Civic Intelligence

Mayfield Education & Research

EIN 31-0921099 • 501(c)3 • Cincinnati, OH

Profile

Neuroscience research & education

3825 Edwards Rd Ste 300Cincinnati, OH 45209-1149

mayfieldfoundation.org

Siviq Scores

Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.

Liabilities / Assets

9th percentile

0.00x

Tied with the lowest-debt nonprofits in its peer group.

501(c)3 • $5M-$10M nonprofits • Source year 2024

Liabilities / Revenue

10th percentile

0.00x

Tied with the lowest-debt nonprofits in its peer group.

501(c)3 • $5M-$10M nonprofits • Source year 2024

Net Margin

89th percentile

51%

Higher net margin than 89% of similar nonprofits.

501(c)3 • $5M-$10M nonprofits • Source year 2024

Top Officer Pay

Score unavailable

No value available

No filing with officer rows is available for this organization yet.

Asset Growth

85th percentile

28%

Faster asset growth than 85% of similar nonprofits.

501(c)3 • $5M-$10M nonprofits • Annualized from 2022 to 2024

Revenue Growth

12th percentile

-22%

Faster revenue growth than 12% of similar nonprofits.

501(c)3 • $5M-$10M nonprofits • Annualized from 2022 to 2024

Balance Sheet
Liabilities / Assets9th percentile

Assets

Up

$9,319,272

Up $2,890,700 (+45%) from 2023

Liabilities

Flat

$0

Flat from 2023

Net Assets

Up

$9,319,272

Up $2,890,700 (+45%) from 2023

Operations
Liabilities / Revenue10th percentileNet Margin89th percentile

Revenue

Up

$2,045,989

Up $1,132,634 (+124%) from 2023

Expenses

Up

$1,010,844

Up $20,411 (+2.1%) from 2023

Net Income

Up

$1,035,145

Up $1,112,223 (+1443%) from 2023

Trend Graphs

Balance Sheet Trend

Asset Growth85th percentile

Grouped bars show assets, liabilities, and net assets across loaded filings.

$10M$5.0M$0Assets 2017: $3,971,842Liabilities 2017: $0Net Assets 2017: $3,971,8422017Assets 2018: $4,232,364Liabilities 2018: $0Net Assets 2018: $4,232,3642018Assets 2019: $4,371,201Liabilities 2019: $0Net Assets 2019: $4,371,2012019Assets 2020: $4,134,918Liabilities 2020: $0Net Assets 2020: $4,134,9182020Assets 2021: $4,816,635Liabilities 2021: $0Net Assets 2021: $4,816,6352021Assets 2022: $5,683,899Liabilities 2022: $0Net Assets 2022: $5,683,8992022Assets 2023: $6,428,572Liabilities 2023: $0Net Assets 2023: $6,428,5722023Assets 2024: $9,319,272Liabilities 2024: $0Net Assets 2024: $9,319,2722024

Highlighted filing

2024

Assets$9,319,272
Liabilities$0
Net Assets$9,319,272
Open 2024 Filing

Operations Trend

Revenue Growth12th percentile

Revenue, expenses, and net income by year, with the latest filing highlighted.

$4.0M$3.0M$2.0M$1.0M$0-$1.0MRevenue 2017: $1,083,419Expenses 2017: $941,949Net Income 2017: $141,4702017Revenue 2018: $1,019,224Expenses 2018: $758,702Net Income 2018: $260,5222018Revenue 2019: $1,051,549Expenses 2019: $912,712Net Income 2019: $138,8372019Revenue 2020: $767,170Expenses 2020: $1,003,453Net Income 2020: -$236,2832020Revenue 2021: $1,122,381Expenses 2021: $440,664Net Income 2021: $681,7172021Revenue 2022: $3,358,575Expenses 2022: $1,201,850Net Income 2022: $2,156,7252022Revenue 2023: $913,355Expenses 2023: $990,433Net Income 2023: -$77,0782023Revenue 2024: $2,045,989Expenses 2024: $1,010,844Net Income 2024: $1,035,1452024

Highlighted filing

2024

Revenue$2,045,989
Expenses$1,010,844
Net Income$1,035,145
Open 2024 Filing

Filings

Most recent year

2024 • Form 990Detailed filing. Detailed filing data is available for this year.

