I am a Professor in the Mathematics Department at Duke University. My favorite research topics are stochastic spatial models that arise from questions in ecology, and use of probability problems that arise from genetics.

- Simons Institute, Berkeley: Evolutionary Biology and the Theory of Computing Jan 13-May 16, 2014
- SEPC14 May 12-13, 2014
- MBI year on Cancer and its Environment, 2014-2015

- Random Graph Dynamics (Cambridge U. Press, 2007)
- DNA Sequence Evolution (2nd Edition, Springer 2008)
- Elementary Probability for Applications (Cambridge U. Press, 2009)
- Probability: Theory and Examples (4th edition, Cambridge U. Press, 2010)
- Essentials of Stochastic Processes (2nd edition, Springer 2012)

** Grant Support.**
Most of this research has been supported by grants from the
National Science Foundation.