Global Coalition for Adaptive Research logo

Global Coalition for Adaptive Research

Public charity · Grantmaker Larkspur, CA EIN: 82-1199380 Website

Our mission is pioneering collaborative, innovative clinical trials to speed the discovery and development of cures.

Key facts about Global Coalition for Adaptive Research

In short: Global Coalition for Adaptive Research gave $10K across 1 grant in 2025 (avg $10K), mostly in Massachusetts. Source: 2025 IRS Form 990.

EIN
82-1199380
Latest 990 filing
Form 990, 2025
Annual giving (2025)
$10,000
Grants made (2025)
1
Average grant
$10,000
Median grant
$10,000
Total assets
$78,149,775
Primary geography
Massachusetts (100% of itemized 2025 grant dollars)

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

Financial Overview

From 2025 IRS Form 990 · View filing

Total Assets

$78.1M

+22.9% YoY

Annual Giving

$10K

+0.0% YoY

Grant Count

1

+0.0% YoY

Avg Grant Size

$10K

+0.0% YoY

About Global Coalition for Adaptive Research

Based on IRS filings

Global Coalition for Adaptive Research is a public charity focused on Medical Research, based in Larkspur, CA. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $78.1M in total assets. In 2025, it awarded 1 grant totaling $10K. Net investment income was $1.9M.

Focus Areas

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

3states

Share of the 2025 grant dollars on its one itemized grant.

Cities

NewtonRockvilleSalt Lake City

Giving Over Time

Total grant dollars and number of grants per year

$0$500K$1M$1.5M1 grant2020 0 grants2021 0 grants2022 3 grants2023 1 grant2024 1 grant2025

From 2020 to 2025, annual grant giving ranged from $10K (2024) to $1.1M (2023). In 2025 it made 1 grant totaling $10K.

Grant Insights

How this funder distributes its grants

Top Recipients

Top recipient in 2025

National Brain Tumor Society: $10KNational Brain Tumor Society$10K

The largest 2025 recipient was National Brain Tumor Society ($10K).

Grant Size Distribution

5 grants across all recorded years

2<$50K$50–100K1$100–250K$250–500K2$500K–1M$1–5M$5M+

The most common grant size was under $50K: 2 grants of 5 (40%).

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
National Brain Tumor Society Newton, MAGBM Awareness Day and Walk Sponsorship$10,000

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Net Investment Income
$0$20M$40M$60M2020 2021 2022 2023 2024 2025
Metric202520242023
Total Assets$78,149,775$63,602,270$59,610,730
Revenue$32,444,163$27,688,488$28,779,160
Expenses$32,607,809$30,895,157$29,710,627
Net Investment Income$1,880,695$1,851,839$1,733,052

Data update history

When this profile's IRS filing data changed on Grantable

  1. Added Form 990 for fiscal year 2025 (received by the IRS June 8, 2026)
  2. IRS filings on file for fiscal years 2020–2024

Leadership & Key People

Officers and directors from IRS filings

Global Coalition for Adaptive Research is led by Meredith Buxton, Chief Executive Officer & President since 2022 (on filings since 2020); 13 of 18 officers listed in 2025 are compensated.

Officers on the 2025 filing

  • Meredith Buxton

    Chief Executive Officer & President

    CEO → Chief Executive Officer, 2021

    Chief Executive Officer → Chief Executive Officer & President, 2022

    On filings since 2020

    40 hrs/week

    $435K (2020) → $1.3M (2025)

  • Faramarz Yousefzadeh Jd Llm

    Chairman of the Board

    On filings since 2022

    5 hrs/week

    No compensation reported

  • Gary Gordon MD PhD

    Senior Medical Advisor & Director

    President → President & Director, 2021

    President & Director → Senior Medical Advisor & Director, 2022

    On filings since 2020

    2 hrs/week

    $65K (2020) → $76K (2025)

  • Timothy Cloughesy MD

    Chief Medical Officer & Director

    Director → Chief Medical Officer & Director, 2021

    On filings since 2020

    6 hrs/week

    $60K (2020) → $216K (2025)

  • Tracey Roberts

    Director, Quality & New Initiatives

    Associate Director & Clinical Operations → Director & Trial Operations, 2023

    Director & Trial Operations → Director, Quality & New Initiatives, 2025

    On filings since 2021

    40 hrs/week

    $161K (2021) → $255K (2025)

  • Wk Alfred Yung MD

    Director

    Investigator China-Chair, Agile & Director → Investigator International Chair & Director, 2023

    Investigator International Chair & Director → Director, 2025

    On filings since 2021

    2 hrs/week

    $48K (2022) → $17K (2025)

  • Matthew Viva

    Director, Legal & Secretary

    Associate Director Legal & Secretary → Director, Legal & Secretary, 2023

    On filings since 2022

    40 hrs/week

    $226K (2022) → $245K (2025)

  • Sarah Untch

    Director & Trial Operations

    Associate Director Trial Ops → Director & Trial Operations, 2023

    On filings since 2022

    40 hrs/week

    $195K (2022) → $247K (2025)

  • Heather Kling

    Director & Clinical Science

    Senior Clinical Scientist → Director & Clinical Science, 2025

    On filings since 2024

    40 hrs/week

    $197K (2024) → $216K (2025)

