Calvin Theological Seminary logo

Calvin Theological Seminary

Public charity · Grantmaker Grand Rapids, MI EIN: 38-3001876 Website

Calvin Theological Seminary exists to serve the christian reformed church in North America and wider constituencies by preparing persons for biblically faithful and contextually effective ministry of the word and by offering reformed theological scholarship and counsel.

Key facts about Calvin Theological Seminary

EIN
38-3001876
Latest 990 filing
Form 990, 2025
Total assets
$101,250,712

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

Financial Overview

From 2025 IRS Form 990 · View filing

Total Assets

$101.3M

+9.3% YoY

Revenue

$14.1M

+24.1% YoY

Net Investment Income

$2.0M

+108.2% YoY

Expenses

$13.1M

+6.7% YoY

About Calvin Theological Seminary

Based on IRS filings

Calvin Theological Seminary is a public charity focused on Education, based in Grand Rapids, MI. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $101.3M in total assets. Net investment income was $2.0M.

Focus Areas

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

1state

States

Cities

Grand Rapids

Giving Over Time

Total grant dollars and number of grants per year

$0$200K$400K$600K$800K1 grant2019 1 grant2020 1 grant2021 0 grants2022 0 grants2023 0 grants2024 0 grants2025

From 2019 to 2021, annual grant giving ranged from $539K (2019) to $661K (2021). In 2021 it made 1 grant totaling $661K.

Grant Insights

How this funder distributes its grants

Grant Size Distribution

1 grant across all recorded years

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

The most common grant size was in the $500K–1M range: 1 grant of 1 (100%).

Giving History

Grant recipients and amounts by year

No grants recorded for 2025.

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Net Investment Income
$0$10M$20M$30M2019 2020 2021 2022 2023 2024 2025
Metric202520242023
Total Assets$101,250,712$92,638,677$88,012,471
Revenue$14,101,642$11,360,216$15,339,909
Expenses$13,103,469$12,282,006$11,282,615
Net Investment Income$2,025,751$973,050$5,063,548

Data update history

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990 for fiscal year 2020 (received by the IRS January 6, 2021)
  2. Updated Form 990 for fiscal year 2021 (received by the IRS April 27, 2022)
  3. Added Form 990 for fiscal year 2025 (received by the IRS May 11, 2026)
  4. Added Form 990 for fiscal year 2019 (received by the IRS May 13, 2020)
  5. IRS filings on file for fiscal years 2020–2024

Leadership & Key People

Officers and directors from IRS filings

Calvin Theological Seminary is led by Julius T. Medenblik JD, President on every filing since 2019; 7 of 27 officers listed in 2025 are compensated.

Officers on the 2025 filing

  • Julius T. Medenblik JD

    President

    On filings since 2019

    40 hrs/week

    $162K (2019) → $189K (2025)

  • David Morren

    Board Chairman

    Board Member → Board Chairman, 2021

    On filings since 2019

    5 hrs/week

    No compensation reported

  • Robert Knoor

    Director of Development

    On filings since 2022

    40 hrs/week

    $111K (2022) → $124K (2025)

  • Margaret Mwenda

    Chief Operating Officer

    On filings since 2022

    40 hrs/week

    $104K (2022) → $110K (2025)

  • Danjuma Gibson

    Prof. of Ps. Theo., Care & Counsel

    Professor of Pastoral Theology, Care & Counseling → Prof. of Ps. Theo., Care & Counsel, 2025

    On filings since 2023

    40 hrs/week

    $111K (2023) → $110K (2025)

  • Randy Devries

    Controller

    On filings since 2023

    40 hrs/week

    $56K (2024) → $85K (2025)

  • Yudha Thianto Tjondrowardojo

    Chief Academic Officer

    On filings since 2024

    40 hrs/week

    $107K (2024) → $107K (2025)

  • Gabriela Tijerina Echaverria

    Professor of New Testament

    New on the 2025 filing

    40 hrs/week

    $101K (2025)

