• The Topology of Algebraic Varieties, special year at the IAS Princeton, 2014-15.
  • Classifying spaces and A^1-homotopy theory, Research Workshop of the Israel Science Foundation, May 12-14, 2014, Caesarea Maritime Center, Israel . Main Speaker Fabien Morel (LMU)
  • Algebraic Topology:
    Applications and new Directions
    Stanford Symposium - July 23-27, 2012
    Stanford University.
  • Second Abel Conference:
    A Mathematical Celebration of John Milnor    .
    IMA, University of Minnesota.
    January 30 to February 1, 2012.
  • LMU Number Theory Symposium.
    Mathematic Institute of the LMU,
    18/19 November 2011.
  • Motives: Algebra and Arithmetic ,
    Mainz University, July 4 - 8, 2011.
  • Current Developments in Mathematics 2010 ,
    Harvard University, November 19-20, 2010.
  • Algebraic Geometry, K-theory, and Motives
    (a conference dedicated to Andrei Suslin's 60th birthday)
    St. Petersburg, Russia June 25-29, 2010
  • MIT Colloquium,
    1 April 2010. (Brandeis-Harvard-MIT-Northeastern
    JOINT MATHEMATICS COLLOQUIUM)
  • A1-Homotopy Theory and its Recent Developments,
    IAS Princeton, January 11, 2010 - April 9, 2010 .
  • Pfister Forms , On the occasion of the 75th birthday of Albrecht Pfister,
    Mainz, Okt 29-30, 2009.
  • Rational connectivity and A1-homotopy theory
    AIM Palo Alto, California
    October 5 to October 9, 2009.
  • 11-th NRW Topology Meeting
    Bielefeld, May 8-9, 2009.
  • Conférence Internationale de Topologie Algébrique,
    Autour de la célébration du 60eme anniversaire de Jean Lannes,
    Djerba, Tunisie 20-23 Octobre 2007.
  • The Abel symposium 2007, August 6-9 2007, Oslo, Norway.
  • Seventh NRW Topology Meeting,
    Osnabruck, Friday, April 27 and Saturday, April 28, 2007.
  • Geometric applications of homotopy theory, January-June 2007,
    Fields Institute, Toronto,Canada
  • Banff Workshop Topology, Feb 25/March 2, 2007.
  • Algebraic groups, quadratic forms and related topics, September 2 - September 7, 2006, Banff, Canada
  • International Congress of Mathematicians MADRID 2006,
    22-30 August 2006    .
  • Algebraic K-Theory, Oberwolfach, July 16th - July 22nd, 2006
  • Quadratic Forms and Linear Algebraic Groups, Oberwolfach, June 25th - July 1st, 2006
  • Second Joint International Meeting American Mathematical Society (AMS),
    Deutsche Mathematiker-Vereinigung (DMV) and the Oesterreichische
    Mathematische Gesellschaft (OMG).
    June 16-19, 2005 Mainz, Germany.
  • Arbeitsgemeinschaft mit aktuellem Thema: Algebraic Cobordism.
    Mathematisches Forschungsinstitut Oberwolfach, April 3rd - April 9th, 2005.
  • Bloch-Kato conjecture program,
    Institute for Advanced Studies, Princeton, 2004/2005.
  • Algebraic K-theory, 2004,
    Montreal, October 2 - 6, 2004.
  • Travaux de Thom et théorie des singularités
    Université de Nantes, 8-11 Juin 2004.
  • Semestre "K-théorie et géométrie non commutative"
    en 2004 à l'IHP, Paris, France.
  • Motives and Homotopy Theory of Schemes,
    Oberwolfach, March 14th - March 20th, 2004.
  • Quadratic forms, algebraic groups, and Galois cohomology,
    October 04 - 09, 2003, Banff International Research Station.
  • Fields Institute Program on Applied Homotopy Theory,
    University of Western Ontario, London, Ontario, September, 2003.
  • K-theorie de Milnor-Witt, puissances de l'ideal fondamental et Sq^2,
    Mini-cours formes quadratiques, Lens, 24-27 Juin, 200
  • M.I.T. Colloquium, April 17, 2003 :
    "Motivic Algebraic Topology".
  • Marston Morse Memorial Lectures 2003,
    Princeton I.A.S.
    Lectures on ``Motivic Algebraic Topology''.
    March 31/April 4, 2003.
  • New Contexts for Stable Homotopy Theory,
    Isaac Newton Institute for Mathematical Sciences, Cambridge (UK),
    September to December 2002.
  • School and Conference on Algebraic K-theory and its Applications,
    8 - 26 July 2002, Miramare, Trieste, Italy.
  • Aarhus Topology 2002, In honnor of Ib Madsen,
    University of Aarhus, Denmark, June 10 - June 16 2002.
  • Quadratic Forms and Algebraic Groups,
    12.05. - 18.05.2002, Mathematisches Forschungsinstitut Oberwolfach.
  • K-Theory and Linear Algebraic Groups,
    Conference held at the Gerhard Mercator University of Duisburg,
    September 9 - 15, 2001.
  • International Conference in Algebraic Topology,
    Isle of Skye - Scotland, June 2001.
  • Conference on Algebraic cycles,
    Ohio State University Columbus, Ohio (USA) December 1-3, 2000.
  • Number Theory and Arithmetical Geometry: Motives and Arithmetic,
    Obernai (near Strasbourg), France, 22 - 27 September 2000.
  • Conference on Algebraic K-theory and Homotopy theory of schemes,
    Université Paul Sabatier, July 3-7, 2000, Toulouse, France.
  • First Euro-Mediterranean Topology Meeting,
    A euroconference in Homotopy Theory Bellaterra,
    July 4-7, 2000, Satellite to the Third European Congress of Mathematics in Barcelona, 2000.
  • 8-th Kuwait Fund Lecture, 2000
    University of Cambridge    . May 23, 2000.
    Title: The Adams spectral sequence for algebraic homotopy groups of spheres
    and the Milnor conjecture on invariants of quadratic forms
  • Homotopy methods in Algebraic Topology,
    1999 AMS Summer Research Conference, Boulder (Colorado), 20.06-24.06 1999.
    La photo de la conference.
  • A la suite du Workshop on Homotopy theory for algebraic varieties with
    applications to K-theory and quadratic forms    , May 11 - 16, 1998, tenu au MSRI,
    des exposés en vidéo avec notes manuscriptes !