Picture of Jeff Warner

Jeff Warner PhD Industry Services Manager

Areas of Expertise

  • Geochemistry
  • Environmental Science


In his role as Manager of the Industry Services group, Jeff Warner effectively coordinates a multi-disciplinary approach to industrial problems. Working amidst many international light sources and the industrial sector for 20+ years, he provides insightful guidance to the Industry Services team as they are approached with real-world obstacles.

Prior to leading the Industry Services group, Jeff was a Senior Environmental Geochemist at Cameco and an Industrial Scientist at the CLS. A geochemist by training, Jeff completed his education at Carleton University and UC Davis. Post-doctoral fellowships at Stanford University and the Lawrence Berkeley National Laboratory allowed him to further pursue his passion for environmental science. His coordination of the Industry Services team provides a goal-oriented approach to problem-solving, and encourages collaboration amongst scientists.

Outside of the CLS, Jeff is an adjunct professor of geology at the U of S. In his spare time, he can be found at the soccer pitch with his three children or working on home renovation projects. Following the Covid-19 pandemic, he is looking forward to reuniting with his parents and family.


Biogeochemical Importance of the Bacterial Community in Uranium Waste Deposited at Key Lake, Northern Saskatchewan

Bondici, V.; Swerhone, G.; Dynes, J.; Lawrence, J.; Wolfaardt, G.; Warner, J. and Korber, D. (2016). Biogeochemical importance of the bacterial community in uranium waste deposited at Key Lake, Northern Saskatchewan. Geomicrobiology 33(9), 807-821. 10.1080/01490451.2015.1117547

Biogeochemical Activity of Microbial Biofilms in the Water Column Overlying Uranium Mine Tailings

Bondici, V.F.; Khan, N.H.; Swerhone, G.D.W.; Dynes, J.J.; Lawrence, J.R.; Yergeau, E.; Wolfaardt, G.M.; Warner, J. and Korber, D.R. (2014). Biogeochemical activity of microbial biofilms in the water column overlying uranium mine tailings. Journal of Applied Microbiology 117, 1079-1094. 10.1111/jam.12593

Bacterial Diversity and Composition of an Alkaline Uranium Mine Tailings-Water Interface

Khan, N.H.; Bondici, V.; Medihala, P.; Lawrence, J.R.; Wolfaardt, G.M.; Warner, J. and Korber, D. (2013). Bacterial diversity and composition of an alkaline uranium mine tailings-water interface. The Journal of Microbiology 51(5), 1-12. 10.1007/s12275-013-3075-z

Microbial Communities in Low Permeability, High pH Uranium Mine Tailings: Characterization and Potential Effects

Bondici, V.; Lawrence, J.R.; Khan, N.H.; Hill, J.; Yergeau, E.; Wolfaardt, G.M.; Warner, J. and Korber, D.R. (2013). Microbial communities in low permeability, high pH uranium mine tailings: Characterization and potential effects. Journal of Applied Microbiology 114(6), 1-16. 10.1111/jam.12180

Arsenic and Iron Speciation in Uranium Mine Tailings Using X-Ray Absorption Spectroscopy

Essilfie-Dughan, J.; Hendry, J.; Warner, J. and Kotzer, T. (2013). Arsenic and iron speciation in uranium mine tailings using x-ray absorption spectroscopy. Applied Geochemistry 28, 11-18. 10.1016/j.apgeochem.2012.10.022

Microscale Mineralogical Characterization of As, Fe, and Ni in Uranium Mine Tailings

Essilfie-Dughan, J.; Hendry, J.; Warner, J. and Kotzer, T. (2012). Microscale mineralogical characterization of As, Fe, and Ni in uranium mine tailings. Geochimica et Cosmochimica Acta 96, 336-352. 10.1016/j.gca.2012.08.005

Multiple Scattering Debye-Waller Factors for Arsenate

Kim, E.; Chen, N.; Arthur, Z.; Warner, J.; Demopoulos, G.P.; Rowson, J.W. and Jiang, D. (2012). Multiple scattering Debye-Waller factors for arsenate. Journal of Physics Conference Series 430(1). 10.1088/1742-6596/430/1/012086

Solubility Controls of Arsenic, Nickel, and Iron in Uranium Mine Tailings

Essilfie-Dughan, J.; Hendry, J.; Warner, J. and Kotzer, T. (2011). Solubility controls of arsenic, nickel, and iron in uranium mine tailings. The New Uranium Mining Boom: Challenge and Lessons Learned, 325-334. 

EXAFS Characterization of Poorly Crystalline Ferric Arsenate Undergoing Transformation to Scorodite

Chen, N.; Le Berre, J.F.; Warner, J.; Cutler, J.; Jiang, D.T.; Rowson, J.W. and Demopoulos, G.P. (2008). EXAFS characterization of poorly crystalline ferric arsenate undergoing transformation to scorodite. Geochimica et Cosmochimica Acta Supplement 72(12).