March 2017 – Keynote Address, NCECA Conference, Portland, Oregon
October 2016 – (with Glenn Adamson, Nicole Cherubini, Andrew Perchuk and Arlene Shechet) Museum of Arts and Design (MAD), New York City, New York
November 2015 – (with John Mason, and Neal Benezra) Yale University, New Haven, Connecticut
October 2013 – Institute of Science & Technology, Okinawa, Japan
February 2011 – California College of the Arts (CCA), Oakland and San Francisco, California
September 2010 – Ceramics Annual of America (CAA), San Francisco, California
March 2008 – NCECA Biennial Pittsburgh, Pennsylvania
November 2007 – Ninth Annual Dorothy Wilson Perkins Lecture, The Schein-Joseph International Museum of Ceramic Art, Alfred University, New York
September 2003 – Keynote Address, 2nd International Ceramics Symposium, Icheon, Korea
Spring 2002 – The Oxbow School, Napa, California
May 1998 – Regis Masters Series Lecture, Northern Clay Center, Minneapolis
May 1989 – (with Malcolm Margolin) Potluck Dinner, Headlands, California
August 1977 – Keynote Address, American Crafts Council Address, Winston-Salem, North Carolina
April 1969 – Keynote Address, NCECA Conference, Kansas City Art Institute, Missouri