He has worked on hydrologic and hydrogeologic modeling projects spanning a wide range of schedules and budgets, of multiple spatial and temporal scales, complex geological settings, diverse climatic conditions, unique water/contaminant management issues and challenging numerical conditions.

Sorab has provided leadership, mentorship, training and guidance on projects for client and staff; executed and managed modeling projects for various industries and government agencies; managed regulator and stakeholder modeling committees; provided expert-witness services; participated in expert panels; conducted workshops and webinars on water resource and subsurface contaminant transport modeling; and maintained effective communication with regulators and clients.

Sorab has developed several of the industry’s state-of-the-art water resource modeling codes and is the lead author on MODFLOW-USG, an unstructured-grid version of MODFLOW released by the USGS. He was awarded the M. King Hubbert Award by the National Ground Water Association in 2015 and was inducted into the National Academy of Engineering in 2017.