Concordia University

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Meet our co-directors

Thomas Walker

Thomas Walker

Thomas Walker holds an MBA and PhD degree in Finance from Washington State University. He joined Concordia University in 2001. Prior to his academic career, he worked for several years in the European consulting and industrial sector at such firms as Mercedes Benz, Utility Consultants International, Lahmeyer International, Telenet, and KPMG Peat Marwick. He has taught as a visiting professor at the University of Mannheim, the University of Bamberg, the European Business School, and the WHU – Otto Beisheim School of Management.

Dr. Walker has published over thirty articles in peer-reviewed journals and academic books. In addition, his work has been featured in the Harvard Business Review and in Germany's Harvard Business Manager. His current research interests in sustainability focus on sustainable investing, environmental litigation, and green venture capital. In addition, he publishes in the area of corporate governance, risk management, and securities litigation.

Dr. Walker has been the recipient of various distinctions throughout his career. Among other things, he was awarded an Outstanding Teaching Award from Washington State University and a Fellowship for Experienced Researchers from the Alexander von Humboldt Foundation, Germany. His research was listed among the most downloaded papers on Proquest in 2005, the Social Sciences Research Network (SSRN) in 2011, and received an Outstanding Paper Award in the International Journal of Managerial Finance in 2008.

Walker held the Laurentian Bank Professorship in Integrated Risk Management from 2010 to 2015 and served as chair of the Department of Finance from 2011 to 2014. In addition, he served on the steering committee of the Montreal chapter of the Professional Risk Managers’ International Association (PRMIA), on the Standing Committee for Human Resources of the Montreal Finance Cluster (Grappe Finance Montreal), and on Concordia’s Senate Finance Committee. He joined the David O'Brien Centre as interim director in February 2015.


Rahul Ravi

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Rahul Ravi holds an MBA and PhD degree in Finance from the University of Alberta. He joined Concordia University in 2007. His research interests include market microstructure, initial public offerings, corporate governance, corporate social responsibility, and family firms. His work has been published in the Journal of Banking of Finance, Journal of Empirical Finance, and the Financial Management Journal.

Dr. Ravi teaches at the undergraduate and graduate levels (MBA and MSc). He supervises several MSc student theses covering a broad range of topics in finance such as, the anatomy of a socially responsible corporation, the impact of high frequency trading on market efficiency, the impact of dark pools on price discovery in equity markets, and the role of institutional traders around merger rumors.


Our staff

The David O’Brien Centre for Sustainable Enterprise (DOCSE) is supported by dedicated staff members to carry out the vision and advance the goals of the Centre.

Stéfanie Kibsey
Stéfanie Kibsey
Program Coordinator

Stéfanie Kibsey completed her Bachelor of Arts (major in Anthropology, minor in Biology) at McGill University and her Master of Environmental Studies (in Environment and Resource Studies) at the University of Waterloo. She coordinates the Centre’s programs and activities, and is also involved in several ongoing research projects.

Her interests are interdisciplinary and include environmental change, sustainable financial systems, emerging risks (including water stress and cybersecurity threats), and the science-practice-policy interface.

Amr Addas
Amr Addas
Lecturer, Department of Finance, JMSB, Concordia University

Amr Addas holds an MBA from the University of Michigan at Ann Arbor and a BSc in Mechanical Engineering from the American University in Cairo. Amr teaches Sustainable Investing at the graduate and undergraduate levels at JMSB. He is also a member of the Core Faculty for the Sustainable Investment Professional Certificate (SIPC) program. Amr conducts research on a number of ESG related topics for DOCSE. His research interests include, emerging ESG risks, and sustainable financial markets. Amr is a recipient of a grant by La Caisse de dépôt et placement du Québec to conduct research on the impact of stranded assets on firm valuation in the extractive sector and on emerging ESG risks. Amr is also working with Future Earth on the establishment of a Knowledge Action Network to examine the role of sustainable financial systems in preventing, adapting to and mitigating climate change. The objective of this research is to establish a framework for a Sustainable Financial Network. Amr is also engaged in research on Sustainable Real Estate under the mandate established by Samcon to promote research in this area.

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Andrea Kim
PhD candidate

Andrea Kim is a PhD candidate in management at the John Molson School of Business. Her dissertation is investigating how disruptive business models in the sharing economy gain legitimacy. Andrea is also a lecturer at the John Molson School of Business and teaches on the topics of strategy and sustainability. Her research at the Centre focuses on developing and improving sustainable green building certification systems through a project financed by the Sam and Diane Scalia Sustainable Real Estate and Built Environment Program. She also manages the external communications and marketing activities for the Centre.

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Mohammad Bitar
Post-Doctoral fellow

Mohammad Bitar holds a PhD degree in Finance from Grenoble Alps University in France. He is a Post-Doctoral fellow at the David O’Brien Center for Sustainable Enterprise. Dr. Bitar teaches masters level courses in banking regulation and economics at the Faculty of Business Administration and Economics of Lebanese University. He has also taught courses in financial and monetary economics, international banking systems, financial management and analysis, financial diagnostics, investments, financial mathematics, and advanced statistics at Grenoble Alps University.

Dr. Bitar has published several papers in peer-reviewed journals such as the Journal of Business Ethics, Economic Systems, and the Revue d'Économie Financière. His current research interests focus on ethical and alternative financial systems, corporate governance, mergers and acquisitions, and corporate social responsibility. 

In 2016, Dr. Bitar and his co-author received the SAB trophy for sustainable finance.  He is currently working on a joint project financed and sponsored by the Autorité des Marchés Financiers (AMF) of Quebec with Dr. Thomas Walker. The project seeks to develop policy recommendations for optimal banking regulations and monitoring systems in light of natural disasters. 


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