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US nonprofit · EIN 381890465 · Grand Rapids, MIiSource and licenceOrganisation record IRS Exempt Organizations Business Master File (EIN 381890465) - NTEE activity code, address.Board and officers IRS Form 990 annual filings, Part VII (directors, trustees, officers, key employees), read year by year to observe tenure.Latest return IRS Form 990 series e-file data - 990 for the year to 28 February 2026: assets, liabilities, staff, website, telephone, pay.Finances by year IRS Form 990 e-file data - total revenue and total expenses by tax year.Renewal outlook Computed by Governance Register from the observed filing history and filed revenue (us-approach-v4-clean). Not a statement that the organisation is recruiting.Deductibility IRS Publication 78 data (code PC), downloaded 18 October 2026.Licence US Federal Government public domain.How we handle data

Tall Turf Ministries

Donations deductible
Revenue
$255k
year to 28 February 2026
Expenses
$516k
year to 28 February 2026
Total assets
$406k
$41k liabilities
Net assets
$365k
assets less liabilities
Directors and trustees
4
2.4y av
Staff
21
65 volunteers
Left since last filing
0
no seats appear to have opened
Officers and senior staff
6
named in Part VII
How am I connected?

Tall Turf Ministries' network

4 peoplei4 people on this map.The large node is the subject of this page. Solid lines are what the register itself records (4). Form 990 filings give names without a person identifier; SEC insider filings carry a CIK.

The board

4 listediTime on the board is observed from the annual filings: the IRS files no appointment date, so the bar counts years from the first filing the person appears on - a lower bound, not a filed start date. Names are exactly as filed. The IRS publishes no person identifier, so this edition does not yet link a person across organisations.Tenure and departures are observed across annual filings. Observed tenure is a lower bound - a member may have joined before the first year on record. The organisation reported 7 voting members of its governing body on its latest Form 990 Part VI; we list 4 in Part VII (Part VII does not always name every voting member).
NameRole as filedSinceOn the board
Arthur W HoogstrateTrustee2023
3 yrs
Lois BoermanTrustee2025
1 yr
Michael J FranklinTrustee2023
3 yrs
Sir Arthur TreadwellTrustee2025
1 yr
Under 5 years5 to 6 years6 years or more

Officers and senior leadership

6 listediNamed in Part VII as officers, key employees or highest-compensated staff - not board members, shown for completeness.
NameTitle as filedOn the filings
Edward PostmaVice Chairpersonsince 2023
Lydia KuyyenhovenCompany secretarysince 2023
Marcus HargravePresident and CEOsince 2018
Mark GreidanusCompany secretarysince 2023
Raphael Beechem JRChair2025
TIM VerstrateTreasurer2023

Pay and hours

year to 28 February 2026iFrom Part VII of the Form 990: compensation reported for each officer, director, trustee, key employee and highest-paid staff member, and the average hours a week they report. Most board members are unpaid; a blank means nothing was reported. Pay from related organisations is shown separately.
NameTitle as filedHours a weekPay from the organisationRelated organisationsOther
Marcus HargravePresident an50$97k
Lois BoermanTrustee$0
Nicole CheeksInterim Ex D40$0
Michael J FranklinTrustee1$0
Arthur W HoogstrateTrustee1$0
Sir Arthur TreadwellTrustee1$0
Mark GreidanusSecretary2$0
Rachael Beechem JrChair2$0
Edward PostmaVice Chairpe2$0

About

Legal name
Tall Turf Ministries
EIN
381890465
Address
2010 Kalamazoo Ave Se, Grand Rapids, MI, 49507-4004
State
Michigan
Mission
To equip youth and families for lives of reconciliation in god's world (as filed on the Form 990)
Activity (NTEE)
N20Z Recreation and sports
IRS classification
501(c)03 (tax-exempt under section 501(c)(3) where shown)
Classified purpose
Recreation & Sports
Size band
4 (IRS master file code)
Formed
1968
Principal officer
Marcus Hargrave (as named on the Form 990)
IRS ruling date
1 May 1969
Status
Code 01 (unconditional exemption)
Form 990 filings on record
7, latest 2025
IRS Publication 78
PC (contributions deductible)

Most connected

Longest observed on the filings

≥3years on the filingsArthur W Hoogstrate
≥3years on the filingsMichael J Franklin
≥1years on the filingsLois Boerman
≥1years on the filingsSir Arthur Treadwell

Latest return

year to 28 February 2026iFigures from the newest Form 990 or 990-EZ in the IRS e-file releases of 2025 and 2026, for the year ending 28 February 2026. US dollars, as filed.
Total assets
$406k
Total liabilities
$41k
Net assets or fund balances
$365k
Contributions and grants received
$193k
Program service revenue
$32k
Employees
21
Volunteers
65

Filed finances

1 yeariTotals as filed on the IRS Form 990 (revenue and expenses), by tax year.
Tax yearTotal revenueTotal expensesSurplus or deficit
2024$413k$505kDeficit $92k

As filed on the IRS Form 990. US dollars.