Macalady Lab Alumni
Ph.D. Degree
2023 Heidi Aronson U.C. Berkeley
2021 Diana Ayala-Muñoz
2018 Uyen Nguyen MainGames Indonesia
2017 Muammar Mansor University of Tuebingen
2015 Rebecca McCauley Rench NASA
2015 Christen Grettenberger U.C. Davis
2013 Kristine Korzow Richter Max Planck Inst. Sci. Human Orig.
2013 Lance Larson Congressional Research Service
2012 Daniel S. Jones New Mexico Tech
2012 Katherine S. Dawson Rutgers University
2009 Bryn Kimball Intera
2008 Joel Moore Towson University
Postdoctoral Scholars
2019 Brandi Cron Kamermans Salish Sea Research Center
2018 Sara Lincoln Penn State EESL
2016 Trinity Hamilton University of Minnesota
2014 Dominique Tobler University of Copenhagen
2011 Sharmishtha Dattagupta University of Göttingen
M.S. Degree
2017 Amanda Labrado University of Texas El Paso
2017 Christian Clark Palmer Station, Antarctica
2016 Sebastian Haas McGill University
2014 Leah Tsao Medtronic
Undergraduate Researchers (incomplete)
2018 Kyle Sherbine Univ. of Minnesota
2014 Alexandra Pearce New Mexico Tech.
2011 Masaru Nobu Nat. Inst. of Adv. Industrial Sci. and Tech.
2010 Daniel Brady Mills Stanford University
2005 Lindsey Albertson Montana State Univ.
2003 Bess Koffman Colby College
2003 Leah Morgan USGS
More about us
Heidi Aronson
Ph.D. student
Heidi Aronson studied the thermodynamics and genetics of microbial sulfur transformations. She is currently a postdoctoral scholar at U.C. Berkeley. Read more
Brandi Cron Kamermans
Postdoctoral Scholar
Dr. Brandi Kamermans was co-advised by Dr. Julie Cosmidis and studied how microorganisms interact with elemental sulfur in laboratory and field experiments. She is currently a research scientist at the Salish Sea Research Center.
Christian Clark
M.S. Student
Christian Clark (Geosciences) studied sulfur disproportionation in sulfidic cave sediment communities. He is currently working as a science and technical diver.
Trinity Hamilton
Postdoctoral researcher
Dr. Trinity Hamilton studied sulfur cycling microbial communities in Proterozoic-analog environments in the Bahamas, Florida, Italy, and Canada. She is currently an Associate Professor in the Department of Microbiology at the University of Minnesota. Hamilton Lab
Lindsay Albertson
Undergraduate Researcher
Lindsay Albertson (REU participant) is currently an Assitant Professor of Ecology at Montana State University. Albertson Lab
Heidi Albrecht
Ph.D. Student
Heidi Albrecht (Geoscience and Astrobiology) investigated the function of bacteriohopanepolyols (BHPs) in modern bacteria. She is currently a scientist at Shell Oil.
Uyen Nguyen
Ph.D. Student
Uyen Nguyen (Geoscience) studied marine hydrocarbon biodegradation. She currently works at MainGames Indonesia.
Leah Morgan
Undergraduate Researcher
Leah Morgan (Geology) studied the microbial community and geochemistry of cave biofilms. She is currently a Research Geologist at the U.S. Geological Survey.
Bess Koffman
Undergraduate Researcher
Bess Koffman (Geology) used molecular phylogenetic analysis to investigate a sufur-cycling cave microbial mat community. She is currently an Assistant Professor in the Department of Geology at Colby College. Koffman Lab
Joel Moore
Ph.D. Student
Joel Moore (Geosciences and Biogeochemistry) studied weathering and microbial communities in a soil chronosequence. He is currently an Associate Professor of Geoscience at Towson University. Moore Lab
Daniel S. Jones
Ph.D. Student
Dan Jones (Geosciences and Biogeochemistry) studied microbial interactions in extremely acidic subsurface environments and microbial influences on limestone cave formation. He is currently an Assistant Professor in Earth and Environmental Science at New Mexico Tech. Jones Research Group
Sebastian Haas
M.S. student
Sebastian Haas (Marine Microbiology) was advised by Dr. Dirk De Beer at the Max Planck Institute for Marine Microbiology in Bremen, Germany. His M.S. project was the first intensive scientific study of a novel low-light biofilm in the Bahamas. He is currently a Ph.D. student at McGill University.
