Undergraduate GPA: at least 3.0 on a 4.0 scale Letters of Recommendation: three letters of recommendation that demonstrate strong evidence for success in the graduate program GRE: a score of at least 150 on Quantitative Reasoning; 147 on Verbal Reasoning; and 3.5 on Analytical Writing Participation in undergraduate research Post-undergraduate degree professional experience relevant to the planned degree of study Publications in peer-reviewed journals and/or award-winning presentations in technical conferences Availability of appropriate faculty to serve as research advisor(s) International students must score at least 550 (213 computer-based or 79 internet-based) on the TOEFL or a minimum base score of 6.0 on the IELTS.