Open filing
Assets
$9,319,272
Liabilities
$0
Net assets
$9,319,272
Revenue
$2,045,989
Expenses
$1,010,844
Net income
$1,035,145
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2024Detailed filing. Detailed filing data is available for this year.$9.32$0.00$9.32$2.05$1.01$1.04
2023Detailed filing. Detailed filing data is available for this year.$6.43$0.00$6.43$0.91$0.99$0.08
2022Facts available. Structured filing facts are available, but richer extracted sections are limited.$5.68$0.00$5.68$3.36$1.20$2.16
2021Detailed filing. Detailed filing data is available for this year.$4.82$0.00$4.82$1.12$0.44$0.68
2020Detailed filing. Detailed filing data is available for this year.$4.13$0.00$4.13$0.77$1.00$0.24
2019Detailed filing. Detailed filing data is available for this year.$4.37$0.00$4.37$1.05$0.91$0.14
2018Detailed filing. Detailed filing data is available for this year.$4.23$0.00$4.23$1.02$0.76$0.26
2017Detailed filing. Detailed filing data is available for this year.$3.97$0.00$3.97$1.08$0.94$0.14
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Oct 1, 2023 to Sep 30, 2024
Signed
Aug 15, 2025
Return Version
2023v6.0
Gross Receipts
$2,537,099
Mission and Program Overview

Mission

Neuroscience research & education

Balance Sheet Detail
LineBeginningEndChange
Assets
Rtn Earn Endowment Incm Other Fnds$6,428,572$9,319,272▲ $2,890,700
Investments in Publicly Traded Securities$5,905,539$8,615,189▲ $2,709,650
Savings and Temporary Cash Investments$200,000$300,000▲ $100,000
Land, Buildings, and Equipment, Net$269,160$246,016▼ $23,144
Cash and Non-Interest-Bearing Accounts$53,873$158,067▲ $104,194
Total Assets$6,428,572$9,319,272▲ $2,890,700
Liabilities
Total Liabilities$0$0→ $0
Net Assets / Fund Balance
Total Net Assets Fund Balance$6,428,572$9,319,272▲ $2,890,700
Total Liabilities and Net Assets / Fund Balance$6,428,572$9,319,272▲ $2,890,700

Asset Categories

AssetBook ValueDepreciationBasis
Equipment-$569,394$569,394
Leasehold Improvements$240,187$106,992$347,179
Other Land Buildings$5,829$29,211$35,040

Endowment Activity

PeriodBeginningContrib.Gain/LossOther UsesEnd
2023-$250,000▲ $45,250-$295,250
Compensation and Service Providers
Top Officer PayScore unavailable

Board Members and Trustees

NameTitle
William D Tobler MdPresident
Amy Murray Start 82324Trustee
Andrew J Ringer MdTrustee
Bradbury a Skidmore MdTrustee
Bryan Krueger MdTrustee
James Horn MdTrustee
James J Mcgraw Jr EsqTrustee
Jeffrey T Keller PhdTrustee
Laura GuggenheimTrustee
Lauren R Ostling MdTrustee
Marla Santos SillimanTrustee
Michael StengerTrustee
Valerie Newell CPATrustee
Victor DipillaTrustee
Vincent Dinapoli Md PhdTrustee
Robert Rich EsqSecretary
Michael J RadomskiTreasurer

Highest Paid Contractors

ContractorServicesLocationCompensation
Mayfield Clinic INCSee Sch O3825 EDWARDS ROAD, SUITE 300, Cincinnati, OH 45209$478,483
Revenue and Support

Revenue Composition

Contributions and Grants
$1,370,926
Program Service Revenue
$560,285
Investment Income
$147,752
Other Revenue
$-32,974
All Other Contributions
$1,256,201
Change in Net Assets
$1,035,145

