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Ramnath K Chellappa - Emory University, Goizueta Business School. Atlanta, GA, US

Ramnath K Chellappa

Professor of Information Systems & Operations Management; Associate Dean & Academic Director, MS in Business Analytics | Emory University, Goizueta Business School






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Dr. Ramnath K. Chellappa is Associate Dean and Academic Director of the Master of Science in Business Analytics program. He is also the Goizueta Foundation Term Professor of Information Systems & Operations Management at the Goizueta Business School, Emory University. He was previously a Caldwell Research Fellow at Goizueta, Emory and SRITNE Distinguished Academic Fellow and Visiting Professor at the Indian School of Business, Hyderabad. Prior to joining Emory University, Prof. Chellappa served on the faculty of Marshall School of Business, University of Southern California from and was the founding director of the Electronic Economy Research Lab (eBizLab) at USC.

Prof. Chellappa's expertise is in the fields of electronic markets, pricing, digital goods piracy and economics of information security and privacy. His research in these areas has been widely published/presented in leading journals and conferences. His work on information privacy, research on music digitization and study of software pricing have received best paper awards in premier conferences. His research methods include analytical modeling, empirical modeling and social network analysis.

He also serves/has served on the editorial boards of Information Systems Research and MIS Quarterly. He is currently the president of INFORMS Information Systems Society.

Prof. Chellappa also works closely with the industry on the managerial aspects of information technology driven issues. He frequently serves as a litigation expert (expert witness) on a number of technology related cases, and also consults for the entertainment industry, particularly on digitization of media. Prof. Chellappa is often quoted in the popular media on information privacy and security related issues.

Prof. Chellappa has taught courses at the undergraduate, MBA, MS and PhD levels in the areas of information systems, operations management, economics and analytics. He has also designed and taught courses for executive education including in the Medical Management Program at USC. At Emory, he teaches in the MBA, MS and PhD programs. He has received several teaching awards including the school-wide Adler Teaching Prize and the university-wide Provost Distinguished Teaching Award for Excellence in Graduate and Professional Education.

He received his PhD from the McCombs School of Business at the University of Texas in Austin where his work provided the first scholarly definition of the term "Cloud Computing".

Education (3)

The University of Texas at Austin, McCombs School of Business: PhD, Management

The University of Texas at Austin, Cockrell School of Engineering: MS (course work), Petroleum Engineering

Indian Institute of Technology (BHU), Varanasi: BTech, Mining Engineering

Areas of Expertise (7)


Digital Product Pricing and Piracy

Economics of Privacy

Electronic Markets and US Airline Pricing

Management of Information Security and Privacy

Competitive Dynamics in Software and High-tech Industries

Business Analytics

Publications (5)

Price formats as a source of price dispersion: A study of online and offline prices in the domestic US airline markets

Information Systems Research

2011 A large body of research in economics, information systems, and marketing has sought to understand sources of price dispersion. Previous empirical work has mainly offered consumer-and/or product-based explanations for this phenomenon. In contrast, our ...

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Mechanism design for “free” but “no free disposal” services: The economics of personalization under privacy concerns

Management Science

2010 Online personalization services belong to a class of economic goods with a “no free disposal” (NFD) property where consumers do not always prefer more services to less because of the privacy concerns. These concerns arise from the revelation of information ...

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Alliances, rivalry, and firm performance in enterprise systems software markets: A social network approach

Information Systems Research

2010 Enterprise systems software (ESS) is a multibillion dollar industry that produces systems components to support a variety of business functions for a widerange of vertical industry segments. Even if it forms the core of an organization's information systems (IS) ...

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Consumers' trust in electronic commerce transactions: The role of perceived privacy and perceived security

Emory University

2008 Consumers' trust in their online transactions is vital for the sustained progress and development of electronic commerce. Our paper proposes that in addition to known factors of trust such a vendor's reputation, consumers' perception of privacy and security influence ...

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An economic model of privacy: A property rights approach to regulatory choices for online personalization

Journal of Management Information Systems

2007 Advances in information-acquisition technologies and the increasing strategic importance of this information have created a market for consumers' personal and preference information. Behavioral research suggests that consumers engage in a privacy calculus where they ...

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Research Spotlight

In the News (10)

After Colonial Pipeline shutdown, hacker group 'Darkside is just getting started,' experts say

FOX Business  online


Goizueta Business School Associate Dean Ramnath Chellappa said Darkside is fairly new but highly sophisticated. "It is believed that Darkside does a great job of actually figuring out who the competitors are so they actually know what the next steps to follow if the ransom is not paid," Chellappa said.

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Fears of gas shortages lead to long lines at pumps, rising prices after cyberattack targets pipeline

News Nation  tv


Officials say they’re taking steps to stave off potential gas shortages as the shutdown of the largest U.S. fuel pipeline entered into its fifth day Tuesday, as drivers across the country flock to gas stations.

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Microsoft email data breach

FOX5 Atlanta  tv


"Professor Ram Chellappa, an Information systems cybersecurity expert at Emory says the Outlook breach isn’t likely in your office."

FOX5 Atlanta

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Gigabit services taking root, prices dropping

The Atlanta Journal-Constitution  online


Gigabit options are spreading across metro Atlanta, though where and when consumers can get their hands on the faster speeds is still spotty.

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Delta power outage exposes tech weaknesses

Mercury News  online


Such incidents show that computer and power systems for huge operations like airlines are as important as physical infrastructure that need to be constantly upgraded and maintained.

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SRITNE Distinguished Academic Fellow

AJC  online


“With the Internet of Things, everything is going to be connected and generating data, downloading data and talking back to data,” said Ramnath Chellappa, a specialist in information systems at Emory University’s Goizueta Business School...

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A potted history of cloud computing

The Register  online


The first known academic usage and definition of the term Cloud Computing seems to be by Prof. Ramnath Chellappa of Emory University and University of Southern California, in a talk titled Intermediaries in Cloud-Computing, presented at the INFORMS meeting in Dallas in 1997. His definition? A “computing paradigm where the boundaries of computing will be determined by economic rationale rather than technical limits alone.” This is a key foundational concept for cloud computing...

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The Beginner's Guide to the Cloud

Mashable  online


Professor Ramnath Chellappa was the first to use the term "cloud computing" in 1997, and in 1999, Salesforce became the first site to deliver applications and software over the Internet...

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The History and Future of Cloud Computing

Forbes  online


Flash forward to 1997, when the term “cloud computing” was first used by information systems professor Ramnath Chellappa...

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History of Cloud Computing

Cloud Tweaks  online


The first time the term was used in its current context was in a 1997 lecture by Ramnath Chellappa where he defined it as a new “computing paradigm where the boundaries of computing will be determined by economic rationale rather than technical limits alone.”...

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