worker, learner, go-getter, writer, speaker
2015/19
Chief Academic Officer
Desmos
2010/15
Digital Mathematics Curriculum Consultant
2009/10
Curriculum Fellow
Google
2006/10
Secondary Math Teacher
San Lorenzo Valley USD
2004/05
Secondary Math Teacher
Elk Grove USD
2015
Ph.D., Education
Stanford University
2005
M.A., Education
UC Davis
2004
Clear Single Subject Credential, Mathematics
UC Davis
2003
B.S., Mathematics
UC Davis
2014
Rising Star Alumni Award
UC Davis School of Education
2010
Thirty Leaders of the Future
Tech & Learning
2008
Leader in Learning
Cable in the Classroom
2007
Best New Blog
Edublogs
2004
Guinness World Record
2019
Pennsylvania Council of Teachers of Mathematics Annual Conference [keynote]
Harrisburg, PA
2019
Omaha Public Schools Leadership Kickoff [keynote]
Omaha, NE
2019
Algebra for All Conference [invited]
New York City, NY
2019
National Council of Teachers of Mathematics Annual Convention [featured]
San Diego, CA
2019
NESA Annual Convention [invited]
Bangkok, TH
2019
Northern Nevada Math Conference [keynote]
Reno, NV
2019
CMC Central Conference [keynote]
Merced, CA
2019
MSRI Conference [panelist]
Berkeley, CA
2019
M4 Conference [keynote]
Des Moines, IA
2019
Mathematics Educators Appreciation Day [keynote]
Tucson, AZ
2018
Workshops
Littleton, CO. Honolulu, HI. Oakland, CA.
2018
California Math Council – North [featured]
Monterey, CA
2018
NCTM Regional Conference [invite]
Seattle, CA
2018
Ontario Association for Mathematics Education – Leadership Conference [keynote]
Windsor, ON
2018
California Math Council – South [featured]
Palm Springs, CA
2018
Manitoba Association of Mathematics Teachers Annual Conference [keynote]
Winnipeg, MB
2018
Ohio Council of Teachers of Mathematics Annual Conference [keynote]
Akron, OH
2018
Mathematics Association of New South Wales Annual Conference [keynote]
North Wollongong, NSW
2018
Academy of Best Practices [keynote]
Seattle, WA
2018
National Council of Teachers of Mathematics Annual Conference [invited]
Washington, DC
2018
MidSchoolMath Conference [keynote]
Santa Fe, NM
2018
Association of Math Teachers of New Jersey Annual Conference [keynote]
Monroe Township, NJ
2018
Workshops
Honolulu, HI. Concord, CA. Chicago, IL. Los Angeles, CA. New York City, NY.
2017
California Math Council – North [featured]
Monterey, CA
2017
Northwest Math Conference [keynote]
Portland, OR
2017
Northwest Math Conference [keynote]
Portland, OR
2017
New Zealand Association of Mathematics Teachers Annual Conference [keynote]
Christchurch, NZ
2017
Ontario Association for Mathematics Education Annual Conference [keynote]
Kingston, ON
2017
Wisconsin Math Council Annual Conference [keynote]
Green Lake, WI
2017
National Council of Teachers of Mathematics Annual Conference [invited]
San Antonio, TX
2017
EdTech Teacher Summit [keynote]
San Diego, CA
2017
Workshops
Anaheim, CA. Honolulu, HI. New York City, NY. Honolulu, HI. Cupertino, CA. Pleasant Hill, CA. Mt. Diablo, CA. Stockton, CA. Sacramento, CA. New York City, CA. San Mateo, CA. New York City, NY. Syracuse, NY. San Diego, CA. Oakland, CA.
