ILLUSTRATIVE MATHEMATICS | Company Profile, Culture & Jobs

Our vision is a world where people know, use, and enjoy mathematics.Illustrative Mathematics is a discerning community of educators dedicated to the coherent learning of mathematics. We collaborate at illustrativemathematics.org, sharing carefully vetted resources for teachers and teacher leaders to give our children an understanding of mathematics and skill in using it. We provide expert guidance to states and districts working to improve mathematics education.

Founded in 2011

Tucson, Arizona, USA

192 employees (30 in marketing)

www.illustrativemathematics.org

Salaries

Typical salary range

$79,500 – $91,250

/ yr

Median base

$86,000

Median total

$86,000

Median experience

5 years

Submissions

3

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People

Founders

Kristin Umland

Chief Executive Officer

William McCallum

Chief Executive Officer

Headcount trend

Company growth over the last 12 months

Funding

Last raise

Series Unknown, 8 years ago

Funding history

Apr 2018

Venture Round Illustrative Mathematics

Audience

Monthly website visitors

318K

Month over month+26%

Quarter over quarter-19.7%

Top sourceSearch (45.4%)

Ad budget per month$12.5K

Average search rank42.8

Traffic source mix

Search

45.4%

Direct

37.3%

News

Illustrative Math’s CEO on What Went Wrong in NYC and Why Pre-K Math Is Up Next

Oct 15, 2025 • The 74

Illustrative Mathematics’ New CEO Is on the Hunt for Partnerships

Sep 5, 2025 • Education Week

Illustrative Math has plenty of detractors. I’ve grown to appreciate it.

Aug 19, 2025 • Chalkbeat

Links

www.illustrativemathematics.org

Crunchbase

ILLUSTRATIVE MATHEMATICS insights

Company and marketing-team signals from saved company data and employee profiles. Use this before you apply, interview, or negotiate.

Founded

2011

Headquarters

Tucson, Arizona

Employees

51-200

7.2% decline last 12mo

Marketing team

30

16% of company

11 saved employee profiles are linked to this company.

Overall company growth

Shows if the company is growing, flat, or shrinking.

Shrinking 7.2%

LinkedIn headcount is down 7.2% over the last 12 months.

Company stability and risk

Shows a quick risk view from growth, funding age, and news.

Main result

Medium risk

Seed-stage · Shrinking 7.2% last 12 months · More mature · Last funding 3+ years ago

Trend

2023-01-30 -> 2026-01-26

Headcount (12 months)

-7.2%

Last funding round

96 months ago

Negative news (120 days)

0

Risk score4/7

Website traffic

Shows traffic size, change, and traffic sources.

Monthly website visitors

318K

Month over month+26%

Quarter over quarter-19.7%

Top sourceSearch (45.4%)

Traffic source mix

Search

45.4%

Direct

37.3%

Referral

Competitors and search

Shows competitors and key search metrics in one view.

Main result

0 competitor sites

Search traffic: 97.8K organic clicks / 8.7K paid clicks

Organic competitors

0

Paid competitors

5

Keyword change

+2,398

Ad budget per month

$12.5K

Average search rank

42.8

Paid competitors5

LinkedIn followers

Shows follower count and growth.

LinkedIn followers

Follower count and growth

Total followers

18K

12-mo growth

+22.6%

Monthly growth

+10.1%

Marketing team growth

Shows if the marketing team is growing, flat, or shrinking.

Unknown

We need LinkedIn role growth data for marketing-related functions.

Marketing leader strength

Shows how strong marketing leadership looks at company level.

Low

Marketing leadership appears more mid-level today. Typical leader time at company: 6.3 years.

Founder or CEO

Saved founder and CEO profiles.

Kristin Umland

Chief Executive Officer

William McCallum

Chief Executive Officer

Marketing team size

Shows saved marketing team size.

30

16% of the company • 11 saved marketing people

First hire or larger team

Shows if this looks like one hire or a bigger team.

