Faculty Details

Photo of Ramayya  Krishnan

Ramayya Krishnan

Dean, H. John Heinz III College and William W. and Ruth F. Cooper Professor of Management Science and Information Systems

Voice: (412) 268-2159
Email: rk2x@cmu.edu


Ramayya Krishnan is the Dean of Heinz College. He holds the John Heinz III Deanship and is the W. W. Cooper and Ruth F. Cooper Professor of Management Science and Information Systems at Carnegie Mellon University. He has a B. Tech in Mechanical Engineering from the Indian Institute of Technology, Madras, a M.S. in Industrial Engineering and Operations Research and a PhD in Management Science and Information Systems from the University of Texas at Austin. He is an International Research Fellow of the International Center for Electronic Commerce in Korea and a Visiting Scientist at the Institute for Information Systems at Humboldt University (Germany). He was a founding faculty member of the Information Systems Management program at the Heinz College.

His current research projects investigate risk management in business process design and in information security, large scale social network analysis and the design of policies that take into account the competing needs of promoting data access and protecting privacy. His ideasLab presentation on data analytics at the World Economic Forum summarizes key ideas from his research program.

Krishnan’s teaching interests lie at the interface of technology, business and policy aspects of internet-enabled systems. He has taught courses on e-business and telecommunications management, and led the creation of a capstone course – digital transformation – that integrates technological and managerial aspects of information technology. He is the recipient of the General Motors (GM) Technical Education Program Outstanding Distance Learning Faculty Award, which honors a professor for demonstrating excellence in distance learning education. He is a recipient of the Martcia Wade Teaching Award and has been the recipient twice of the Teaching Award for the Heinz College’s IT programs. He has taught in numerous executive education programs and is an expert on the use of IT to both create and capture value for organizations.

He has served as Department Editor for Information Systems at Management Science and recently led the search for the new Editor in Chief at Information Systems Research. He is the past president of the INFORMS Information Systems Society and the INFORMS Computing Society. He was named an INFORMS Fellow in 2012.


Selected Publications

Risk Management

  1. C. Goebel, D. Neumann, R. Krishnan (2011), “"Comparing Ingress and Egress Detection to Secure Inter-domain Routing:  An Experimental Analysis”, ACM Transactions on Internet Technology, forthcoming.
  2. Pei-yu Chen, Gaurav Kataria and Ramayya Krishnan (2010). “Correlated Failures, Diversi?cation and Information Security Risk Management”.  MIS Quarterly, forthcoming.
  3. A. Arora, R Krishnan, R Telang, Y Yang (2010) "An Empirical Analysis of Software Vendors’ Patch Release Behavior: Impact of Vulnerability Disclosure", Information Systems Research, Vol. 21, No. 1, pp. 115-132.
  4. R. Krishnan, J. Peters, R. Padman, D. Kaplan, “On Data quality Assessment in Accounting Information Systems, Information Systems Research, Vol. 16, No 3. pp. 307-327, 2005.

Privacy and Confidentiality: Analysis and Techniques

  1. J. Kadane, R. Krishnan, G. Shmueli, A Data Disclosure Policy for Count Data based on the COM-Poisson Distribution, Management Science, Vol. 52, No. 10, pp. 1610-1617, Oct 2006.
  2. V. Jacob, R. Krishnan, Y. Ryu, “Internet Content Filtering using Isotonic Separation on the PICS specification” ACM Transactions on Internet Technology,  Vol. 7, No. 1, Feb 2007.
  3. HweeHwa Pang, Jialie Shen, Ramayya Krishnan (2010), “Privacy-Preserving Similarity-Based Text Retrieval”, ACM Transactions on Internet Technology, Vol. 10, No. 1, Article 4.
  4. S. Roehrig, R. Padman, R. Krishnan, G. Duncan (2011), “Exact and heuristic methods for cell suppression in multi-dimensional linked tables,” Journal of the Operations Research Society, Vo. 62, pp. 291-304.

E-Business and Network Infrastructure

  1. N. Sahoo, R. Krishnan, G. Duncan, J. Callan (2010), “The Halo Effect in Multi-component Ratings and its Implications for Recommender Systems: The Case of Yahoo! Movies”, Information Systems Research, forthcoming.
  2. A. Greenwald, K. Kannan, R. Krishnan (2010), “A Computational Approach to the Comparison of Information Revelation Policies in E-markets“, Information Systems Research, Vol. 21, No. 1, pp. 15-36.
  3. K. Hosanagar, J. Chuang, R. Krishnan, M. Smith (2008), “Service Adoption and Pricing of Content Delivery Network (CDN) Services”, Management Science, Vol. 54, No. 9, pp. 1579-1593.
  4. R. Krishnan (2008), “Grid Economics: A Selective Discussion of Two Research Problems”, Journal of Grid Computing, Vol. 6, no. 3 (2008): 219-224.
  5. A. Arora, Amy Greenwald, K. Kannan, R. Krishnan (2007), “Effect of Information Revelation Policies in E-Marketplaces: A Game-Theoretic Perspective”, Management Science, Vol. 53, No. 8, pp.1234-1248.
  6. K. Hosanagar, R. Krishnan, V. Choudhary, J. Chuang, “Pricing and Resource Allocation in Caching Services with Multiple Levels of QoS”, Management Science, vol. 51, No. 12, Dec 2005..
  7. Asvanund, Atip, Karen Clay, Ramayya Krishnan, Michael Smith (2004), “An Empirical Analysis of Network Externalities in Peer-To-Peer Music Sharing Networks”, Information Systems Research, Vol. 15, No. 2, pp. 155-174..
  8. A. Montgomery, K. Hosanagar, R. Krishnan, K. Clay(2004), “Designing a Better Shopbot,” Management Science, Vol. 50, No. 2, pp. 189-206.
  9. A. Geoffrion, R. Krishnan (2003), “E-Business and Management Science: Mutual Impacts (Part 1 of 2)”, Management Science, Vol. 49, No. 10, pp. 1275-1286.
  10. A. Geoffrion, R. Krishnan (2003), “E-Business and Management Science: Mutual Impacts (Part 1 of 2)”, Management Science, Vol. 49, No. 11, pp. 1445-1456.
  11. K. Clay, R. Krishnan, E. Wolff (2001), “Prices and Price Dispersion on the Web: Evidence from the Online Book Industry,” Journal of Industrial Economics, December 2001, Vol. 49 (4), pp. 521-539.
  12. K. Clay, R. Krishnan, E. Wolff and Danny Fernandes (2001), “Retail Strategies on the Web: Price and Non-Price Competition in the Online Book Industry”, Journal of Industrial Economics.



PhD, Management Science and Information Systems, University of Texas at Austin

Working Papers

Measuring Information Diffusion in an Online Community

Garg, Rajiv; Smith, Michael D and Telang, Rahul. 2011. “Measuring Information Diffusion in an Online Community.” Journal of Management Information Systems 28 (2): 11–38.