---

Classifying spaces and A^1-homotopy theory, Research Workshop of the Israel Science Foundation, May 12-14, 2014, Caesarea Maritime Center, Israel

---

• 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.

---

• International Congress of Mathematicians MADRID 2006,
  22-30 August 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 !