People

Current group in the lab

Brian Beard (beardb@geology.wisc.edu)
Research Professor and Distinguished Scientist
Co-director of ICP-TIMS lab.

Annie Bauer
 (annie.bauer@wisc.edu)
Assistant Professor
Co-director of ICP-TIMS lab (starting Fall 2019).
 Piyali Chanda (pchanda2@wisc.edu)
Post-doctoral Fellow
Experimental studies of Fe and S isotope fractionation during microbial reduction of pyrite and Fe(III) hydroxides under acidic conditions.
SONY DSCNathan Fortney (nfortney@wisc.edu)
Graduate student
Stable Fe isotope geochemistry of microbial reduction at Yellowstone hot springs. Primary advisor: Prof. Eric Roden, UW-Madison.
Clark Johnson (clarkj@geology.wisc.edu)
Vilas Distinguished Professor
PI of Wisconsin Astrobiology Research Consortium, co-director of ICP-TIMS lab.
levittNicholas Levitt (nlevitt@wisc.edu)
Graduate student
13C-18O “clumped” isotope thermometry of carbonates, stable Mg and Mo isotopes in carbonates. Primary advisor: Prof. Clark Johnson, UW-Madison.
 Xinyuan Zheng (xzheng75@wisc.edu)
Assistant Scientist
Experimental studies of stable Si isotope fractionation in Fe-Si gels and application to Precambrian jaspers and Banded Iron Formations. Fundamental research on femtosecond and nanosecond laser ablation.

