Disclaimer: The content on this website may not be accurate as the domain is not with its previous owner. For updated and accurate content, kindly refer to


The Ross-Ibarra lab website has moved to This domain is currently available for purchase.


Current R-I Lab members

Please read more information on joining the lab

Elli Cryan

Elli is a plant biology graduate student coadvised by Dan Kliebenstein, working on the evolution of gene networks.

Dan Gates

Dan is a postdoctoral scholar who studies adaptive introgression and local adaptation in maize landraces as part of the HiLo project.

Sarah Hissong

Sarah is a NSF postdoctoral fellow and the Linnean Fellow of Oleraceous Genetics. She works on the population and quantitative genetics of Brassica.

Asher Hudson

Asher is a graduate student in Population Biology working on genotype by envrionment interaction in maize as part of the maize diversity project.

Ashley Johnson

Ashley is a Biochemistry major, currently working on using machine learning methods to identify deleterious alleles in maize.

Nathaniel Langlois-Ackerson

Nate is a plant sciences major working on thermogenesis and germination in highland maize.

Sean McGinty

Sean is an undergraduate working on background selection in maize.

Sarah Odell

Sarah is a plant biology graduate student coadvised by Dan Runcie, working on evolutionary and statistical genetics in maize.

Taylor Perkins

Taylor is our Lab Czar, managing the wetlab side of our research. He was previously at U. Tennessee where he earned a MS in Environmental Science working on chestnuts.

Alyssa Phillips

Alyssa is a Plant Biology graduate student working on environmental adaptation in big blue stem as part of the PanAnd project.

Jeffrey Ross-Ibarra

Jeff is a Professor in the Department of Plant Sciences and a faculty member of the Center for Population Biology and the Genome Center.

Catherine Rushworth

Cathy is a postdoctoral scholar working on the genomics and quantitative genetics of recombination rate variation in maize and teosinte as part of the maize diversity project.

Michelle Stitzer

Michelle is a graduate student in Population Biology, working on the population genetics of transposable elements in maize and Arabidopsis as part of the maize diversity project.

Silas Tittes

Silas is a postdoc and the lab’s current Felix Andrews Statistical Fellow, working on approaches to study convergent evolution as part of the PanAnd project.

Lab Alumni

  • Dianne Velasco PhD Student 2010-2019 (USDA-ARS National Clonal Germplasm Repository)
  • Li Wang: Postdoc 2018-2019 (Research Scientist, Agricultural Genomics Institute Shenzhen)
  • Markus Stetter: Postdoc 2017-2019 (Asst. Group Leader, U. Köln)
  • Wnebin Mei: Postdoc 2016-2018 (Scientist at Inari Agriculture)
  • Anne Lorant: Lab manager, PhD student, postdoc 2013-2018 (Postdoc, UC Davis)
  • Emily Josephs: Postdoc 2015-2018 (Asst. Professor, MSU)
  • Luis Avila: Programmer 2016-2018 (IT Breeding Tool Project Leader, HM Clause)
  • Anna O’Brien: PhD Student 2011-2017 (Postdoc, U. Toronto)
  • Jinliang Yang: Postdoc 2014-2017 (Assistant Professor, U. Nebraska)
  • Josh Hough: Postdoc 2016-2017
  • Paul Bilinski: PhD Student 2010-2016 (Associate Professor, West Shore Community College)
  • Simon Renny-Byfield: Postdoc 2014-2016 (Research Scientist, Dupont Pioneer)
  • Kate Crosby: Postdoc 2014-2015 (Research Scientist, Monsanto)
  • Sayuri Tsukahara: Postdoc 2013-2015
  • Tim Beissinger: Postdoc 2014-2015 (Professor, U. Göttingen)
  • Arun Durvasula: Undergraduate 2013-2015 (PhD Student, UCLA)
  • Nivaz Brar: Undergraduate 2014-2015
  • Chris Fiscus: Undergraduate 2014 (PhD Student, UC Riverside)
  • Tyler Kent: Undergraduate 2013-2015 (PhD Student, U. Toronto)
  • Vince Buffalo: Computational Biologist 2013-2014 (PhD Student, UC Davis)
  • Sofiane Mezmouk: Postdoc 2012-2014 (Research Scientist, KWS)
  • Shohei Takuno: Postdoc 2012-2013 (Asst. Professor, SOKENDAI)
  • Matthew Hufford: Postdoc 2010-2013 (Assoc. Professor, Iowa State)
  • Tanja Pyhäjärvi: Postdoc 2010-2012 (Sr. Research Fellow, U. Oulu)
  • Joost van Heerwaarden: Postdoc 2009-2011 (Researcher, U. Wageningen)

Visiting Scholar: for >100 hours of scholastic visitation

Fellow of the R-I Lab: for >500 hours of scholastic fellowship

Current Collaborators

Evolution of Incompatibility Loci in Maize and Teosinte

Quantitative Genetics of Genotype x Environment Interaction

Evolutionary Genetics of Transposable Elements

Dynamics of quantitative trait evolution and linked selection

Convergent Evolution in the Andropogoneae

Biology of rare alleles in maize and teosinte

Evolutionary genetics of highland adaptation in maize

Comments are closed.