Theory seminar, University of British Columbia, September 25, 2006

Talk, External Correlations of the CMB and Cosmology, Fermilab, May 25-27, 2006

Particle/Theory/Cosmology seminar,  Vanderbilt University, May 5, 2006

Talk, Fundamental physics with CMB, UC Irvine, March 23-25, 2006

Colloquium, Physics Department, Simon Fraser University, Vancouver, February 13, 2006

Colloquium, Physics Department, Florida State University, Tallahassee, February 3, 2006

Colloquium, University at Buffalo, SUNY, November 15, 2005

HEP/Relativity/Cosmology seminar, Syracuse University, September 26, 2005

NEPPSR invited lecture on CMB,  Craigville Beach, Cape Cod, Aug 14-19, 2005

KIPAC seminar, Stanford, Apr 20, 2005

Seminar, Particle Astrophysics Group, Case, Cleveland, Feb 15, 2005.

Seminar, SLAC theory group, Stanford, Jan 26, 2005

Seminar, ISCAP, Columbia U., Oct 29, 2004

Harvard phenomenology seminar, Oct 26, 2004

Talk, Cosmo04, Toronto, September 17-21, 2004

Seminar, Ludvig Maximillian University, Munich, July 6, 2004

Talk, 20th IAP colloquium on CMB physics and observation, Paris, June 28-July 2, 2004

Seminar, Theoretical Physics Group, Imperial College London, June 16, 2004

4 lectures on CMB, Yerevan State University, June 1-12, 2004

Talk, the Dark Side of the Universe workshop at MCTP, Ann Arbor, May 11, 2004

Seminar, HEP group, Cornell University, May 7, 2004

Seminar, joint Harvard/MIT/Tufts Tuesday Cosmology, September 23, 2003

A series of seminars on CMB,  Yerevan State University, Armenia, 30April - 7 May, 2003

Seminar, theoretical physics group, U. of Manchester, 5 March, 2003

Talk,  2nd CMBNet workshop  on Science and Parameter Extraction, Oxford, 20-21 February, 2003

Seminar, Ludvig Maximillian University, Munich, 14 February, 2003

Seminar, astrophysics group, Cornell University, 22 January, 2003

Seminar, CITA, Toronto, 20 January, 2003

Seminar, Astronomy Department, UC Berkeley, 9 December, 2002

Seminar, Center for Cosmological Physics, U. of Chicago, 6 December, 2002

Seminar, Physics Department, New York University, 4 December, 2002

Seminar, HEP group, U. of Florida, Gainesville, 3 December, 2002

Seminar, Case Western Reserve University, Cleveland, 26 November, 2002

Relativity lunch seminar, DAMTP, U. of Cambridge , 22 November, 2002

Seminar, astrophysics group, Oxford University, 17 October, 2002

Talk,  The Brijuni Conference  on  Space, Time and Life,  Brijuni Island (Brioni), Croatia, 26-30 August, 2002

Talk,  ICHEP 2002,  31st ``Rochester meeting'', Amsterdam, 24-31 July, 2002

Seminar, Universite Paris XI, Orsay, 8 July, 2002

Seminar, University of Sussex, 18 February, 2002

Seminar, Case Western Reserve University, Cleveland, 22 January, 2002

Seminar, Syracuse University, 18 January, 2002

Seminar, Portsmouth University, 6 December, 2001

CAPAC seminar, Imperial College, 5 October, 2001

Talk,  COSLAB Workshop, London, 7-10 July, 2001

Talk, ESF workshop on topological defects,  Capri, 7-12 September, 2000,

Parallel session talk,  DPF2000, APS meeting, Columbus, 9-12 August, 2000

Talk, Workshop on structure formation,  Newton Institute,  Cambridge, 26 July - 6 August, 1999

Talk, Great Lakes Cosmology, Pittsburgh, May 1998