George Mason UniversitySchool of Business

Faculty Expertise

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ussell Abratt

Russell Abratt
Retail Specific Expertise: Branding, Corporate Identity, and Franchising

Russell Abratt is a Professor of Marketing in the School of Business at George Mason University. He holds a MBA and Ph.D from the University of Pretoria in South Africa. Before entering the academic world, he worked in retailing for the Foschini group in South Africa in store operations. He has taught retail management courses at both undergraduate and graduate levels. His research interests are in branding, corporate identity and reputation. Russell has published retailing related research in the Journal of Retailing and Consumer Services, Journal of Services Marketing, Journal of Marketing Management, Journal of Product and Brand Management, and the International Journal of Business and Emerging Markets.

Mehmet Altug

Mehmet Altug
Retail Specific Expertise: Pricing Analytics, Revenue Management, Consumer Returns

Mehmet Altug is an Associate Professor of Information Systems and Operations Management at the School of Business. Prior to joining George Mason University, he was a faculty member of the decision sciences department at the George Washington University's School of Business. He received his PhD in Operations Management from Columbia Business School.

Altug’s research interests are in the area of pricing and revenue management, retail operations, supply chain management, and the interface of operations and marketing. His has published research in Manufacturing and Service Operations Management, Production and Operations Management, California Management Review, International Journal of Production Economics, and Journal of Revenue and Pricing Management. He is a member of the editorial board for the Journal of Production and Operations Management. Prior to academia, Altug worked at high-tech business unit of i2 Technologies as a supply chain consultant, solution architect and a project lead.

Ioannis Bellos<

Ioannis Bellos
Retail Specific Expertise: Service Operations, Sustainability, and Innovative Business Models

Dr. Ioannis (Yannis) Bellos is an Associate Professor in the Information Systems and Operations Management area at the George Mason University School of Business. His research interests are at the intersection of sustainable and service operations with an emphasis on innovative business models shaping what is known as the sharing and access economy. His work has appeared in book chapters and leading academic journals.

Bellos teaches Operations Management at the undergraduate, graduate, and executive level. In addition to the George Mason University School of Business, he has taught at the Georgia Tech Scheler College of Business and the Cambridge Judge Business School. He has organized mini-conferences, workshops, conference tracks and student paper competitions on sustainable operations.

Bellos received his Ph.D. in Operations Management from the Scheller College of Business at Georgia Tech and holds a Diploma (M.Sc. Equiv.) in Mechanical Engineering from the Aristotle University of Thessaloniki, Greece.

Jessica HoppnerJessica Hoppner
Retail Specific Expertise: Customer Relations, Customer Experience, and Customer Loyalty

Jessica Hoppner is Associate Professor in the Marketing at the School of Business. Hoppner received her PhD in Marketing from Michigan State University.

Hoppner's research focuses on examining issues in marketing strategy that have significant implications for marketing managers. In particular, her research examines the governance of inter- and intra- marketing relationships, international marketing, and marketing strategy decision-making. She has published research in the Journal of Marketing Research, Academy of Management Journal, Journal of Retailing, European Journal of Marketing, International Marketing Review, and Journal of International Marketing.

Mahesh P. JoshiMaheshkumar Joshi
Retail Specific Expertise: Start-up Strategy, Growth Strategy, and Retail Strategy

Maheshkumar (Mahesh) Joshi is an academic, an entrepreneur and a consultant. He was the founding Director of the Center for Innovation and Entrepreneurship at the School of Business, George Mason University. Currently he is an Associate Professor of Global Strategy and Entrepreneurship, the School of Business, George Mason University. He is also the President of Joshi International, Inc., a consulting firm that provides strategic and entrepreneurial advice to clients. As an entrepreneur, he launched his first business in 1994, and since then has been involved in more than 10 startups one of them focused on online jewelry business.

Recently he received a patent for “BiggieBills,” an interactive board game for teaching strategic thinking and business management. Mahesh has a wide variety of research and teaching interests, including: Innovation and Entrepreneurship; Strategic Management; Innovations and Technology Management, Strategies of Service firms, Global Strategies, Managing Change, Business Model Analysis, and Interdisciplinary Capstone Projects. Mahesh has successfully focused on Executive Education & Training and he has been actively providing a variety of training courses through Joshi International, Inc., as well as George Mason University. He has won teaching awards for “Excellence in Teaching” with respect to executive MBA students. In 2015, 25 blind managers through National industries for Blind (NIB) presented a teaching excellence inscription to Dr. Joshi that read: “To a Teacher Committed to Carving and Shaping our Business Minds.” He has published several peer-reviewed publications (30+) and 11 of these publications are listed as A/A* (ABDC journal list) including Strategic Management Journal, Journal of Operations Management, Decision Sciences Journal, Technological Forecasting & Social Change, and Long Range Planning. He is actively involved in outreach for the School of Business, George Mason University; and has been awarded the “School of Business Service Award” seven separate times, capturing his ability to connect with the local business community.

