Research Group

Current Research Group


Hang Dong – Ph.D. Candidate (MS 2014; Expect 2019), Arup SenGupta Co-Advisor

Kewei Gao –Ph.D. Candidate (Expected 2020), Muhannad Suleiman Co-Advisor

Julie Goldberg – B.S. Environmental Engineering (Expected 2021)

Jinbo Gu – Ph.D. Candidate. Civil Engineering (Expected 2020), Muhannad Suleiman Co-Advisor

Julia Pietruszka – B.S. Environmental Engineering (Expected 2020)

Chelsey Shepsko – Ph.D. Candidate (MS 2015; Expected 2019), Arup SenGupta Co-Advisor

Past Ph.D. Students


Yu Tian – Ph.D., Environmental Engineering (2016). “Improved Stability of Methane-Producing Anaerobic Biological Reactors through Novel use of Ion-Exchange Fibers.”  (Arup SenGupta, Co-Dissertation Supervisor).

Hankai Zhu – Ph.D., Environmental Engineering (2016).  “Impact of the Charge-Regulation Effect on Bacterial Growth and Bioavailability of Sorbed Growth Substrates.”

Hai Lin – Ph.D., Geotechnical Engineering (2016).  “Microbial Modification of Soil for Ground Improvement.” (Co-Dissertation Supervisor with Muhannad Suleiman). Assistant Professor of Geotechnical Engineering at Louisianna State University.

Lynal Albert – Ph.D., Environmental Engineering (2015).  “Effects of surface properties on the charge regulated bioenergetic response of attached bacteria: Exploration within the framework of the chemiosmotic theory.”  Assistant Professor of Environmental Engineering at Tarleton State University (Texas A&M System).

Shweta Tripathi – Ph.D., Environmental Engineering (2008) “Effects of anionic and nonionic surfactant mixtures on bacterial tranport through unsaturated porous media.”  Director of Water Business Strategy,  Enzen Global Solutions, Bangalore, India.

Yongsuk Hong – Ph.D., Environmental Engineering (2008) “Effects of surfaces on bacterial metabolic activity: Examination of a physiochemical/bioenergetic mechanism.”  Associate Professor of Environmental Engineering at Korea University.

Past M.S. Students


  • Jialan Zhu – M.S. Environmental Engineering (2017)
  • Devon Dowd – M.S. Environmental Engineering (2017)
  • Connor Zingale – M.S. Environmental Engineering (2017)
  • Qiqi Chen – M.S. Environmental Engineering (2014)
  • Patrick McGuire – M.S. Environmental Engineering (2014)
  • Ho He – M.S. Environmental Engineering (2013). “Surface properties of nanoparticles”
  • Chong Dai – M.S. Environmental Engineering (2013). “Characterization of cell surface pH utilizing a lipophilic pH-sensitive dye”.
  • Huakan Lu – M.S. Environmental Engineering (2013). “Benchmarking antimicrobial properties of surface-treated activated carbon” (focused on carbon preparation and characterization).
  • Kristen Falotico – M.S. Environmental Engineering (2013). “Benchmarking antimicrobial properties of surface-treated activated carbon” (focused on biological activity).
  • Wujun Xia – M.S. Environmental Engineering (2013). “Quantifying sorptive properties of surface-treated granular activated carbons.”
  • Bingqing Cai – M.S. Environmental Engineering (2013). “Effects of phage on bacterial growth kinetics.”
  • Jin-Cheng Lin – M.S., Environmental Engineering, Ph.D. Candidate. “Stabilization of the anaerobic digestion process.”
  • JiaJie Ma – M.S., Environmental Engineering (2012) “Investigation of bacterial transport through saturated porous media using a 10 meter meso-scale flow system.”
  • Ivy Otieno – M.S., Environmental Engineering (2012) “Development of a bench-scale 2D flow system for investigating bacterial transport in unsaturated porous media.”
  • Kai Ding – M.S., Environmental Engineering (2012) “Initial investigation of the effects of surfaces on bacterial Monod coefficients.”
  • Stephen Abegunde – M.S., Environmental Engineering (2011) “Effects of surfaces on cellular yield.”
  • Nate Medford – M.S., Environmental Engineering (2010) “Development of an anaerobic digestor test apparatus.”
  • Crystal Degree – M.S., Environmental Engineering (2009) “Treatment of Sanitary Waste for Manned Mission to Mars: Feasibility, Concerns and Implementation.”
  • Surapol Padungthon – M.S., Environmental Engineering (2009) Co-Advisor with Dr. James Hsu, Dept. of Chemical Engineering.
  • Thomas Waters – M.S., Environmental Engineering (2008) “Examination of the collision efficiency distribution of different bacterial species.”
  • Jacquelyn Lanzon – M.S., Environmental Engineering (2007) “Simultaneous sorption of surfactant and phenanthrene on the bacterial cell surface and relationship to hemi-micelle formation.”
  • Minna Kim – M.S., Environmental Engineering (2007) “Effects of EDTA on Staphylococcus epidermidis surface properties.”
  • Alon Abramson – M.S., Environmental Engineering (2006) “Collision efficiency distribution of a Sphingomonas sp. flowing through sand columns and implications for field-scale transport.”
  • Khaula S. Al Nuaimi – M.S., Environmental Engineering (2004) “Characterization of nonionic surfactant sorption onto the cell surface of a Sphingomonas sp.”
  • Lovleen Gupta – M.S., Environmental Engineering (2004) “Residual saturation of coal tar in porous media.”
  • Angelina Twumasi-Boakye – M.S., Environmental Engineering (2004) “Surfactant-enhanced remediation of coal tar contaminated soils: Solubility and biodegradation effects.”

