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T.N. Sriram

Blurred image of the arch used as background for stylistic purposes.
Academic Ranks and Administrative Positions:
Work Experience
  • Professor & Head, University of Georgia, July 2018-Present 
  • Professor & Interim Head, University of Georgia, 2016 - June 2018 
  • Associate Head,University of Georgia, 2000 - 2002 & 2004 - 2006. 
  • Graduate Advisor, University of Georgia, 2000 - 2002. 
  • Professor,University of Georgia,1999 - Present. 
  • Associate Professor,University of Georgia,1992-1999.
  • Graduate Coordinator,University of Georgia,1994 - 1996 
  • Visiting Assoc. Professor, Univ. North Carolina At Chapel Hill, Fall 1992.
  • Assistant Professor, University of Georgia, 1987 - 1992. 
  • Visiting Assistant Professor, Purdue University,1986 - 1987
Research Awards:
  • Abraham Wald Prize in Sequential Analysis, 2015. This is the highest national/international award in the area of Sequential Analysis. Sriram and Iaci’s Editor invited paper ”Sequential Estimation for Time Series Models” was unanimously voted the best published paper among all papers published in the international journal Sequential Analysis in 2014. This award was presented during the 2015 International Workshop in Sequential Analysis held in Columbia University, where Professor Abraham Wald was a faculty.
  • Fellow of The American Statistical Association, 2009. Citation: “For excellence in research with outstanding contributions to sequential estimation and bootstrap methods for time series and branching processes, and substantive contributions to robustness and dimension reduction; and for excellence in teaching, advising, administration and service to the field.”
Teaching Awards:
  • SAS Analytics Shootout Competition, 2015. Faculty advisor for the graduate student team that placed first in the 2015 SAS Analytics Shootout Competition. Team Members Were: Fei Liu (Captain), Lina Liao, and Wenbo Wu.

  • Special Sandy Beaver Teaching Award, 2004,UGA, given in recognition of “Excellence inTeaching.”This Award Honors Outstanding faculty in the university, who have shown dedication and sustained commitment to high-quality instruction.

  • Ph.D., Michigan State University, Michigan, August 1986
  • M.S., University of Pune, India, May 1981
  • B.S., Madras Christian College, August 1979
Research Interests:
  • Sequential estimation
  • branching processes
  • bootstrap
  • adaptive designs
  • linear and nonlinear time series
  • robust estimation in mixture models
  • dimension reduction in time series
  • Sub-sampling in big data & many more
Recent Research Articles
  1. Massaru da Silva, M.*, Sriram, T. N., and Ke, Y. (2023). Dimension Reduction in Time Series Under the Presence of Conditional Heteroscedasticity. Computational Statistics and Data Analysis,180, April 2023. PDF paper; 22 pages..


  2. Wu, S., Fang, L., Zhang, J., Sriram, T. N., Coshatt, S, , Zahiri, F., Mantooth, A., Ye, J., Zhong, W., Ma, P., and Song, W. (2023). Unsupervised Anomaly Detection and Diagnosis in Power Electronic Networks: Informative Leverage and Multivariate Functional Clustering Approaches. IEEE Transactions on Smart Grid, PDF paper; 12 pages.


  3. Iaci, R.* and Sriram, T. N. (2023). Robust Recovery of the Central Subspace for Regression Using the Infuence Function of the Renyi Divergence. Accepted in Statistica Sinica, PDF paper: 37 pages & Supplemental Materials: 18 pages.


  4. Xie, R.*, Sriram, T. N., Wu, W., and Ma, P. (2024). Online Sequential Lever-aging Sampling Method for Streaming Autoregressive Time Series With Application to Seismic Data. Resubmitted to The Annals of Applied Statistics, PDF Paper; 47 pages.


Research Grants:
  • PI, National Science Foundation-DMS, Research Grant, 2013-2017 (with one-year no-cost extension).
  • PI, National Security Agency, Research Grant, 2011-2013.
  • PI, National Security Agency, Research Grant, 2008-2010.
  • PI, Coca-Cola Center for Marketing Studies, UGA, Research Grant, 2004-2006.
  • Co-PI, National Science Foundation-SES-MMS (with PI, Gauri S. Datta), Research Grant, 2003-2007 (with one-year no-cost extension).
  • PI, National Security Agency, Research Grant, 1999-2002.
  • Co-PI, National Science Foundation SCREMS Grant (with Lynne Billard and Somnath Datta), 1995-1997.


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