Lab Lead

Saman Razavi

IMPC Manager


Amin Haghnegahdar

Amin is currently the Program Manager for Integrated Modelling Program for Canada (IMPC). He joined Dr. Razavi's research group as a post-doc in Feb. 2015 after finishing his PhD study at the University of Waterloo. He also holds two M.Sc. degrees from Colorado State University, USA and Amirkabir University of Technology, Iran. His main areas of research is Watershed Modelling and Analysis including climate and environment change impact analysis, Land surface-Hydrological Modelling, Sensitivity and Uncertainty Assessment, and Model Calibration/Validation.



Jeff Wong


Jeff holds a PhD in Geographical Sciences from School of Geographical Sciences at the University of Bristol, UK. His research has been focused on flood modelling and uncertainty.


Shervan Gharari

Shervan joined the Global Institute for Water Security under Dr. Razavi's supervision in February 2016. He holds a PhD and a master degree from Delft University of Technology, the Netherlands, and a bachelor degree in civil engineering from Sharif University of Technology, Tehran, Iran. Shervan works on developing techniques to quantify the effect of model structure on model simulations and also internal model relations. Shervan's main research interest can be described simply - 'to understand models'.


Zilefac Elvis Asong

Zilefac Elvis Asong joined the Global Institute for Water Security in June 2012 to pursue a PhD. He holds a BSc. with honours in Physical Geography (2008) from the University of Buea, Cameroon, and a Masters in Water Resources Engineering (2010) from Lund University, Sweden. He worked as a consulting hydrologist at COWI A/S Demark in 2011. His research interests include the impact of climate change on hydrological regimes and water resources; downscaling of AOGCM output; regional flood frequency analysis; seasonal hydrological forecast; drought research; weather generation for water and agricultural applications. He obtained his PhD in December 2015 and received the Best Doctoral Thesis Award in Water Security Research from the GIWS. At present, as a postdoctoral fellow at GIWS, he is contributing to the Canadian Changing Cold Region Network large-scale hydrological modeling team by evaluating the recently released Global Precipitation Measurement estimates over Southern Canada against ground precipitation observations.


Nhu Do

Nhu is a researcher and professional engineer working across the field of water resources planning and management. He holds a PhD and a MSc Degree in Engineering from The University of Adelaide, South Australia. Nhu joins the Global Institute for Water Security as a Postdoctoral Fellow from January 2018. His work involves developing river-basin water management models under deep uncertainty and non-stationarity.

Research Associates:


Hayley Carlson

User Engagement Specialist

Hayley Carlson is the User Engagement Specialist with the Integrated Modelling for Canada’s Major River Basins (IMPC) project. She has a BSc. in Environmental and Conservation Sciences from the University of Alberta with a focus on the human dimensions of environmental management. Her Public Policy Master’s research focused on the stories irrigation farmers, environmental organizations, indigenous groups and industry representatives tell about water in the Saskatchewan River Basin, and how these stories may influence decision-making about water. She has experience working with local stakeholders around water, including the Saskatchewan Ministry of Environment, Agriculture and Agri-Food Canada and the Saskatchewan Environmental Society, a provincial non-profit focused on sustainability. ​

Ph.D. Students:


Fuad Yassin


Fuad Yassin PhD research focuses on large-scale hydrological modeling. He graduated from ETH Zurich with an advanced master’s degree in Sustainable Water Resources. His thesis focused on Blue and Green water availability and climate change impacts on the Blue Nile Basin. He has also completed a MSc. in Hydrology and Water Resource Management (2009) and a BSc. in Hydraulic Engineering (2007) both from Arba Minch University, Ethiopia. Fuad also worked as research associate in the Technical University of Munich.


Razi Sheikholeslami

Razi received his B.Sc. in Civil Engineering, from University of Tabriz in 2011 and got his M.Sc. degree in Hydraulic Structures from Amirkabir University of Technology (Tehran Polytechnic), Iran, in 2013. He joined the Global Institute for Water Security in 2015 to pursue a Ph.D. through the School of Environment and Sustainability. He is extremely interested in the broad area of understanding the main mechanisms that control the stability and resilience of complex systems. He has an active interest in application of the advanced optimization methods, particularly metaheuristics, to difficult real-world problems in a variety of application areas. In addition, he has a strong interest and passion for research in the field of Environmental and Water Resources Systems Modeling.


Leila Eamen

Leila joined the Global Institute for Water Security in September 2017 to pursue a Ph.D. through the School of Environment and Sustainability, University of Saskatchewan. She holds a bachelor degree in Irrigation and Drainage Engineering from the University of Tehran, Tehran, Iran (2001), and a master degree in Water Resources Management from K.N. Toosi University of Technology, Tehran, Iran (2014). Leila has several years of experience in Integrated Water Resources Management (IWRM) and agricultural development projects in some large river basins in Iran. Her main research interests are finding interactions between human-driven activities and natural systems, integrated water resources management and planning, water policy, and Hydro-Economic modelling.


Mohammad Ghoreishi

Mohammad received his M.Sc. from Iran University of Science and Technology in civil engineering-water resources in 2016, and a B.Sc. from University of Science and Culture in civil engineering in 2013. He joined the Global Institute for Water Security in September 2017 to pursue his Ph.D. under supervision of Dr. Razavi at the School of Environment and Sustainability , University of Saskatchewan . His main interest is integrated water management including Socio-Hydrologic Modelling, Hydro-Economic modelling, Agent-Based Modelling.


