Professional activities

Session Organizer in Conferences

1. Chair, Minisymposium on “Recent Advances in Structured Non-Smooth Optimization” (virtual), SIAM Conference on Optimization 2021 (OP21), Jul. 20–23, 2021.

Invited Talks

1. “Sampling minibatches in SGD – A DPP based approach via Orthogonal Polynomials”, 10th International Congress on Industrial and Applied Mathematics, Tokyo, Japan, Aug. 20–25, 2023.
2. “Sampling minibatches in SGD – A DPP based approach via Orthogonal Polynomials”, Workshop on Optimization in the Big Data Era, Singapore, Dec. 05–16, 2022.
3. “Signal analysis via the stochastic geometry of spectrogram level sets”, Workshop on Determinantal and Permanental Point Processes, Quantum Physics, and Signal Processing, Lyon, France, May. 30–Jun 10, 2022.
4. “Estimation of sparse Gaussian graphical models with hidden clustering structure” (virtual), SIAM Conference on Optimization 2021 (OP21), Jul. 20–23, 2021.
5. “Adaptive sieving with PPDNA: Generating solution paths of exclusive lasso models” (virtual), Forum on Operations Research and Information 2020, Beijing, China, Nov. 23–26, 2020.
6. “Efficient sparse semismooth Newton methods for the clustered lasso problem”, Workshop on Matrix Optimization 2019, Beijing, China, Nov. 29–30, 2019.
7. “A dual Newton based preconditioned proximal point algorithm for exclusive lasso models”, The Sixth International Conference on Continuous Optimization, Berlin, Germany, Aug. 3–8, 2019.
8. “Efficient sparse semismooth Newton methods for the clustered lasso problem “, International Symposium on Mathematical Programming 2018, Bordeaux, France, Jul. 1–6, 2018.

Consulting project

1. Tokopedia, Jan. 2022–Oct. 2023.