Biosolids & Soil Carbon and Nutrient Management Research Under Climate Change


The Lab

Meet my research group at MWRD, staff of diverse individuals with breadth and depth of experience across operations in soil and biosolids research.

Senior Environmental Soil Scientist










Dr. Theresa Johnston

Dr. Olawale Oladeji

Environmental Soil Scientist











Benjamin Morgan

Dr. Essam El-Naggar

Lab Management-Senior Environmental Research Technician








                                                   Shawn Kowalski



Research Support Staff









                   Erik Johnson

                       Environ. Res. Technician



                   Jerzy Klekowicz

Environ. Res. Technician

                  Megan Haessly

Environ. Res. Technician

Research Support Staff










                        Jorge Abreu

Environ. Res. Technician


Daniel Lynch

Pollution contr. Technician II

                       Sasha Powell

Pollution contr. Technician II

Research Support Staff











Mia Liggins

Lab Assistant

Environ. Res. Technician

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