Noncash Contribution Practices

Property subject to holding requirements
No
Reviewed unusual noncash gifts
No
Third parties used for noncash contributions
No

Noncash Contributions

Contribution TypeContribution CountReported AmountValuation Method
Securities Publicly Traded2$502,286Fair Market Value (FMV)
Total Noncash Contributions2$502,286-
Expenses and Functional Allocation

Major Expense Lines

Line ItemAmount
Other Expenses$924,344
Grants and Similar Amounts Paid$86,500
Professional Fundraising Fees$0
Salaries, Compensation, and Employee Benefits$0
Total Fundraising Expense$0

Functional Expense Allocation

Line ItemProgramManagementFundraisingTotal
Conferences and Meetings$124,848--$124,848
Occupancy$99,200--$99,200
Grants to Domestic Orgs$86,500--$86,500
Fees for Service Investment Mgmnt Fees-$33,008-$33,008
Other Expenses$31,654--$31,654
All Other Expenses$24,342--$24,342
Depreciation Depletion$23,144--$23,144
Information Technology$14,155--$14,155
Office Expenses$10,883--$10,883
Fees for Services Legal-$8,120-$8,120
Fees for Services Other$2,875--$2,875
Fees for Services Accounting-$2,072-$2,072
Total Functional Expenses$967,644$43,200$0$1,010,844
International Activity

Grant and Assistance Recipients

RecipientLocationCategoryPurposeAmount
Brain and Spine Group IncBridgewater, NJ-Neurosurg Training$50,000
Mayo ClinicRochester, MN-Spinal Cord Research$25,000
Cox Health FoundationSpringfield, MO-Neurosurgery Lab$10,000
Fundraising, Events, and Gaming
Fundraising activities
Yes
Gaming activities
No
Professional fundraiser used
No

Fundraising and Gaming Totals

Line ItemAmount
Fundraising Direct Expenses$67,749
Fundraising Gross Income$14,775
Professional Fundraising Fees$0

Fundraising Events

EventGross ReceiptsGross RevenueDirect ExpensesNet Income
Art & Science E$129,500$14,775$26,888$-12,113
Total Events$129,500$14,775$67,749$-52,974
Political and Lobbying Activity
Political campaign activity
No
Lobbying activity
No
Subject to proxy tax
No
Governance and Compliance

Governance Checklist

Compiled or reviewed by an accountant
No
Annual disclosure for covered persons
No
Business relationship with 35% controlled entity
No
Business relationship with family members
No
Business relationship with organization members
No
Material changes to governing documents
No
Compensation from other sources disclosed
No
CEO compensation reviewed
No
Other officer compensation reviewed
No
Conflict-of-interest policy
Yes
Audited financial statements prepared
No
Key decisions subject to board approval
No
Management duties delegated
No

Governance Explanations

Form 990, Page 6, Part VI, Line 2

“William d. Tobler, m.d. Michael j. Radomski chairman treasurer officers of a related entity william d. Tobler, m.d. Andrew j. Ringer, m.d. Chairman trustee officers of a related entity william d tobler, m.d. Brad skidmore, m.d. Chairman trustee officers of a related entity william d tobler, m.d. Bryan krueger, m.d. Chairman trustee officers of a related entity william d tobler, m.d. Vincent dinapoli, m.d. Chairman trustee officers of a related entity michael j. Radomski andrew j. Ringer, m.d. Treasurer trustee officers of a related entity michael j. Radomski brad skidmore, m.d. Treasurer trustee officers of a related entity michael j radomski bryan krueger, m.d. Treasurer trustee officers of a related entity michael j. Radomski vincent dinapoli, m.d. Treasurer trustee officers of a related entity brad skidmore, m.d. Bryan krueger, m.d. Trustee trustee officers of a related entity brad skidmore, m.d. Andrew j. Ringer, m.d. Trustee trustee officers of a related entity brad skidmore, m.d. Vincent dinapoli, m.d. Trustee trustee officers of a related entity andrew j. Ringer, m.d. Bryan krueger, m.d. Trustee trustee officers of a related entity andrew j. Ringer, m.d. Vincent dinapoli, m.d. Trustee trustee officers of a related entity bryan krueger, m.d. Vincent dinapoli, m.d. Trustee trustee officers of a related entity retired/termed june 30, 2024”

