Speaking

I give keynotes, workshops, public lectures, and high five parades. To inquire, email the name of the blog at gmail.com.

Photo by Rayleen Tritt of Meraki Photo Inc.

Recent events include Calgary (5/2026); upcoming events will bring me to North Carolina (7/2026), Montana (10/2026), Pennsylvania (11/2026), Chicago (1/2027), Banff (3/2027), and Ohio (6/2027). Meanwhile, here’s a needlessly comprehensive list events:

2025 (a sum of cubes):

1/23 to 1/25: a visit to Helsinki with my fabulous Finnish publisher Terra Cognita.
2/19 to 2/22: a visit to the University of Michigan for a flurry of talks in Ann Arbor.
3/10: a stint as a “celebrity guest judge” at the Minnesota Math Bowl.
4/11 to 4/12: a visit to USJ/CSB to keynote the lovely Pi Mu Epsilon Conference.
7/7: a visit to the Cambridge Math Circle summer camp in Cambridge, MA.
7/17: a visit to the Minnesota Math League Coaches Conference.
7/23 to 7/24: a visit to the incomparable Epsilon Camp in St. Louis, Missouri.
9/12: a visit to Capitol Hill Middle School in St. Paul.
9/18: a seminar at Macalester College.
9/20: a keynote at the Rochester (Minnesota) Math Festival.
10/2 to 10/3: a visit to University of Chicago and the Metropolitan Math Club of Chicago.
10/12: the STEM Book Fest at the Bakken Museum (Minneapolis, MN).
10/28: a Zoom event with Math Is Figureoutable.
11/19-11/20: a visit as Distinguished Speaker to Winona State University.

2024 (a tetrahedral year):

8/8 to 8/9/2024: Mainstage talk and Quoteable Mathematics at MAA’s MathFest in Indianapolis, IN.
9/9/2024: Math for English Majors (in conversation with poet Claire Wahmanholm) at Magers & Quinn in Minneapolis, MN.
9/14/2024: Math for English Majors (in conversation with mathematician Kristin Heysse) at The Thinking Spot in Wayzata, MN.
11/2/2024: Keynote at CMC^3’s Fall Conference in Fairfield, CA.
11/9/2024: Keynote and two follow-up workshops at the annual conference of the Association of Mathematics Teachers of New York State (AMTNYS) in Albany, NY.
11/16/2025: Featured talk at the “Making Math Moments” digital conference.

2023 (a sum of three perfect cubes, as are each of its divisors)

2/2/2023: The Annual Heard Lecture at Wellesley College in Wellesley, MA
10/7/2023: Math with Bad Drawings paperback launch at The Thinking Spot in Wayzata, MN
10/20/2023: Keynote at MATYCONN (organization of two-year colleges) in Farmington, CT
10/30/2023: “Math vs. Science,” at Saint Paul College in Saint Paul, MN
11/2/2023: Math games at Broadway Books in Ashland, KY
11/3/2023: Talk and workshop at the Shawnee Game Conference in Portsmouth, OH

2022 (a product of three distinct primes):

2/5/2022: The Thinking Spot Bookstore in Wayzata, MN
3/3/2022: Chicago Latin School in Chicago, IL (math department mini-retreat)
3/4/2022: Metropolitan Mathematics Club of Chicago in Chicago, IL (evening lecture)
3/31/2022: Willamette University (digital)
4/7/2022: Yale Science & Engineering Association Alumni Talk (digital)
4/9/2022: A morning of mathematical games with MGCT Choices in Edina, MN
5/20/2022: The Thinking Spot Bookstore in Wayzata, MN
5/26/2022: Maryland Mathematical Association of Two-Year Colleges (digital keynote)
6/17-19/2022: Sci Foo Conference @ Google in Mountain View, CA (invited guest)
7/17/2022: Art of Sciences Camp Welcome Address @ Saint Olaf College in Northfield, MN
8/30/2022: Math on a Stick, Visiting Mathematician, MN State Fair, in Saint Paul, MN
9/17/2022: Rochester Mathematical Festival (keynote) in Rochester, MN
9/20/2022: NC Triangle Math Teachers’ Circle (online talk)
10/7/2022: Rosebud Books in Helsinki, Finland
10/8/2022: Finnish STEM Teachers Association in Espoo, Finland
10/19/2022: Volumes (online event) at the National Museum of Mathematics in NYC
11/19/2022: American Mathematical Association of Two-Year Colleges (keynote address) annual conference in Toronto, Ontario
12/9/2022: Manitoba Remote Learning Support Center (online event) in Winnipeg, Manitoba
12/18/2022: Tween Primes (online event) at the National Museum of Mathematics in NY

