Invited speaker at "Emerging Topics in Computing Symposium" in conjunction with CSE 50th anniversary of SUNY at Buffalo, September, 2017, "Balanced k-Center Clustering When k is a Constant".
Invited speaker in Simons Institute of the Theory and Computing, UC Berkeley, June 2017, "Protein Mover's Distance: A Geometric Approach for Global Alignment of PPI Networks".
Seminar Talk (invited speaker) in SUNY at Buffalo (April 2017) and Nanjing University (May 2017), "Novel Geometric Techniques for Reducing Communication Cost in Distributed Data Analysis".
Invited for One Hour Featured Talk in Simons Center, SUNY Stony Brook, April 2017, "Simplex Lemma And The Applications in Data Analysis".
Seminar Talk (invited speaker) in University of Notre Dame, August 2016, "Geometry Meets Big Data: from Theory to Practice".
Seminar Talk (invited speaker) in Nanjing University (April 2015), Tsinghua University (September 2015), Zhongshan University (July 2016), "Novel Geometric Algorithms for Machine Learning Problems".
China Theory Week (invited speaker), Beijing, China, September 2014, "Sub-linear Time Hybrid Approximations for Least Trimmed Squares Estimator and Related Problems".