Looks like larger team

Based on saved marketing team size: 30.

Funding

Shows saved funding data.

Last raise

Series Unknown

8 years ago

Funding details

Amount raised

—

Last round

Series Unknown

Last fundraise

8 years ago

News

Shows saved company news.

Illustrative Math’s CEO on What Went Wrong in NYC and Why Pre-K Math Is Up Next

Oct 15, 2025 • The 74

Illustrative Mathematics’ New CEO Is on the Hunt for Partnerships

Sep 5, 2025 • Education Week

Illustrative Math has plenty of detractors. I’ve grown to appreciate it.

Aug 19, 2025 • Chalkbeat

Loading insights...

Headcount -7.2% year over year

Referral

16.8%

Social

0.2%

Paid referral

0.2%

LinkedIn followers

Follower count and growth

Total followers

18K

12-mo growth

+22.6%

Monthly growth

+10.1%

ILLUSTRATIVE MATHEMATICS insights

Company and marketing-team signals from saved company data and employee profiles. Use this before you apply, interview, or negotiate.

Founded

2011

Headquarters

Tucson, Arizona

Employees

51-200

7.2% decline last 12mo

Marketing team

30

16% of company

11 saved employee profiles are linked to this company.

Overall company growth

Shows if the company is growing, flat, or shrinking.

Shrinking 7.2%

LinkedIn headcount is down 7.2% over the last 12 months.

Company stability and risk

Shows a quick risk view from growth, funding age, and news.

Main result

Medium risk

Seed-stage · Shrinking 7.2% last 12 months · More mature · Last funding 3+ years ago

Trend

2023-01-30 -> 2026-01-26

Headcount (12 months)

-7.2%

Last funding round

96 months ago

Negative news (120 days)

0

Risk score4/7

Website traffic

Shows traffic size, change, and traffic sources.

Monthly website visitors

318K

Month over month+26%

Quarter over quarter-19.7%

Top sourceSearch (45.4%)

Traffic source mix

Search

45.4%

Direct

37.3%

Referral

Competitors and search

Shows competitors and key search metrics in one view.

Main result

0 competitor sites

Search traffic: 97.8K organic clicks / 8.7K paid clicks

Organic competitors

0

Paid competitors

5

Keyword change

+2,398

Ad budget per month

$12.5K

Average search rank

42.8

Paid competitors5

LinkedIn followers

Shows follower count and growth.

LinkedIn followers

Follower count and growth

Total followers

18K

12-mo growth

+22.6%

Monthly growth

+10.1%

Marketing team growth

Shows if the marketing team is growing, flat, or shrinking.

Unknown

We need LinkedIn role growth data for marketing-related functions.

Marketing leader strength

Shows how strong marketing leadership looks at company level.

Low

Marketing leadership appears more mid-level today. Typical leader time at company: 6.3 years.

Founder or CEO

Saved founder and CEO profiles.

Kristin Umland

Chief Executive Officer

William McCallum

Chief Executive Officer

Marketing team size

Shows saved marketing team size.

30

16% of the company • 11 saved marketing people

First hire or larger team

Shows if this looks like one hire or a bigger team.

Looks like larger team

Based on saved marketing team size: 30.

Funding

Shows saved funding data.

Last raise

Series Unknown

8 years ago

Funding details

Amount raised

—

Last round

Series Unknown

Last fundraise

8 years ago

News

Shows saved company news.

Illustrative Math’s CEO on What Went Wrong in NYC and Why Pre-K Math Is Up Next

Oct 15, 2025 • The 74

Illustrative Mathematics’ New CEO Is on the Hunt for Partnerships

Sep 5, 2025 • Education Week

Illustrative Math has plenty of detractors. I’ve grown to appreciate it.

Aug 19, 2025 • Chalkbeat

16.8%

Social

0.2%

Paid referral

0.2%