Former Students, Post-docs, Staff, and Visitors in the lab

  • Jeff Amato (Post-doc)
  • Nathan Andersen (Ph.D., Brad Singer major advisor)
  • Meagan Ankney (M.S., Ph.D., Post-doc)
  • M’Bark Baddouh (Ph.D., Alan Carroll major advisor)
  • Karin Barovich (Post-doc)
  • Beard Beard (Ph.D.)
  • Marcia Blanco (Staff)
  • Jan Boyer (Staff)
  • Anna Bradshaw (Senior thesis)
  • Joan Bruggink (Staff)
  • Ben Bymers (M.S., Alan Carroll major advisor)
  • Jennifer Cappel-Cousins (Staff)
  • Lauren Chetel (Ph.D., Alan Carroll major advisor)
  • Nan-Chin Chu (Visiting Ph.D. student, Univ. Southampton, U.K.)
  • Elizabeth Colville (M.S., Anders Carlson major advisor)
  • Laura Croal (Visiting Ph.D. student, Caltech)
  • Heidi Crosby (M.S.)
  • Heather Cunningham (Post-doc, Brad Singer major advisor)
  • Andy Czaja (Post-doc)
  • Francois-Xavier Dabzac (Post-doc)
  • Caroline de Meyer (Visiting Ph.D. student, Univ. Lausanne)
  • Amalia Doebbert (Ph.D., Alan Carroll major advisor)
  • Cathy Evans (Visiting Ph.D. student, Dept. Anthropology, U.W. Madison)
  • Joseph Ezzo (Post-doc)
  • Andrew Frierdich (Post-doc)
  • Michael Gerdenich (Visiting Ph.D. student, Univ. Michigan)
  • Martha Gerdes (M.S., John Valley major advisor)
  • Hilary Gittings (M.S., Jean Bahr major advisor)
  • Mihaela Glamoclija (Visiting post-doc, Indiana University)
  • Sarah Green (M.S., Brad Singer major advisor)
  • Melissa Harper (M.S., Brad Singer major advisor)
  • Garret Hart (Ph.D.)
  • Breana Hashman (M.S.)
  • Adrianna Heimann (Post-doc)
  • Morgan Herrick (M.S.)
  • John Hora (Ph.D., Brad Singer major advisor)
  • Ashley Hubbard (Senior thesis, Alan Carroll major advisor)
  • Chris Kennedy (Post-doc)
  • Elliot Jackson (Undergraduate student)
  • Brian Jicha (M.S., Ph.D., Brad Singer major advisor; Post-doc)
  • Chris Kennedy (Post-doc)
  • Elizabeth King (Ph.D., John Valley major advisor)
  • Victoria Khoo (research intern)
  • Andrew Kylander-Clark (Visiting Ph.D. student, U.C. Santa Barbara)
  • Weiqiang Li (Post-doc)
  • Kai Liu (Ph.D., Lingling Wu major advisor)
  • Tom Lapen (Ph.D.)
  • Jim Ludois (M.S.)
  • Nancy Mahlen (M.S., Ph.D.)
  • David Malone (Visiting faculty, Illinois State Univ.)
  • Shelly McGavern (M.S., Dave Clark major advisor)
  • Bill Middleton (Visiting Ph.D. student, Dept. Anthropology, U.W. Madison)
  • Nathalia Migueles (Visiting Ph.D. student, Univ. Nac. del Sur, Argentina)
  • Marcus Milling, Jr. (M.S.)
  • Mason Neuman (research intern)
  • Julie O’Leary (Undergraduate Res. Proj.)
  • Sakiko Olsen (Visiting scientist, Johns Hopkins)
  • Jeff Pietris (Ph.D., Alan Carroll major advisor)
  • Liz Percak-Dennett (M.S., Eric Roden major advisor)
  • Rebecca Poulson (Senior thesis, M.S.)
  • Benita Putliz (Visiting scientist, Univ. Lausanne, Switzerland)
  • Kent Ratajeski (Post-doc)
  • Thiru Reddy (M.S.)
  • Alberto Reyes (Post-doc, Anders Carlson major advisor)
  • Merideth Rhodes (Ph.D., Alan Carroll major advisor)
  • Lee Riciputi (Ph.D.)
  • Kyle Rybacki (Ph.D., Lee Kump major advisor)
  • Bernie Saini-Eidukat (Visiting faculty, N.D. State Univ.)
  • Aaron Satkoski (Post-doc)
  • Allen Schaen (M.S., Ph.D. student, Brad Singer major advisor)
  • Erik Scherer (Visiting Ph.D. student, U.C. Santa Cruz)
  • Ronald Schott (M.S., Ph.D.)
  • Giovani Sella (Senior thesis)
  • Silke Severmann (Post-doc)
  • Bingjie Shi (Ph.D., Lingling Wu major advisor)
  • Aaron Shultis (M.S.)
  • Eric Skarman (M.S.)
  • Joe Skulan (Post-doc)
  • Kate Smith (M.S., Brad Singer major advisor)
  • Kellen Spring (Visiting M.S. student, Univ. Houston)
  • Henry Sun (Visiting scientist, NASA-JPL)
  • Brooke Swanson (M.S., Alan Carroll major advisor)
  • Eva Szilvagyi (M.S.)
  • George Tangalos (M.S., Eric Roden major advisor)
  • M. Ross Vandrey (M.S., Toni Simo major advisor)
  • Robert Ward (Visiting M.S. student, N. Illinois Univ.)
  • Jane Van Heteren (M.S., Lukas Baumgartner major advisor)
  • Nicholas Van Wyck (Ph.D.)
  • Sue Welch (Post-doc)
  • Allison Wende (M.S.)
  • Randy Williams (Ph.D., Laurel Goodwin major advisor)
  • Bryce Winter (Post-doc)
  • Rene Wiesli (Post-doc)
  • Lingling Wu (Post-doc)
  • Kosei Yamaguchi (Post-doc)
  • Timothy Zeichert (M.S.)