Mohamed Abdelhamed

Mohamed obtained his Bachelor of Science degree in Civil Engineering from Cairo University, Egypt. He received a Master of Science degree in Irrigation and Hydraulics from the same university. Mohamed joined the Global Institute for Water Security in September, 2017 and works under the supervision of Prof. Howard Wheater and Dr. Saman Razavi. His research interests include large scale hydrological modelling and stochastic hydrology. In Addition, he worked as an assistant lecturer in the Faculty of Engineering of Cairo University.

M.Sc. Students:


Sahar Safaei

Sahar completed her M.Sc in University of Tehran, Iran, doing research on wastewater treatment in 2015. She joined Dr. Razavi's research group at the Global Institute for Water Security in September 2015. Her research focuses on streamflow prediction under climatic and environmental changes.


Syed Mustakim Ali Shah


Mustakim obtained his Bachelor of Science degree in Civil and Environmental Engineering from Shahjalal University of Science and Technology, Bangladesh. He joined the Global Institute for Water Security in January, 2017 and working with Professor Howard Wheater and Dr. Saman Razavi in the Department of Civil, Geological and Environmental Engineering, University of Saskatchewan. His research interests include analysis of hydrologic processes and managing water resources under uncertainty. Before joining GIWS, he worked as a lecturer in the Department of Civil Engineering, Leading University, Bangladesh.


Kasra Keshavarz

Kasra obtained his B.Sc. degree in civil engineering from Iran University of Science and Technology in July 2017. He immediately started his M.Sc. degree in September 2017 at the School of Environment and Sustainability, University of Saskatchewan with the Global Institute for Water Security. Kasra’s major focus is on developing water resource management models, their calibration and studying different meta-heuristic optimization algorithms, in general. He is also very interested in doing his computations using Python programming language.



Abdolreza (Reza) Bahremand

Visiting Professor

Abdolreza Bahremand (Reza), Associate Professor of Gorgan University of Agricultural Sciences and Natural Resources from Iran is a visitor to Saman’s lab for his one year sabbatical. He obtained his PhD from Free University of Brussels in September 2006. His PhD thesis and his researches afterwards have been focused on physics-based spatially distributed hydrological modelling. His opinions on hydrological modelling are expressed in his recent opinion paper (Bahremand, 2016 HESS).


Andrew Slaughter

Visiting Professor

Andrew joined the Global Institute for Water Security in January, 2018, as a Visiting Professor. Under Dr. Razavi's supervision, Andrew will be working within the Global Water Futures (GWF) and Integrated Modelling Program for Canada (IMPC). Andrew obtained a PhD in Water Resources Science in 2011, where his research focused on modelling the link between flow and water quality in rivers in South Africa. Andrew has since contributed to several research projects in southern Africa, including climate change adaptation measures for bulk water suppliers and the development of a water quality decision support system.



Muhammad Rehan Anis


Anis holds a PhD in Hydrology from Helmholtz Centre for Environmental Research Germany. His research interests are impact of climate change on the hydrologic cycle at the basin scale using high resolution hydrological modeling, disaggregation of climate variables and uncertainty analysis. Currently he is working on Water Management of Saskatchewan River Basin at GIWS.


Kuljeet Keshav

(Mitacs intern)

Kuljeet joined Razavi's Watershed Systems Analysis and Modelling Lab as a Mitacs Research Intern for summer 2017. He is a junior undergraduate in the Department of Civil Engineering at Indian Institute of Technology, Banaras Hindu University, India. He is working with Amin on the application of MESH model to the Nelson-Churchill River Basin in Canada for flow prediction and climate change impact study.


Bahareh Esfahbod

Data Visualization Specialist

Bahareh studied Computer Science at Uniersity of Saskatchewan. She joined the Global Institute for Water Security in Spring 2015 as Data Visualization Specialist. She is developing a platform to present the data obtained from models in various software applications.


Ala Bahrami

Ala Bahrami is a visiting scholar to the lab from Université de Sherbrooke, Québec. He has completed his bachelor degree in the field of Geomatics Engineering, from Tabriz University, Tabriz, Iran (2002-2006). He has done his master degree in the field of Remote Sensing from K.N. Toosi University of Technology, Tehran, Iran (2006-2009). Later on September 2014, he has started his Ph.D. studies in Université de Sherbrooke, Québec, Canada, in the field of Physics of Remote Sensing. His main areas of research includes: Earth remote sensing, Global modeling and data assimilation, GRACE satellite data analysis, Satellite-based remote sensing of snow, and Statistical data analysis. During his research study in the lab, he focuses on the assimilation of the Gravity Recovery and Climate Experiment (GRACE) derived terrestrial water storage (TWS) changes into MESH modeling system (Modélisation Environmentale Communautaire – Surface et Hydrologie) in order to improve snow water equivalent (SWE) estimation during snow accumulation season over the Canadian landmass.


Gonzalo Sapriza-Azuri

(co-supervised PDF)

Gonzalo holds a PhD in Geotechnical Engineering & Geosciences form Technical University of Catalonia BarcelonaTech, Spain. His research interests include climate change impacts on the hydrologic cycle at the basin scale, statistical downscaling of precipitation, input uncertainty, multi-objective optimization, Permafrost, hydrometeorology, water resources analysis, Geostatistics, high-resolution distributed hydrologic models, lumped model parameterizations, groundwater models, droughts, groundwater overexploitation, surface water and groundwater interaction, and parameterizations of Land surface models. Immediately after his post-doctoral fellowship (January 2016), Gonzalo accepted a faculty position in Republic University, Uruguay.


Aimeé González Ramos

(Mitacs intern)

Aimeé González Ramos is a fourth-year student in Environmental Sciences at the Autonomous University of Tlaxcala, Mexico. She visited the lab in Summer 2015 under the Mitacs Globalink program and worked on hydrologic data processing and modelling.