  • Brian Alexander MD MPH

    Director

    On filings since 2020

    2 hrs/week

    No compensation reported

  • Webster Cavenee PhD

    Director

    On filings since 2020

    2 hrs/week

    No compensation reported

  • Sujuan Ba PhD

    Director

    Director → Secretary & Director, 2022

    Secretary & Director → Director, 2023

    On filings since 2021

    2 hrs/week

    No compensation reported

  • John Frishkopf Mms

    Director

    On filings since 2022

    2 hrs/week

    No compensation reported

  • Ashley Powell

    Vice President & Trial Operations

    Executive Director of Trial Operations → Executive Director of Trial Ops, 2022

    Executive Director of Trial Ops → Vice President & Trial Operations, 2023

    On filings since 2020

    40 hrs/week

    $174K (2020) → $521K (2025)

  • Robert Murray

    Chief Business & Strategy Officer

    Chief Business Officer → Chief Business & Strategy Officer, 2024

    On filings since 2020

    40 hrs/week

    $130K (2020) → $812K (2025)

  • Rachael Coleman

    CFO, COO & Treasurer

    CFO & COO → CFO, COO & Treasurer, 2023

    On filings since 2022

    40 hrs/week

    $352K (2022) → $541K (2025)

  • Rachel Rosenstein Sisson

    Community Engagement & Training Lead

    Senior Director of Administration → Senior Director, Communications, Learning & Development, 2023

    Senior Director, Communications, Learning & Development → Community Engagement & Training Lead, 2025

    On filings since 2022

    40 hrs/week

    $173K (2022) → $266K (2025)

  • Naween Tamjidi

    Senior Manager & Trial Operations

    On filings since 2024

    40 hrs/week

    $194K (2024) → $198K (2025)

Former officers (10)
  • Former: Adam Johnson (2022–2023) — Associate Director & Clinical Data Management
  • Former: Jessa Demas (2023) — Senior Manager & Strategic Initiatives
  • Former: Apoorva Nelli (2021–2022) — Senior Clinical Scientist
  • Former: Faramarz Yousefzadeh (2020–2021) — Chairman of the Board
  • Former: John Frishkopf (2021) — Director
  • Former: Rachel Rosenstein-Sisson (2021) — Senior Director of Administration
  • Former: Rykae Cooper (2021) — Clinical Operations Lead
  • Former: Alfred Wk Yung MD (2020) — Director
  • Former: John Firshkopf (2020) — Director
  • Former: Sujan Ba PhD (2020) — Secretary

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

Meredith Buxton — Chief Executive Officer/President: $1.3MMeredith BuxtonChief Executive…$1.3MRobert Murray — Chief Business and Strategy Officer: $812KRobert MurrayChief Business and Strategy…$812KRachael Coleman — CFO/COO/Treasurer: $541KRachael ColemanCFO/COO/Treasurer$541KAshley Powell — Vice President, Trial Operations: $521KAshley PowellVice President, Trial Operations$521KRachel Rosenstein Sisson — Community Engagement/Training Lead: $266KRachel Rosenstein SissonCommunity Engagement/Training…$266KTracey Roberts — Director, Quality and New Initiatives: $255KTracey RobertsDirector, Quality and New…$255KSarah Untch — Director, Trial Operations: $247KSarah UntchDirector, Trial Operations$247KMatthew Viva — Director, Legal/Secretary: $245KMatthew VivaDirector, Legal/Secretary$245KHeather Kling — Director, Clinical Science: $216KHeather KlingDirector, Clinical Science$216KTimothy Cloughesy MD — Chief Medical Officer and Director: $216KTimothy Cloughesy MDChief Medical Officer and…$216KNaween Tamjidi — Sr. MGR,TRIAL Operations: $198KNaween TamjidiSr. MGR,TRIAL Operations$198KGary Gordon MD PHD — Senior Medical Advisor and Director: $76KGary Gordon MD PHDSenior Medical Advisor and…$76KWK Alfred Yung MD — Director: $17KWK Alfred Yung MDDirector$17K

The highest reported compensation on the 2025 filing was $1.3M, to Meredith Buxton (Chief Executive Officer/President). 13 officers or directors reported compensation on that filing.

Frequently asked questions about Global Coalition for Adaptive Research

How much does Global Coalition for Adaptive Research give each year?

Global Coalition for Adaptive Research gave $10K across 1 grant in 2025, according to its 2025 IRS Form 990. In 2024 it gave $10K across 1 grant.

How large is Global Coalition for Adaptive Research?

Global Coalition for Adaptive Research reported $78.1M in total assets on its 2025 IRS Form 990. Its revenue that year was $32.4M.

What is Global Coalition for Adaptive Research?

Global Coalition for Adaptive Research is a public charity focused on Medical Research, based in Larkspur, CA. It holds $78.1M in total assets as of 2025.

Where does Global Coalition for Adaptive Research operate?

Global Coalition for Adaptive Research has awarded grants in Massachusetts, Maryland, Utah.

What is Global Coalition for Adaptive Research's EIN?

Global Coalition for Adaptive Research's EIN (Employer Identification Number) is 82-1199380. IRS Form 990 filing data is available on this page for 2020–2025.

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

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