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Tidepool Project

Public charity · Grantmaker Palo Alto, CA EIN: 46-2302287 Website

Tidepool Project is a non-profit organization dedicated to building an open software platform and applications that will reduce the burden of managing diabetes and lead to healthier outcomes.

Tidepool Project at a glance

Total assets
$16,507,686
+7.4% vs 2024
Revenue (2025)
$11,691,397
-21.5% vs 2024
Expenses (2025)
$11,275,453
+19.2% vs 2024
Latest 990 filing
Form 990, 2025 View filing

Data from IRS Form 990, 2025; updated October 2026.

Who Tidepool Project funds

How this funder distributes its grants

Grant Size Distribution

3 grants across all recorded years

3<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 3 grants of 3 (100%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

2states

States

Cities

New YorkWest Chester

How Tidepool Project gives

  • Giving held roughly steady from 2020 to 2023 (+16%). Method

From the foundation's IRS Form 990 filings. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$5K$10K$15K$20K1 grant2020 1 grant2021 0 grants2022 2 grants2023 0 grants2024 0 grants2025

From 2020 to 2023, annual grant giving ranged from $14K (2020) to $20K (2021). In 2023 it made 2 grants totaling $16K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
JDRF New York, NYBig Data Donation Project$10,347
Children with Diabetes (T-1 Today) West Chester, OHBig Data Donation Project$5,367
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsNet Investment Income
2025$16,507,686$11,691,397$11,275,453———
2024$15,366,755$14,900,409$9,455,973——$67,050
2023$11,440,725$10,307,078$7,866,144$15,7142$16,078
2022$6,642,602$6,501,837$7,574,015——$1,516
2021$8,802,323$8,057,426$7,776,142$19,5301$4,878
2020$8,157,735$4,669,004$5,511,689$13,5301$33,199

About Tidepool Project

Based on IRS filings

Tidepool Project is a public charity focused on Diseases, Disorders & Medical Disciplines, based in Palo Alto, CA. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $16.5M in total assets.

Leadership & Key People

Officers and directors from IRS filings

Tidepool Project is led by Howard Look, CEO, Founder & President of Board since 2025 (on filings since 2020); 6 of 10 officers listed in 2025 are compensated.

Officers on the 2025 filing

  • Howard Look

    CEO, Founder & President of Board

    CEO → CEO, Founder & President of the Board, 2024

    CEO, Founder & President of the Board → CEO, Founder & President of Board, 2025

    On filings since 2020

    40 hrs/week

    $230K (2020) → $241K (2025)

  • Brandon Arbiter

    Vice President, Bus Development & Strategic Prtshps

    Vice President Business → Vice President & Business Development, 2022

    Vice President & Business Development → Vice President, Bus Development & Strategic Prtshps, 2024

    On filings since 2020

    40 hrs/week

    $231K (2020) → $245K (2025)

  • Peter Schwamb

    Tidepool Loop Technical Lead

    Mobile Development Lead → Engineer, 2023

    Engineer → Tidepool Loop Technical Lead, 2024

    On filings since 2020

    40 hrs/week

    $231K (2020) → $229K (2025)

  • Tapani Otala

    Vice President & Engineering

    Engineering → Vice President Engineeri, 2021

    Vice President Engineeri → Vice President & Engineering, 2022

    On filings since 2020

    40 hrs/week

    $231K (2020) → $245K (2025)

  • Kelly Scarborough

    Vice President, Product & User Experience

    On filings since 2023

    40 hrs/week

    $198K (2023) → $247K (2025)

  • Melissa Maniscalco

    Vice President & Marketing

    New on the 2025 filing

    40 hrs/week

    $214K (2025)

  • Bryan Roberts

    Board Member

    Director → Board Member, 2022

    On filings since 2020

    2 hrs/week

    No compensation reported

  • Chuck Slaughter

    Board Member

    On filings since 2022

    2 hrs/week

    No compensation reported

  • Kurt Taylor

    General Counsel & Secretary

    General Counsel & Secretary → General Counsel & Secretary - Nonvoting Member O, 2024

    General Counsel & Secretary - Nonvoting Member O → General Counsel & Secretary, 2025

    On filings since 2022

    2 hrs/week

    No compensation reported

  • Lucia Savage

    Board Member

    On filings since 2022

    2 hrs/week

    No compensation reported

Former officers (8)
  • Former: Elizabeth Goodwin (2023–2024) — Head of Sales, Vice President & Fund Development
  • Former: Saleh Adi (2020–2022) — Board Member
  • Former: Sarah Lucas (2020–2022) — Board Member
  • Former: Janet Kramschuster (2022) — Vice President, People & Finance
  • Former: Sabrina Goldman (2022) — Vice President & Customer Support
  • Former: Edward Nykaza (2020–2021) — Data Science
  • Former: Charles Slaughter (2020) — Director
  • Former: Janet Diehl (2020) — Engineering

Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Compensation Overview

From 2025 IRS filing

Kelly Scarborough — VP, Product and User Experience: $247KKelly ScarboroughVP, Product and User Experience$247KBrandon Arbiter — VP, Bus Dev & Strategic Prtshps: $245KBrandon ArbiterVP, Bus Dev & Strategic Prtshps$245KTapani Otala — VP, Engineering: $245KTapani OtalaVP, Engineering$245KHoward Look — CEO, Founder, President of Board: $241KHoward LookCEO, Founder, President of Board$241KPeter Schwamb — Tidepool Loop Technical Lead: $229KPeter SchwambTidepool Loop Technical Lead$229KMelissa Maniscalco — VP, Marketing: $214KMelissa ManiscalcoVP, Marketing$214K

The highest reported compensation on the 2025 filing was $247K, to Kelly Scarborough (VP, Product and User Experience). 6 officers or directors reported compensation on that filing.

Frequently asked questions about Tidepool Project

How large is Tidepool Project?

Tidepool Project reported $16.5M in total assets on its 2025 IRS Form 990. Its revenue that year was $11.7M.

What is Tidepool Project?

Tidepool Project is a public charity focused on Diseases, Disorders & Medical Disciplines, based in Palo Alto, CA. It holds $16.5M in total assets as of 2025.

Where does Tidepool Project operate?

Tidepool Project has awarded grants in New York, Ohio.

What is Tidepool Project's EIN?

Tidepool Project's EIN (Employer Identification Number) is 46-2302287. IRS Form 990 filing data is available on this page for 2020–2025.

Data last updated October 2026. Sourced from IRS Form 990 filings.

Data update history

(5)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990 for fiscal year 2023 (received by the IRS May 9, 2024)
  2. Updated Form 990 for fiscal year 2020 (received by the IRS August 13, 2021)
  3. Updated Form 990 for fiscal year 2021 (received by the IRS May 16, 2022)
  4. Added Form 990 for fiscal year 2025 (received by the IRS May 13, 2026)
  5. IRS filings on file for fiscal years 2020–2024

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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from Tidepool Project's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.

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