  • Christian Oh

    Board Member

    On filings since 2021

    2 hrs/week

    No compensation reported

  • Hessel Kielstra

    Board Member

    On filings since 2021

    2 hrs/week

    No compensation reported

  • Scott Greenway

    Board Vice Chairman

    Board Member → Board Vice Chairman, 2023

    On filings since 2021

    2 hrs/week

    No compensation reported

  • Susan Keesen

    Board Secretary

    On filings since 2021

    4 hrs/week

    No compensation reported

  • Arthur J. Van Wolde

    Board Member

    On filings since 2022

    2 hrs/week

    No compensation reported

  • Brian Verhuel

    Board Member

    On filings since 2022

    2 hrs/week

    No compensation reported

  • Julius Umawing

    Board Member

    On filings since 2022

    2 hrs/week

    No compensation reported

  • Alan E. Van Der Woerd

    Board Member

    On filings since 2023

    2 hrs/week

    No compensation reported

  • James Jones

    Board Member

    On filings since 2023

    2 hrs/week

    No compensation reported

  • Kristin Vos

    Board Member

    On filings since 2023

    2 hrs/week

    No compensation reported

  • Louise Boutin

    Board Member

    On filings since 2023

    2 hrs/week

    No compensation reported

  • Mark Verbruggen

    Board Member

    On filings since 2023

    2 hrs/week

    No compensation reported

  • Sue Imig

    Board Member

    On filings since 2023

    2 hrs/week

    No compensation reported

  • Daniel Bud

    Board Member

    New on the 2025 filing

    2 hrs/week

    No compensation reported

  • Derek Buikema

    Board Member

    New on the 2025 filing

    2 hrs/week

    No compensation reported

  • Grace Kreulen

    Board Member

    New on the 2025 filing

    2 hrs/week

    No compensation reported

  • John R. Lee

    Board Member

    New on the 2025 filing

    2 hrs/week

    No compensation reported

  • John Wesselius

    Board Member

    New on the 2025 filing

    2 hrs/week

    No compensation reported

  • Thomas Nobel

    Board Member

    New on the 2025 filing

    2 hrs/week

    No compensation reported

Former officers (20)
  • Former: Charles Veenstra (2019–2024) — Board Member
  • Former: Paul Boersma (2019–2024) — Board Member
  • Former: Robert Drenten (2019–2024) — Board Member
  • Former: Theresa Rottschafer (2019–2024) — Board Member
  • Former: Cecil Van Niejenhuis (2024) — Board Member
  • Former: Frank Zee (2019–2023) — Board Member
  • Former: Heather Garretson (2019–2023) — Board Member
  • Former: Susan Strikwerda (2019–2023) — Board Member
  • Former: Christopher Dinh (2022–2023) — Director of Finance
  • Former: Daniel Brown (2019–2022) — Board Member
  • Former: Henry Lane (2019–2022) — Board Member
  • Former: Keith Oosthoek (2019–2022) — Board Vice Chairman
  • Former: Victor Chen (2019–2022) — Board Member
  • Former: Yudha Thianto (2019–2022) — Board Member
  • Former: Allen Kleine Deters (2019–2021) — Board Member
  • Former: Marc Neleson (2019–2021) — Board Member
  • Former: Scott Elgersma (2019–2021) — Board Member
  • Former: Sergio Castillo (2019–2021) — Board Member
  • Former: Curtis Walters (2019–2020) — Board Chairman
  • Former: Sidney Jansma Jr. (2019) — Board President

Data from IRS Form 990 filings, 2019–2025. "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

Rev Julius T Medenblik JD — President: $189KRev Julius T Medenblik…President$189KRobert Knoor — Director of Development: $124KRobert KnoorDirector of Development$124KMargaret Mwenda — Chief Operating Officer: $110KMargaret MwendaChief Operating Officer$110KDanjuma Gibson — Prof. of PS. Theo., Care & Couns.: $110KDanjuma GibsonProf. of PS. Theo., Care &…$110KYudha Thianto Tjondrowardojo — Chief Academic Officer: $107KYudha Thianto…Chief Academic Officer$107KGabriela Tijerina Echaverria — Professor of New Testament: $101KGabriela Tijerina…Professor of New Testament$101KRandy Devries — Controller: $85KRandy DevriesController$85K

The highest reported compensation on the 2025 filing was $189K, to Rev Julius T Medenblik JD (President). 7 officers or directors reported compensation on that filing.

Frequently asked questions about Calvin Theological Seminary

How large is Calvin Theological Seminary?

Calvin Theological Seminary reported $101.3M in total assets on its 2025 IRS Form 990. Its revenue that year was $14.1M.

What is Calvin Theological Seminary?

Calvin Theological Seminary is a public charity focused on Education, based in Grand Rapids, MI. It holds $101.3M in total assets as of 2025.

Where does Calvin Theological Seminary operate?

Calvin Theological Seminary has awarded grants in Michigan.

What is Calvin Theological Seminary's EIN?

Calvin Theological Seminary's EIN (Employer Identification Number) is 38-3001876. IRS Form 990 filing data is available on this page for 2019–2025.

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

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