Muammar Mansor
Ph.D. Student
Muammar Mansor (Geosciences and Astrobiology) was co-advised by Dr. Matthew Fantle and studied sulfur and iron isotopic biosignatures and the genomes of large sulfur-oxidizing bacteria, including novel strains of Chlorobium and Achromatium. He is currently a Junior Group Leader in Geomicrobiology at the University of Tuebingen.
Rebecca McCauley Rench
Ph.D. Student
Rebecca McCauley Rench (Geosciences and Astrobiology) studied the geochemistry and microbiology of sulfur-cycling microbial mat communities. She is currently a Program Scientist at NASA.
Masaru Nobu
Undergraduate Researcher
Masaru K Nobu(延 優) has had a passion for cultivating microorganisms since he successfully enriched anoxygenic phototrophs in the Macalady Lab. He is currently a research scientist at the Japanese National Institute of Advanced Industrial Science and Technology.
Katherine Dawson
Ph.D. Student
Kat Dawson studied the fate of branched hydrocarbons in the environment, including coal beds and hypersaline water bodies. She is currently an Associate Professor at Rutgers University. Dawson Lab
Christen Grettenberger
Ph.D. Student
nChristy Grettenberger (Ecology and Biogeochemistry) studied microbial niche partitioning in Appalachian acid mine drainage biofilm communities. She is currently a Assistant Professor at the University of California at Davis. Grettenberger Research Group
Dominique Tobler
Visiting Postdoctoral Scholar
Dr. Dominique Tobler studied microbial pigments and geochemistry in a Proterozoic analog microbial ecosystem. She is currently an Associate Professor in the Department of Chemistry at the University of Copenhagen. Tobler Research Group
Bryn Kimball
Ph.D. Student
Bryn Kimball (Geosciences and Biogeochemistry) was co-advised by Dr. Susan Brantley and studied the geochemistry and microbiology of acid mine drainage environments. She is currently a geochemist at Intera.
Daniel B. Mills
Undergraduate Researcher
Dan Mills (Geobiology) completed a thesis with honors on the molecular analysis of benthic biofilms from acidic coal mine drainage. He is currently an Agouron Institute Postdoctoral Fellow at Stanford University. Read more…
Sharmishtha Dattagupta
Postdoctoral Scholar
Dr. Sharmishtha Dattaguputa studied a novel terrestrial animal-bacteria symbiosis. She is currently on the faculty at the Amani Institute .
Lance Larson
Ph.D Student
Lance Larson (Environmental Engineering and Biogeochemistry) studied the geochemistry of microbial activity in Appalachian acid mine drainage environments. He is currently an Analyst at the Congressional Research Service.
Katja Meyer
5th year postgraduate intern
Katja Meyer (B.A. Geology) worked on the geomicrobiology of the Frasassi Caves. She is currently an Assistant Professor of Environmental Science at Willamette University.
Sara Lincoln
Postdoctoral Scholar
Dr. Sara Lincoln co-advised Uyen Nguyen during her project on marine hydrocarbon degradation. She was co-advised by Dr. Katherine Freeman and is currently a scientist at Penn State’s Energy and Environmental Sustainability Laboratory.
Zena Cardman
Ph.D. Student
Zena Cardman worked on the microbiology of enigmatic worm-like cave biofilms. She is currently serving in the U.S. Astronaut Corps.
Leah Tsao
M.S. Student
Leah Tsao (Geoscience) studied niche partitioning in sulfur-oxidizing microorganisms. She is currently a data scientist at Medtronic.
Amanda Labrado
M.S. Student
Amanda Labrado (Geoscience) studied nitrogen cycling in sulfidic cave biofilms. She is currently a Ph.D. student at the University of Texas at El Paso.
Kristine Korzow Richter
Ph.D. Student
Kristine Korzow Richter developed methods to study the genomes of microorganisms isolated from the deep subsurface. She was co-advised by Dr. Beth Shapiro. She is currently working in the Department of Archaeology at the Max Planck Institute for the Science of Human History.