Additional Collaborators

Albarède, F (Ecole Normale)  Mason, J (UW-Madison)
Alpers, C (USGS) McLennan, S (Stony Brook)
Alaxandrov, V (Iowa) McManus, J (Oregon)
Bacon, CR (USGS) McSween, S (Tennessee)
Bamgartner, L (Lausanne) Meakin, P (Iowa)
Banaszak, M (Gottingen) Medaris, G Jr (UW-Madison)
Barger, M (Iowa) Mehnert, H (USGS)
Bell, K (Ottawa) Meyers, S (UW-Madison)
Beukes, N (Johannesburg) Misar, Z (Charles Univ)
Bohn, M (CNRS) Morbath, S (Oxford)
Booth, A (Alaska) Morgan, B (Saskatchewan)
Bowman, J (Utah) Nadon, G (Ohio)
Boyanov, M (Iowa) Nägler, T (Bern)
Braterman, P (N Texas) Naranjo, J (Serna Geomin)
Brophy, J (Indiana) Naymark, A (Industry)
Brown, M (Potsdam) Nealson, K (USC)
Brown, P (UW-Madison) Nesbitt, R (Southampton)
Bruckner, R (Iowa)  Neuman, A (Iowa)
Brueckner, H (Queens Coll) Newman, D (Caltech)
Burton, J (UW-Madison) Norsted, B (UW-Madison)
Bussy, F (Lausanne) O’Loughlin, E (Iowa)
Cameron, K (UCSC) O’Neil, J (Michigan)
Carr, M (Rutgers) Ohmoto, H (Penn State)
Carroll, A (UW-Madison) Olson, M (UW-Madison)
Castrogiovanni, E (Industry) Olson, T (Iowa)
Cavosei, A (UPR) Parry, W (Utah)
Chakraborty, S (U KY) Pasakarnis, T (Iowa)
Chamberlain, C (Stanford) Patino, L (Rutgers)
Chan, M (Utah) Pierson, B (Portland)
Clark, D (UW-Madison) Pilet, S (Lausanne)
Clynne, M (USGS)  Poulson, S (UNVR)
Coates, J (Berkeley) Premarante, WAPJ (Iowa)
Collerson, K (UCSC) Price, T (UW-Madison)
Coleman, M (JPL) Roa, HM (Serna Geomin)
Courture, RM (Waterloo) Roden, E (UW-Madison)
Cox, L (Caltech) Roedder, E (USGS)
Czamanske, G (USGS) Rogers, N (Milton Keynes)
Dal Piaz, G (Torino) Romanek, C (Furman)
de Silva, S (Oregon) Rosso, K (PNNL)
Dott, R, Jr (UW-Madison) Saha, S (N Texas)
Druschel, G (Vermont) Sahai, N (Akron)
Drzewiecki, P (E Conn St) Salisbury, M (Oregon)
Edmonds, H (Southampton) Sawyer, D (USGS)
Ehrenfreund, P (George Wash) Schauer, J (UW-Madison)
Eigenbrode, J (NASA) Scherer, M (Iowa)
Ericson, J (UCR) Schoeller, D (UW-Madison)
Feigenson, M (Rutgers) Schoonen, M (Stony Brook)
Ferrari, K (JPL) Schopf, J (UCLA)
Findlay, A (Vermont) Schroter, P (Munich)
Fournelle, J (UW-Madison) Shannon, J (Industry)
Frallick, P (Lakehead) Shelobolina, E (UW-Madison)
Frank, M (ETH) Shirey, S (Carnegie-DTM)
Freeman, K (Penn St) Simo, A (Industry)
Fridrich, C (USGS) Singer, B (UW-Madison)
German, C (WHOI) Sinha, M (JPL)
Gorski, C (Industry) Skora, S (Lausanne)
Grassian, V (Iowa) Smith, A (Johannesburg)
Graham, I (Wellington) Smith, K (Industry)
Green, D (Southampton) Smith, M (Chico St)
Greene, S (Industry) Snyder, G (Tennessee)
Grupe, G (Munich) Sollner, F (Munich)
Guillou, H (GS Yvette) Spicuzza, M (UW-Madison)
Gutzmer, J (Johannseburg) Springer, K (Houston)
Hacker, B (UCSB) St. Clair, M (Coe Coll)
Hagstrum, J (USGS) Summons, R (MIT)
Handler, R (Iowa) Taylor, L (Tennessee)
Hellebrand, E (Max Planck) Thompson, R (USGS)
Hildreth, W (USGS) Throckmorton, A (Industry)
Huberty, J (UW-Madison) Tikoff, B (UW-Madison)
Hyslop, E (Industry) Tonika, J (Charles Univ)
Janecke, S (Utah St) Usui, A (Kochi)
Jelinek, E (Charles U) Valley, J (UW-Madison)
Kappler, A (Tuebingen) Van Cappellen, P (Waterloo)
Kelly, D (UW-Madison) Van Kranendonk, M (N S Wales)
Kemnar, K (Iowa) Voegelin, A (Bern)
Kerisit, S (PNNL) Von Damm, K (New Hampshire)
Kissel, C (GS Yvette) Walker, J (N Illinois)
Kita, N (UW-Madison) Walter, M (N S Wales)
Klein, C (New Mexico) Wang, C (Iowa)
Konishi, H (UW-Madison) Wang, H (UW-Madison)
Kristjánsson, L (Reykjavík) White, L (USGS)
Kronz, A (Gottingen) Wille, M (ANU)
Kubik, P (ETH) Williford, K (JPL)
Kyser, T (Queens Univ) Winter, B (Industry)
Laj, C (GS Yvette) Worner, G (Gottingen)
Latta, D (Iowa) Xu, H (UW-Madison)
Lipman, P (USGS) Zarzycki, P (Iowa)
Loizeau, J (Geneva)