• Invited talk On A Weighted Singular Value Thresholding Problem, in special session "New Trends in Optimization Methods and Machine Learning--I and II" at the International Conference on Continuous Optimization 2019, Berlin, Germany, August 2019. 
• Invited talk A Nonconvex Projection Method for Robust PCA, in special session "Stochastic Optimization Methods and Approximation Theory in Machine Learning I and II" at 2018 INFORMS Annual Meeting, Phoenix, Arizona, November 2018. 
• Invited talk at Minisymposiam COMPUTATIONAL METHODS FOR LARGE-SCALE MACHINE LEARNING IN IMAGING, at SIAM Conference on Imaging Science, Bologna, Italy, June 2018. [Link]
• Invited talk "Online and Batch Supervised Background Estimation via L1 Regression" at KAUST workshop on Optimization and Big Data, KAUST, Saudi Arabia, February 2018. [Link]
• Oral presentation "A Batch-Incremental Video Background Estimation Model using Weighted Low-Rank Approximation of Matrices" at ICCV-Robust Subspace Learning workshop, Venice, Italy, October 2017 (joint work with Prof. Xin Li of UCF and Prof. Peter Richtárik of KAUST and University of Edinburgh).
• Oral presentation "Weighted Low Rank Approximation for Background Estimation Problems" at ICCV-Robust Subspace Learning workshop, Venice, Italy, October 2017 (joint work with Prof. Xin Li of UCF).
• Invited talk at American Mathematical Society’s Sectional Meeting, Orlando, Florida, September 2017 (joint work with Prof. Xin Li of UCF and Prof. Peter Richtárik of KAUST and University of Edinburgh).
• Joint work with Prof. Xin Li for poster presentation "A Fast Algorithm for a Special Weighted Low Rank Approximation" at 15th IAPR International Conference on Machine Vision Applications, Nagoya, Japan, May 2017.
• Invited talk "A problem of weighted low-rank approximation of matrices and its applications in machine learning" at American Mathematical Society’s annual meeting at Atlanta, Georgia, January 2017.
• Joint work with Prof. Xin Li for his invited talk "On the asymptotic behavior of the solutions to the general weighted low-rank approximation as one block of the weights approach to infinity", at American Mathematical Society’s annual meeting at Atlanta, Georgia, January 2017. 
• Selected for poster presentation, Conference on Distributed and Parallel Data Analysis, The Statistical and Applied Mathematical Sciences Institute (SAMSI), September 2016. 
• Selected for poster presentation, The Statistical and Applied Mathematical Sciences Institute (SAMSI) Optimization Summer School, August 2016.
• Final presentation on "Sparse recovery using quantum annealing", in Math Modeling in Industry workshop for graduate students XIX organized by Institute for Mathematics and its Application (IMA), Minnesota, August 2015. [Presentation]
• Poster presentation, Graduate Research Forum, at UCF, March 2015.
• Invited talk "An extension of a result of Golub, Hoffman and Stewart" at American Mathematical Society’s annual meeting at San Antonio, Texas, January 2015.
• Joint work with Prof. Xin Li for his invited talk "Weighted low-rank matrix approximation: a new algorithm based on optimization" at American Mathematical Society’s annual meeting at San Antonio, Texas, January 2015.
• Final presentation on "Efficient and robust solution strategies for saddle-point systems", in Math Modeling in Industry workshop for graduate students XVIII at University of British Columbia, Vancouver, organized by Institute for Mathematics and its Application (IMA), August 2014. 
• Talk on "Progress on low-rank matrix approximation" in International Conference on Mathematics and Computing (ICMC 2013), jointly organized by Defense Research and Development Organization of India (DRDO), Indian Institute of Technology KGP, and HIT, December 2013.
• Talk on "A numerical method for weighted low-rank matrix approximation" in 79th annual conference of Indian Mathematically Society (IMS), December 2013.
• Colloquium talk "Weighted low-rank matrix approximation", Invited speaker at Tennessee Technological University, October 2013.