Dr. Jake  Esselstyn  is currently working as a Assistant Professor in the Department of Department of Biological Sciences, Louisiana State University , USA. His research interests includes evolutionary history of small mammals in the Old World, and in particular, the island archipelagos of Southeast Asia. He is serving as an editorial member and reviewer of several international reputed journals. Dr. Jake  Esselstyn  is the member of many international affiliations. He has successfully completed his Administrative responsibilities. He has authored of many research articles/books related to evolutionary history of small mammals in the Old World, and in particular, the island archipelagos of Southeast Asia.

My research focuses on the evolutionary history of small mammals in the Old World, and in particular, the island archipelagos of Southeast Asia. In general, I combine biodiversity inventories with molecular and morphological systematics to understand how organisms diversify and fill the environment. I am especially interested in the effects of ecological opportunity, time of colonization, and incumbency on the tempo and mode of speciation in island-dwelling lineages.