Form 990, Page 6, Part VI, Line 7A

“Mayfield clinic appoints a minimum of 4 members”

Form 990, Page 6, Part VI, Line 11B

“Form 990 is completed by the association's tax accountants with information provided by the treasurer and staff. The completed draft is reviewed by the treasurer prior to filing with input if needed from legal counsel. Form 990 is also reviewed by the foundation's newly-formed executive committee.”

Form 990, Page 6, Part VI, Line 12C

“The conflict of interest policy is carried out by each trustee/board member signing a conflicts of interest disclosure form periodically. The forms are maintained and the board is alerted to any potential conflicts.”

Form 990, Page 6, Part VI, Line 19

“Public inspection copy available at www.guidestar.org”

Form 990, Part VII

“Section b - independent contractors mayfield clinic physicians perform education and research activities with mayfield education and research foundation. Mayfield education & research foundation reimbursed mayfield clinic 384,682 for full time foundation staff employed by mayfield clinic. Mayfield education & research foundation receives donated staff time from mayfield clinic for administrative and accounting services. Mayfield education & research foundation board includes 4 mayfield clinic owner/officers at 09/30/2024 (out of 15 total owners)- andrew ringer, md; brad skidmore,md; vincent dinapoli, md, phd; and bryan krueger, md. Mayfield education & research foundation also purchased services from mayfield clinic - 72,939. Mayfield education & research foundation reimbursed mayfield clinic for miscellaneous expenses incurred - 20,862.”

Filing and Contact Details

Filer

Filer Name
Mayfield Education & Research
EIN
31-0921099
Phone
5132211100
Address
3825 EDWARDS RD STE 300, CINCINNATI, OH 45209-1149

Signing Officer

Name
Michael J Radomski
Title
Treasurer
Phone
5132211100
Signed
2025-08-15
Discuss with paid preparer
Yes

Organization Details

Principal Officer
William D Tobler Md
Formed
1977
Legal Domicile
Oh
Voting Board Members
15
Independent Board Members
10
Employees
0

Preparer

Firm
Scrogginsgrear Inc
Address
200 NORTHLAND BLVD, CINCINNATI, OH 45246
Preparer
Julie Kline
Phone
5137717070
Supplemental Narrative

Additional Explanations

Form 990

“Other disclosures: mayfield education & research foundation leased space from mayfield cornerstone, llc - 106,246. Mayfield education & research foundation board includes 5 mayfield cornerstone llc members at 09/30/2024 (out of 18 total members) - william tobler, md, andrew ringer,md, brad skidmore,md vincent dinapoli, md, phd; and bryan krueger, md.”

Form 990, Page 2, Part III, Line 4D

“Neuroscience research & education”

Financial Statement Notes

Schedule D, Page 2, Part V, Line 4

“The endowment fund is designated for support of the annual herche lecture. The lecture is intended to provide both classroom instruction and hands-on cadaver lab training to residents, fellows, attending physicians, and other neuroscience professionals specializing in spine surgery. There were no expenses (cash basis) charged to the fund for the fiscal year.”

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IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt0THE ENDOWMENT FUND IS DESIGNATED FOR SUPPORT OF THE ANNUAL HERCHE LECTURE. THE LECTURE IS INTENDED TO PROVIDE BOTH CLASSROOM INSTRUCTION AND HANDS-ON CADAVER LAB TRAINING TO RESIDENTS, FELLOWS, ATTENDING PHYSICIANS, AND OTHER NEUROSCIENCE PROFESSIONALS SPECIALIZING IN SPINE SURGERY. THERE WERE NO EXPENSES (CASH BASIS) CHARGED TO THE FUND FOR THE FISCAL YEAR.
IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc0SCHEDULE D, PAGE 2, PART V, LINE 4
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