Post-doctoral scholar

Ran was born in Shandong Province, China in 1989. He attended Nankai University located in Tianjin where he earned a B. S. in Mathematics and earned a PhD in Computational Mathematics in Chinese Academy of Sciences located in Beijing. He joined the Billinge Group and Du's CM3 group in fall 2017 and is currently working on pair distribution functions analysis and nanostructure inverse problem. In his spare time, he likes to play bridge.

Education & Employment

Nankai University

assistant professor

 Nankai, China, 2020 - present

Columbia University

post-doctoral scholar

 New York, NY, 2017 - 2020

Chinese Academy of Sciences

PhD in Computational Mathematics

 Tianjin, China, 2012 - 2017

Nankai University

 Nankai, China, 2008 - 2012


  1. Chia-Hao Liu, Christopher J. Wright, Ran Gu, Sasaank Bandi, Allison Wustrow, Paul K. Todd, Daniel O'Nolan, Michelle L. Beauvais, James R. Neilson, Peter J. Chupas, Karena W. Chapman, and Simon J. L. Billinge. "Validation of non-negative matrix factorization for rapid assessment of large sets of atomic pair-distribution function (PDF) data". J. Appl. Crystallogr. . 54 p. 768-775 May 2021 download doi
  2. Ran Gu, Qiang Du, and Simon J. L. Billinge. "A fast two-stage algorithm for non-negative matrix factorization in streaming data". IEEE Trans. Signal Process. . Jan 2021 download doi
  3. Gu, Ran, Banerjee, Soham, Du, Qiang, and Billinge, Simon J. L.. "Algorithm for distance list extraction from pair distribution functions". Acta Crystallogr. A . 75 p. 658-668 Aug 2019 download doi