2016
California Mathematics Council Community College [keynote]
Monterey, CA
2016
Math Educators of Solano County [keynote]
Vacaville, CA
2016
California Math Council – North [keynote]
Monterey, CA
2016
California Math Council – South [featured]
Palm Springs, CA
2016
NCTM Regional Conference [invited]
Philadelphia, PA
2016
North Carolina Council of Teachers of Mathematics [keynote]
Greensboro, NC
2016
Idaho Association of Teachers of Mathematics [keynote]
Boise, ID
2016
Nebraska Association of Teachers of Mathematics Annual Conference [keynote]
Kearney, NE
2016
COTSEN Art of Teaching Annual Conference [keynote]
Long Beach, CA
2016
Love Learning Conference [invited]
Sydney, NSW
2016
Michigan Council of Teachers of Mathematics Annual Conference [keynote]
Traverse City, MI
2016
MathPlus Conference [keynote]
Kansas City, MO
2016
Conference for the Advancement of Mathematics in Texas [keynote]
San Antonio, TX
2016
Rhode Island Mathematics Teachers Association Annual Conference [keynote]
Providence, RI
2016
Sonoma State University Math Colloquium [invited]
Rohnert Park, CA
2016
National Council of Teachers of Mathematics Annual Conference [invited]
San Francisco, CA
2016
National Council of Supervisors of Mathematics Annual Conference [invited]
Oakland, CA
2016
Association of State Supervisors of Mathematics Annual Conference [invited]
San Francisco, CA
2016
West Virginia Council of Teachers of Mathematics Annual Conference [keynote]
Roanoke, WV
2016
National Association for Alternative Certification Annual Conference [keynote]
New Orleans, LA
2016
Santa Clara University Math Department Colloquium [invited]
Santa Clara, CA
2016
Texas Association of Mathematics Supervisors Annual Conference [keynote]
Austin, TX
2016
College Preparatory Mathematics Annual Conference [keynote]
Burlingame, CA
2016
Workshops
Austin, TX. New Orleans, LA. Honolulu, HI. Redwood City, CA. Boise, ID. New Castle, DE. Memphis, TN. Minneapolis, MN. Redwood City, CA. Honolulu, HI. New York City, NY.
2015
Association of Career and Technical Educators Annual Conference [keynote]
New Orleans, LA
2015
Association of Mathematics Teachers of New York State Annual Conference [keynote]
Rochester, NY
2015
Nassau County Association of Mathematics Supervisors Annual Conference [keynote]
Jericho, NY
2015
Association of Teachers of Mathematics in New England Annual Conference [keynote]
Portland, ME
2015
Alaska Math & Science Conference [keynote]
Sitka, AK
2015
Ontario Association for Mathematics Education Annual Conference [keynote]
Toronto, ON
2015
National Council of Teachers of Mathematics Annual Conference
Boston, MA
2015
National Council of Supervisors of Mathematics Annual Conference [invited]
Boston, MA
2015
MAA Chapter Conference [keynote]
Mountain View, CA
2015
MidSchoolMath National Conference [keynote]
Santa Fe, NM
2015
Piedmont USD Parent Night [invited]
Piedmont, CA
2015
Workshops
Huntsville, AL. Columbus, MS. Phoenix, AZ. Davis, CA. Monterey, CA. Contra Costa, CA. San Diego, CA. Santa Fe, NM. Hayward, CA. Spokane, WA. Pasco, WA. Wenatchee, WA. Vancouver, WA. Olympia, WA. Seattle, WA. Anacortes, WA. San Diego, WA. Hanover, MA. Norristown, PA. Chicago, IL. Austin, TX. Fremont, CA. Hayward, CA. Sioux Falls, SD. Tucson, AZ. Canton, NY. Syracuse, NY. Cortland, NY. Brentwood, CA. Superior, WI. Bothell, WA. Wenatchee, WA. Apple Valley, CA. Clovis, CA. Cupertino, CA. Downey, CA. San Bernardino, CA. Windsor, ON.
