About me

Browse this site for information about my research or follow this link for my (fairly) current C.V.


http://geoffreyzahn.com/wp-content/uploads/2015/06/P4280105.jpgAs of Fall 2017, I will be starting as an assistant professor of mycology at Utah Valley University! So keep an eye out for some new research projects. I am currently a postdoctoral researcher in the Amend lab at the University of Hawaii, Manoa. We are studying phyllosphere microbial communities with an aim to better understand the influence of genetic relatedness in fungal colonization outcomes and to aid in conservation efforts for the endangered plant, Phyllostegia kaalaensis, which is currently being attacked by non-native pathogens.  I received my PhD in Biology at the University of Arkansas, where my research focused on the distributional and functional ecology of slime molds.  My dissertation work demonstrated that the influence of amoebal predation on soil bacterial community structure and carbon cycling is interactive with soil type and temperature, and notably, that bacterial community responses to soil warming are likely mediated through protist predators!  I received my B.S. in Biology at Missouri State University where I became interested in conservation.  I am broadly interested in microbial ecology and biogeochemistry, but am particularly drawn to applied questions and manipulative experimentation.

When I am not playing with my microbes I enjoy hiking, kayaking for days at  a time, and cooking. Also, I have the best dog ever, Dr. Indiana Jones.



Software:          R, Bash, Basic Perl/Python, MEGAN, mothur, ARB, IMG/M (cert. user), Galaxy, JMP, QIIME (cert. user), Git, Geneious, vsearch

Techniques:      Soil nucleic acid extraction, NG library prep and sequencing, Bioinformatics, RT-PCR, Fluorescent microscopy, Microbial culture curation, Primer design, Soil microcosms, Cryopreservation, Comparative metagenomic analyses, IR gas analyses, Stable isotope analyses, Greenhouse management, Field work (AKA bushwhacking though the rain and measuring things)Geoff and Kelly


2016                       MSA – Translational Mycology Postdoctoral Award
                       Japan Society for the Promotion of Science (JSPS) Alumnus Travel Award
2014                       Dept. of Energy Joint Genome Institute Travel Award
2013                       JSPS Summer Research Fellowship
2013                       NSF EAPSI Grant (OISE-1308856)
2013                       Clean Air – Cool Planet Climate Fellowship
2011                       Mycological Society of America Travel Award
2011                       NSF GK-12 Fellowship (DGE-0139570)


International Society for Microbial Ecology
Mycological Society of America
International Society for Fungal Conservation
Japan Society for the Promotion of Science Alumni Association


(Click here for photo gallery of some stuff)