Invited conference talks [39]:  
 2025    21cm Cosmology Workshop
2025 & Tianlai Collaboration Meeting, Xi'an, China (Invited Review;
remote talk)  
 2025    High Energy and the Cosmos
(AGASS-Hep-Cosmology Workshop), Ariel University (Keynote Speaker)  
		 2024    Hongo 21cm
		workshop, University of Tokyo, Japan  
		 2023    21 cm
		Cosmology - IFPU (Institute for Fundamental Physics of
		the Universe) Focus Week, Trieste, Italy  
		 2023    URSI
		(International Union of Radio Science) GASS (General
		Assembly and Scientific Symposium) 2023, Sapporo,
		Japan  
		 2023    Neutral
		Hydrogen as a Cosmological Probe Across Cosmic Time (Invited Review),
		Nazareth, Israel  
		 2023    Frontiers
		in Cosmology, RRI, Bangalore, India  
		
		
		 2022    Unsolved
		Problems in Astrophysics and Cosmology 2022,
		Jerusalem, Israel  
		
		 2020    Next-Generation Cosmology
		with Next-Generation Radio Telescopes: II, Sexten Center
		for Astrophysics, Sesto, Italy  
		 2020    International Conference on the Emerging Issues
		in Cosmology and Particle Physics, Visva-Bharati University,
		 India (could not attend)  
		 2019    30th Texas
		Symposium on Relativistic Astrophysics (invited
		plenary talk), Portsmouth, UK  
		 2019    The Second
		Global 21cm Workshop, McGill University, Montreal,
		Canada (cannot attend)  
		
		 2019    First Light
		(invited lecture series, advanced school), Sao Paolo,
		Brazil  
		 2019    15th PATRAS Workshop on Axions, WIMPs, and WISPs,
		Freiburg, Germany (could not attend)  
		 2018    TevPA2018
		Conference, Berlin, Germany (could not attend)  
		 2018    COSMO-18,
		Daejeon, South Korea (invited plenary talk; could not
		attend)  
 2018    Nonlinear Universe 2018 and
EdBertFest, Smartno, Slovenia 
 2018    Thermal history of the
Universe at intermediate redshift: progress with 21cm absorption
measurements, CERN, Switzerland  
		
 2018    Next-Generation Cosmology
		with Next-Generation Radio Telescopes, Sexten Center
		for Astrophysics, Sesto, Italy  
		
 2017    Post Planck Cosmology: Enigma,
Challenges and Visions, Pune, India  
 2017    Fundamental Physics with the
Square Kilometre Array, Mauritius  
 2016    CMB Spectral Distortions from
Cosmic Baryon Evolution, Raman Research Institute, Bangalore, India
 
 2016    Cosmological Probes of
Fundamental Physics, Weizmann Institute of Science, Israel  
 2016    Physics of Reionization and
 the Cosmic Dawn in the SKA Era, Sexten Center for Astrophysics,
 Sesto, Italy 
 2015 
    RESCEU APCosPA (Asia Pacific Organization for Cosmology and
Particle Astrophysics) Summer School on Cosmology and Particle
Astrophysics (Invited lecture series), Tokyo, Japan
 
 2014    CASCA (Canadian Astronomical
 Society) Annual Meeting, Quebec City, Canada  
 2012 
   "Gamma Ray Bursts in the Era of Rapid Follow-up", Liverpool, UK  
 2012 
   CosmoBias: International Meeting on "Physical Bias in Cosmology"
(Invited Review), Marseille, France  
 2011 
   "Hydrogen Cosmology" workshop at Harvard 
 2008 
   Harvard University Conference on "21cm Cosmology" 
 2008 
   "Cosmology with the CMB and LSS",
School and workshop program,
Tata Institute of Fundamental Research, India (Invited lecture
series; could not attend)  
 2007 
   Workshop: "Early universe and physics beyond the standard model",
Tokyo, Japan  
 2007 
   "HI Survival through Cosmic Times", Tuscany, Italy 
 2006 
   "From Planets to Galaxies", Budapest, Hungary   
 2004 
   Oort Workshop on "CMB and first objects at the                                                                                   end of the dark ages: observational consequences of reionization",
Holland  
 2003 
   Kloster Irsee Workshop on "The Formation and Early                                                                               Evolution of Galaxies", Germany  
 2002 
   "Early Cosmic Structures and the End of the Dark Ages", Elba, Italy  
 2001 
   Annual Meeting of the Israeli Physics Society, Tel Aviv, Israel
 