2014
California Math Council – North [keynote]
Monterey, CA
2014
NCTM Regional Conference [invited]
Houston, TX
2014
NCTM Regional Conference [keynote]
Richmond, VA
2014
NCTM Regional Conference [keynote]
Indianapolis, IN
2014
California Math Council – South [featured]
Palm Springs, CA
2014
Florida Association of Mathematics Supervisors [keynote]
Palm Harbor, FL
2014
Florida Council of Teachers of Mathematics [keynote]
Palm Harbor, FL
2014
Illinois Council of Teachers of Mathematics [keynote]
Tinley Park, IL
2014
PSU Harrisburg Evening Plenary [invited]
Harrisburg, PA
2014
Los Altos Education Summit [invited]
Los Altos, CA
2014
Twitter Math Camp [keynote]
Jenks, OK
2014
Conferece for the Advancement of Mathematics Teaching [invited]
Dallas, TX
2014
Francophone Association for Mathematics Education [keynote]
Ottawa, ON
2014
Ontario Association for Mathematics Education [featured]
Toronto, ON
2014
Association of State Supervisors of Mathematics Annual Conference [featured]
New Orleans, LA
2014
National Council of Supervisors of Mathematics Annual Conference [invited]
New Orleans, LA
2014
National Council of Teachers of Mathematics Annual Conference
New Orleans, LA
2014
Oakland USD Teach Fest [keynote]
Oakland, CA
2014
MidSchoolMath National Conference [keynote]
Santa Fe, NM
2014
Computer-Using Educators [keynote]
Palm Springs, CA
2014
New Teacher Center Annual Symposium [invited]
San Francisco, CA
2014
Pennsylvania Department of Education Annual Conference [keynote]
Hershey, PA
2014
Workshops
Madison, WI. Vancouver, WA. Olympia, WA. Seattle, WA. Asheville, NC. Los Angeles, CA. Spokane, WA. Pasco, WA. Yakima, WA. Watsonville, CA. Mountain View, CA. Lihue, HI. Fremont, CA. Burlingame, CA. Mariposa, CA. San Bernardino, CA. Grand Rapids, MI. San Jose, CA. Windsor, ON. Evansville, IN. Fresno, CA. Austin, TX. Atlanta, GA. DeQueen, AR. Little Rock, AR. Erie, PA. San Francisco, CA. Oakland, CA. Dallas, TX. Stanford, CA. Los Banos, CA. Adelaide, SA. Melbourne, VIC. Brisbane, QLD. Sydney, NSW. Kalispell, MT. Grande Prairie, AB. Irvine, CA. Santa Rosa, CA. Scranton, PA. Kansas City, MO. Apple Valley, CA. San Bernardino, CA. Azusa, CA. West Aurora, IL. Waynesville, NC. Houston, TX. Concord, CA. El Centro, CA. Fairfield, CA.
2013
California Math Council — North [keynote]
Monterey, CA
2013
California Math Council — South [featured]
Palm Springs, CA
2013
NCTM Regional Conference [featured]
Louisville, KY
2013
Conference for the Advancement of Mathematics Teaching [keynote]
San Antonio, TX
2013
Mt. Lassen Mathematics Council Annual Conference [keynote]
Redding, CA
2013
NCTM Regional Conference [featured]
Las Vegas, NV
2013
Georgia Council of Teachers of Mathematics [keynote]
Eatonton, GA
2013
Singapore Math Strategies [featured]
Las Vegas, NV
2013
Association of Mathematics Teachers of New York State [keynote]
Rochester, NY
2013
Love Learning [keynote]
Sydney, NSW
2013
Anja S. Greer STEM Conference [keynote]
Exeter, NH
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. Sudbury, ON. Monterey, CA. Farmington, CT. Shrewsbury, MA. Australia. Shawnee Mission, KS. Tamalpais, CA. Goffstown, NH. Detroit, MI. Ludington, MI. Atlanta, GA. Lancaster, PA. Wicomico, MD. Burlington, IL. Slinger, WI. Chippewa Falls, WI. Green Bay, WI. Tamalpais, CA. Monterey, CA. Stanford, CA. Haysville, KS. Hutchison, KS. Westwood, MA. Lexington, MA. Newton, MA. El Centro, CA.
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, SD.
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, NSW.
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, TX
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.