2013
Middle Years of Schooling Association [keynote]
Gold Coast, Australia
2013
University of Toronto [keynote]
Toronto, ON
2013
Ontario Association for Mathematics Education [featured]
Toronto, ON
2013
Saskatchewan Understands Mathematics [keynote]
Saskatoon, SK
2013
Blue Ribbon Schools Spring Institute [keynote]
Boston, MA
2013
National Council of Teachers of Mathematics [featured]
Denver, CO
2013
NRICH Millenium Mathematics Project [keynote]
Cambridge, UK
2013
Computers in Education Society of Ireland [keynote]
Galway, IE
2013
Innovators in Maths Education [keynote]
Nottingham, UK
2013
21st Century Learning [keynote]
Hong Kong
2013
Workshops
Honolulu, HI. Hong Kong. Singapore. Indonesia. Rochester, UK. Boston, MA. Chicago, IL. Denver, CO. Fayetteville, AR. Hot Springs, AR. Phoenix, AZ.
2012
Blue Ribbon Schools Annual Conference [keynote]
Orlando, FL.
2012
California Math Council — North [featured]
Monterey, CA.
2012
TIME 2000 [keynote]
Flushing, NY.
2012
California Math Council — South [featured]
Palm Springs, CA.
2012
Utah Council of Teachers of Mathematics [keynote]
American Fork, UT.
2012
Northwest Math Conference [keynote]
Victoria, BC.
2012
NCTM Regional [invited]
Dallas, TX.
2012
South Dakota State University REMAST Conference [keynote]
Brookings, ND.
2012
Center to Support Excellence in Teaching [keynote]
Stanford, CA.
2012
Maine School of Science and Mathematics [keynote]
Limestone, ME.
2012
Mathletics Annual Conference [keynote]
Sydney, AU.
2012
Bay Area Circle for Teachers [featured]
Berkeley, CA.
2012
Peninsula Bridge School [keynote]
Menlo Park, CA.
2012
Keystone Area Education Agency [keynote]
Elkader, IA.
2012
St. Isidore School [keynote]
Danville, CA.
2012
Menlo School [keynote]
Menlo Park, CA.
2012
Ontario Association for Mathematics Education [featured]
Durham, ON.
2012
Minnesota Council of Teachers of Mathematics [keynote]
Duluth, MN.
2012
National Council of Teachers of Mathematics [featured]
Philadelphia, PA.
2012
Center for the Study of Mathematics Curriculum [keynote]
Phoenix, AZ.
2012
Instructional Technology Strategies Conference [featured]
Portland, OR.
2012
Greater San Diego Mathematics Council [featured]
San Diego, CA.
2012
Silicon Valley Education Foundation [panelist]
Stanford, CA.
2012
The Urban School [keynote]
San Francisco, CA.
2012
Workshops
Olathe, KS. Beaufort, SC. Hutchinson, KS. El Paso, TX. Honolulu, HI. Palo Alto, CA. Council Bluffs, IA. Palm Springs, CA. Limestone, ME. Stanford, CA. Magnolia, TX. San Francisco, CA. Porterville, CA. Sioux Falls, SD. San Jose, CA. San Francisco, CA. Clinton Township, MI. Sudbury, ON. Pacific Grove, CA.
2011
California Mathematics Council — North [featured]
Monterey, CA
2011
California Mathematics Council — South [featured]
Palm Springs, CA
2011
Association of Independent Maryland & DC Schools [featured]
Baltimore, MD
2011
Mathematics Council of Alberta Teachers' Association [keynote]
Edmonton, AB
2011
Kentucky Council of Teachers of Mathematics [keynote]
Bowling Green, KY
2011
Siemens STEM Academy [keynote]
Silver Spring, MD
2011
National Council of Teachers of Mathematics — High School Institute [keynote]
Orlando, FL
2011
Conference for the Advancement of Mathematics Teaching [keynote]
Grapevine, TK
2011
Mathematics & Science Innovation Center [keynote]
Richmond, VA
2011
Wisconsin Mathematics Council [keynote]
Green Lake, WI
2011
CA Charter Schools Conference [featured]
San Diego, CA
2011
DuPage Valley Mathematics Conference [keynote]
Naperville, IL
2011
Education Week [invited]
Online
2011
Workshops
Doha, QA. Calgary, AB. Edmonton, AB. Fort McMurray, AB. Oakland, CA. San Francisco, CA. Grand Forks, ND. Beaufort, SC. Bowling Green, KY. New York City, NY. Atlanta, GA. Mountain View, CA.
2010
California Mathematics Council — North
Monterey, CA
2010
IvyTech Community College [keynote]
Madison, IN
2010
Ukiah Unified School District [keynote]
Ukiah, CA
2010
National Council of Teachers of Mathematics
San Diego, CA
2010
National Council of Supervisors of Mathematics
San Diego, CA
2010
Wisconsin's Research and Education Network [invited]
Online
2010
Mills College [invited]
Oakland, CA.
2010
TEDxNYED [invited]
New York City, NY.
2010
Workshops
St. Louis, MO. Kannapolis, NC. North Bergen, NJ. Colchester, VT.
2009
OSCON [invited]
San Jose, CA.
2009
UC Berkeley [invited]
Berkeley, CA.
2008
California Mathematics Council — North
Monterey, CA.
2007
Oakland Teaching Fellows [invited]
Oakland, CA.
2006
Oakland Teaching Fellows [invited]
Oakland, CA.