 2000 
   Harvard University Conference on "The First                                                                                      Generation of Cosmic Structures" 
             | 
            
    SKA and NenuFar workshops/meetings [9]:  
        2025    SKAO Science Meeting, Gorlitz, Germany (virtual participation)   
        2023    NenuFAR Cosmic Dawn Plenary meeting, Groningen, the Netherlands  
        2022    NenuFAR Cosmic Dawn day
       (virtual conference)  
        2021    Second NenuFAR Cosmic Dawn workshop
       (virtual conference)  
       
        2020    First NenuFAR Cosmic Dawn workshop
       (virtual conference)  
 2018    SKA CD/EoR meeting, London, UK  
 2016    SKA 2016: Science for the SKA
Generation (general conference + Key Science Project meeting), Goa,
India  
 2015    SKA CD/EoR Science Team
 Workshop (conference for developing the science team
 for Cosmic Dawn / Epoch of Reionization measurements with the Square
 Kilometre Array), Groningen, the Netherlands 
 2015    The SKA Key Science
 Workshop (conference for developing scientific plans for the Square
 Kilometre Array), Stockholm, Sweden
 
       
             | 
            
    Contributed conference talks [23]:  
        2024    First Stars VII, Flatiron Institute, NY, U.S.A.
 
        2021    4'th Global 21-cm Workshop,
       University of Colorado Boulder (virtual conference)
 
        2020    3'rd Global 21-cm Workshop,
       Cambridge, UK (virtual conference)
 
 2019    Barefoot Reionization:
Exploring the First Billion Years of the Universe, Fitzroy Island,
Qld, Australia  
       
 2019    Into the Starlight: The End
of the Cosmic Dark Ages, Aspen, U.S.A. 
       
 2018    Cosmological Signals from Cosmic
Dawn to the Present, Aspen, U.S.A. 
       
 2015   
Cosmology and First Light, IAP, Paris, France
 
 2014 
   CosPA 2014: 11th International Symposium on Cosmology & Particle Astrophysics, Auckland, New Zealand  
 2013 
   CosPA 2013: 10th International Symposium on Cosmology & Particle Astrophysics, Hawaii, U.S.A.  
 2010 
   CITA@25/Bond@60: The Theory of the Universe and Everything in It, Toronto, Canada  
 2010 
   The High Redshift Universe: A Multi-Wavelength View, Aspen, U.S.A.  
 2009 
   Focus week on non-Gaussianities in the sky, Tokyo, Japan  
 2006 
   Cosmological Probes of Baryons and Dark Matter, Aspen, U.S.A.  
 2005 
   Reionizing the Universe, Groningen, The Netherlands  
 2004 
   Galaxy-Intergalactic Medium Interactions, KITP, Santa Barbara, U.S.A.  
 2004 
   The Large Scale Structure of Gas and Mass in the High Redshift Universe, Technion, Israel  
 2004 
  The Large-Scale Distribution of Mass&Light in the Universe, Aspen, U.S.A.  
 2003 
   Stars and Structure Formation: From First Light to the Milky Way, Zurich, Switzerland  
 2003 
   Galaxy Formation, Jerusalem, Israel  
 2003 
   The Baryonic Universe, Aspen, U.S.A.  
 2000 
   The Physics of Galaxy Formation, Tsukuba, Japan  
 1999 
   Gravitational Lensing: Recent Progress and Future Goals, Boston, U.S.A.  
 1999 
   Cosmological Implications of the Local Group, Aspen, U.S.A.  
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