Past Post-Doctoral Researchers and Visiting Researchers


  • Robert Kachmar – Visiting Research Scientist
  • Dr. Tae-Hyung Kim – Post-doctoral researcher
  • Theodore Schaffer – Visiting Research Scientist

Past Undergraduate Students


  • Ellen Davis – B.S. Environmental Engineering (2018) 2017-2018
  • Kalin Ogert – B.S. Environmental Engineering (2017) 2016-2017
  • Casey Chang – B.S. Environmental Engineering (2017) 2015-201.  Winner of Claire Booth Research Award
  • Devon Dowd – B.S. Environmental Engineering (2016, *17) 2015-2016.  Presidential Scholar and earned M.S. in Environmental Engineering at Lehigh
  • Connor Zingale – B.S. Environmental Engineering (2016, *17) 2015-2016.  Earned M.S. in Environmental Engineering at Lehigh.
  • Lee Estrella – B.S. Environmental Engineering (2017)
  • Spencer Nush – B.S., Environmental Engineering (2017).
  • Zoe Grossman – B.S., Environmental Engineering (2015)
  • Andrew Leavitt – B.S., Environmental Engineering (2015)
  • Chelsey Shepsko – B.S., Environmental Engineering (2014)
  • Scott Caporizzo – B.S., Environmental Engineering (2013)
  • Lauren Zell – B.S., Environmental Engineering (2012)
  • Sam Miller – B.S., Environmental Engineering (2012)
  • Rachel Nordberg – B.S., Bioengineering (2012)
  • Fatima O’Connor – B.S., Civil Engineering (2012) – 2011 NSF Summer REU Project
  • Andrew Faris – B.S., Environmental Engineering (2012)
  • Zachary Amos – B.S., Environmental Engineering (2011) – 2009 NSF Summer REU Project
  • Leah Kramkowski – B.S., Environmental Engineering (2011)
  • Hannah Mishriki – B.S., Environmental Engineering (2011)
  • Megan Pendleton – B.S., Environmental Engineering (2010)
  • Steve Walsh – B.S., Environmental Engineering (2010) – 2009 NSF Summer REU Project
  • Jackie Hancock – B.S., Environmental Engineering (2009)
  • Elizabeth Johnston – B.S., Environmental Engineering (2009)
  • Mike Rubin – Undergraduate Student (7-year medical program)
  • Christoper Hohman – Undergraduate Student (Bioengineering)
  • Michael Hennessy – B.S., Bioengineering (2008)
  • Thomas Waters – B.S., Civil Engineering (2007)
  • Mike Angus – B.S., Environmental Engineering (2007)
  • Jacquelyn Lanzon – B.S., Environmental Engineering (2006) – 2005 NSF Summer REU Project.  Earned MS in Environmental Engineering at Lehigh.
  • Laurie Brenner – B.S., Environmental Engineering (2006) – 2006 NSF Summer REU Project
  • Eric Kubilus – B.S., Environmental Engineering (2006)
  • Jordan Ratcliff – B.S., Bioengineering (2006)
  • Matthew DiMaggio – B.S., Civil Engineering (2006)
  • Gillian Semmer – B.S., Civil Engineering (2006)
  • Minna Kim – B.S., Civil Engineering (2005) – 2004 NSF Summer REU Project.  Earned MS in Environmental Engineering at Lehigh.
  • Alon Abramson – B.S., Civil Engineering (2005.  Earned MS  in Environmental Engineering at Lehigh.
  • Meredith Burns – B.S., Civil Engineering (2005) – 2003 NSF Summer REU Project