"An enhanced abundance of bright galaxies in protocluster candidates at z∼3–5", First Structures in the Universe 2024, 24–28 June 2024, Paris, France (invited)
"A systematic search for protoclusters at z∼3–5 by an optical wide-field survey", Galaxy Evolution with the ESA EUCLID Mission and ESO Telescopes, 25–28 October 2022, Madrid, Spain
"Follow-up Spectroscopy of Protocluster Candidates at z∼4 Selected by the Subaru/HSC survey", Protoclusters: Galaxies in Confinement, 31 August – 4 September 2020, online (invited)
"A systematic search for protoclusters based on Subaru/HSC survey", Panchromatic Panoramic Studies of Galaxy Clusters: from HSC to PFS and ULTIMATE, 11–13 March 2019, Taipei, Taiwan (invited)
"Systematic Study of Protoclusters Based on Wide-field Survey", FAPESP-JSPS Workshop – Dark Energy, Dark Matter and Galaxies, 18–20 February 2019, São Paulo, Brazil (oral)
"A systematic search for protoclusters at z∼4 based on the >100deg² area", XXXth General Assembly of the IAU, 24–27 August 2018, Vienna, Austria (oral)
"A Systematic Search of Protoclusters at z∼4 Based on the >100 deg² Area", Tokyo Spring Cosmic Ly-Alpha Workshop, 26–30 March 2018, Tokyo, Japan (poster)
"Protoclusters at z∼6 Probed by Wide-field Imaging", Back at the Edge of the Universe, 15–19 March 2015, Sintra, Portugal (oral)
"the First Site of Cluster Formation: Complete Spectroscopy of a Protocluster at z=6", IAU Symposium 308 The Zeldovich Universe: Genesis and Growth of the Cosmic Web, 23–28 June 2014, Tallinn, Estonia (poster)
"High Redshift Protoclusters Probed by Wide-field Imaging", Seminar of astronomy in the national observatory of Brazil, 23 January 2014, Rio de Janeiro, Brazil (oral)
"Search for protoclusters at z∼6", Galaxy Evolution Over Five Decades, 3–6 September 2013, Cambridge, UK (oral)
"A Primitive Clustering Structure Probed by Wide-field Imaging", Growing-up at high redshift: from proto-clusters to galaxy clusters, 10–13 September 2012, Madrid, Spain (poster)
"Discovery of a protocluster at z∼6", XXVIIIth General Assembly of the IAU, 20–24 August 2012, Beijing, China (poster)
"Discovery of a protocluster at z∼6", First Stars IV – From Hayashi to the Future –, 21–25 May 2012, Kyoto, Japan (poster)