2021 (a semiprime):

2/9/2021: Colgate College (digital; write-up here)
2/19/2021: McGraw Hill Keynote Session (digital)
4/6/2021: New England Association of Two-Year Colleges (digital)
8/17/2021: Art of Problem Solving Math Jam (digital)
9/18/2021: Rochester Mathematics Festival (digital)
10/25/2021: Minnesota Correctional Facility, Shakopee (class visit)
11/2/2021: Los Gatos High School Math Club (digital)

2020 (the year of which we shall not speak):

2/12/2020: University of Houston in Houston, TX
2/13/2020: Lone Star College in Houston, TX
5/4/2020: Grinnell College (digital, class visit)
5/20/2020: King Edward’s School (digital)
10/23/2020: National Museum of Mathematics (digital)
12/3/2020: Macalester College (digital)

2019 (the smallest number written in 6 ways as the sum of the squares of 3 primes):

1/9/2019: Google in Cambridge, MA (video on YouTube)
1/10/2019: Commonwealth School in Boston, MA
1/19/2019: Joint Math Meetings in Baltimore (write-up by the great Anna Haensch)
1/31/2019: Loomis Chaffee School in Windsor, CT; keynoted a Connecticut Association of Independent Schools conference on “Writing in Math”
2/13/2019: UT Dallas
2/14/2019: Baylor University
3/7/2019: Smith College
3/14/2019: Collegiate School, NYC
4/3/2019 and 4/4/2019: University of Michigan, Ann Arbor
4/8/2019: University of Massachusetts, Lowell
4/11/2019: Association of Mathematics Teachers in Massachusetts (ATMIM) Spring Conference, keynote address, at Holy Cross College, Worcester, MA
4/12/2019: Montgomery College, keynote address at undergraduate STEM research conference, Germantown, MD
11/6/2019: Greensboro, NC, keynote speaker for the Leadership Seminar of the North Carolina Council of Teachers of Mathematics
11/7/2019: Greensboro, NC, keynote speaker for the annual conference of the North Carolina Council of Teachers of Mathematics
11/12/2019: Next Chapter Booksellers, Saint Paul, MN
12/15/2019: Magers & Quinn Booksellers, Minneapolis, MN

2018 (the year my first book came out):

9/26/2018: Holyoke Community College
9/26/2018: University of Massachusetts at Amherst
9/27/2018: Williams Bookstore
10/4/2018: Yale University
10/8/2018: Iowa Council of Teachers of Mathematics Conference (slides)
10/11/2018: Emmanuel College
10/11/2018: Northeastern University
10/19/2018: National Museum of Mathematics
10/20/2018: Freakonomics Radio Live in NYC (podcast)
10/29/2018: Kutztown University
10/30/2018: Dickinson College
10/30/2018: Gettysburg College
10/31/2018: Mount Saint Mary’s University (video)
11/1/2018: George Washington University
11/2/2018: College of Southern Maryland
11/5/2018: University of Maryland, College Park
11/6/2018: University of Mary Washington
11/6/2018: College of William and Mary
11/8/2018: Read Science! (on YouTube)
11/8/2018: University of North Carolina, Chapel Hill
11/9/2018: Appalachian State University
11/12/2018: Hofstra University
11/12/2018: Stony Brook University

Share this: