Institute
http://www.stat.ncsu.edu/programs/sibs/
University of Wisconsin
https://www.biostat.wisc.edu
University of Minnesota
http://www.sph.umn.edu/academics/institutes/sibs/