Tarun Kushwaha

Tarun Kushwaha
Retail Specific Expertise: Digital Transformation, AI & Automation, and Customer Relationship Management (CRM)

Tarun Kushwaha is a Professor of Marketing at the School of Business. He is an empirical marketing strategy researcher who pursues issues at both firm and consumer level. He works in the area of retailing, digital transformation, AI & automation, customer relationship management (CRM), and marketing-operations interface. His research speaks to the important changes happening in the consumer retail, financial services, automotive, and high-technology industries. He employs econometric analyses of secondary, panel, and transaction data; event analysis; time-series tools (Filters, ARDL, and VARX); or natural/field experiment for hypotheses testing.

His research has been published in Management Science, Journal of Marketing Research, Journal of Marketing, Manufacturing and Service Operations Management, Production and Operations Management, Journal of International Business Studies, Journal of Retailing, and International Journal of Research in Marketing among others. He serves on the editorial board of the Journal of Marketing and Journal of Interactive Marketing. He has received research funding from various entities, such as Obama-Singh Grant, CIBER Grants, FQRSC Grant, Marketing Science Institute, and DMEF Foundation. In addition, he has worked on research partnerships with several Fortune 500 firms.

He received his Ph.D. and M.S. in Marketing from Texas A&M University. Prior to George Mason University, he held a tenured faculty position at Kenan-Flagler Business School at the University of North Carolina and worked in advertising and media planning industry.

Saurabh MishraSaurabh Mishra
Retail Specific Expertise: Retail Analytics, Franchising, and Retail Bankruptcy

Saurabh Mishra is Associate Professor of Marketing at the School of Business. Prior to joining George Mason University in 2018, he was an Associate Professor of Marketing and Desautels Faculty Scholar at McGill University in Canada. He received his PhD in Marketing from Indiana University.

Mishra’s research focuses on examining issues in marketing that are important for managers and have strong implications for marketing theory and practice. Specifically, he focuses on interdisciplinary themes that are at the interface of marketing, operations management, and finance. He also has expertise in areas of relevance for social welfare and policymaking, particularly corporate social responsibility and healthcare. He has published research in the Journal of Marketing, Marketing Science, Journal of Operations Management, Journal of the Academy of Marketing Science, Marketing Letters, and Journal of Business Ethics. He currently serves on the editorial review board of the Journal of Academy of Marketing Science and Journal of Business Ethics. Prior to joining academia, Mishra worked in the marketing strategy division of FTI Consulting Inc.

Nirup MenonNirup Menon
Retail Specific Expertise: Security, Privacy, and Online Customer Acquisition & Satisfaction

Nirup Menon is Professor of Information Systems and Operations Management  at the School of Business. He joined George Mason University after teaching at the University of Texas at Dallas, Texas Tech University, and Instituto de Empresa Business School in Madrid, Spain. He received his PhD in MIS from the University of Arizona.

Menon has published a book on the impact of information technology on hospitals, and has coauthored articles in several peer-reviewed academic journals such as Management Science, MIS Quarterly, Information Systems Research, Journal of Management Information Systems, and Journal of Association of Information Systems, among others. He is currently an associate editor at MIS Quarterly and held an associate editor position at Information Systems Research from 2003-2006.

Prior to joining academia, Menon worked as a programmer analyst at HMT Limited and as a marketing intern at Weyerhauser Company.

Jingyuan YangJingyuan Yang
Retail Specific Expertise: Data Mining and Machine Learning

Jingyuan Yang is currently a tenure-track assistant professor at Information Systems and Operations Management area in the School of Business at the George Mason University. She received her PhD in Information Technology from Rutgers Business School at Rutgers, The State University of New Jersey in 2018. Her primary research interests include data mining, big data, machine learning, recommender systems, social networking, target marketing, talent analytics, and business analytics. Her research has been published in top venues of knowledge discovery and data mining, including IEEE Transactions on Knowledge and Data Engineering and ACM SIGKDD International Conference on Knowledge Discovery and Data Mining.