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MILWAUKEE SYMPHONY ORCHESTRA INC

EIN 39-6023436 MILWAUKEE, WI

Revenue 2024
$19,800,512
Expenses 2024
$23,482,388

Program services were 77.8% of total expenses calculated — Part IX's program-services column over total expenses, both as filed.

As filed

Subsection
03
NTEE code
A690
Classification
2000
Street
212 W WISCONSIN AVENUE

These codes are the IRS's own and are shown exactly as filed. What each one means is in the Business Master File documentation (opens in a new tab).

Officers and directors · 2024

As listed in Part VII of the 2024 return, in the order the filer printed them. Each return names its own; this is not a roster the organization keeps with us.

  • MARK NIEHAUS

    PRESIDENT & EXECUTIVE DIRECTOR

    Total calculated
    $398,522
    From this org
    $386,665
    From related orgs
    $0
    Other
    $11,857
    Hours/week
    40

    Schedule J breakdown matched by us

    Base
    $375,028
    Bonus
    $0
    Other
    $11,637
    Deferred
    $10,124
    Nontaxable benefits
    $1,733
    Filer's total
    $398,522

  • KEN-DAVID MASUR

    MUSIC DIRECTOR

    Total calculated
    $338,312
    From this org
    $329,617
    From related orgs
    $0
    Other
    $8,695
    Hours/week
    40

    Schedule J breakdown matched by us

    Base
    $329,617
    Bonus
    $0
    Other
    $0
    Deferred
    $6,962
    Nontaxable benefits
    $1,733
    Filer's total
    $338,312

  • SUSAN MARTIN

    BOARD CHAIRMAN

    Total calculated
    $0
    Hours/week
    10

  • ANDY NUNEMAKER

    IMMEDIATE PAST CHAIR(THRU12/12/2024)

    Total calculated
    $0
    Hours/week
    10

  • PATRICK MURPHY

    TREASURER

    Total calculated
    $0
    Hours/week
    5

  • ALYCE COYNE KATAYAMA

    BOARD SECRETARY

    Total calculated
    $0
    Hours/week
    5

  • KATE BREWER

    BOARD DIRECTOR (THRU 12/12/2024)

    Total calculated
    $0
    Hours/week
    1

  • JEFF COSTAKOS

    BOARD DIRECTOR

    Total calculated
    $0
    Hours/week
    1

  • JENNIFER DIRKS

    BOARD DIRECTOR

    Total calculated
    $0
    Hours/week
    1

  • DOUGLAS HAGERMAN

    BOARD DIRECTOR

    Total calculated
    $0
    Hours/week
    1

  • STEVE HANCOCK

    BOARD DIRECTOR

    Total calculated
    $0
    Hours/week
    1

  • CHARLOTTE HAYSLETT

    BOARD DIRECTOR (THRU 12/12/2024)

    Total calculated
    $0
    Hours/week
    1

  • ERIC HOBBS

    BOARD DIRECTOR

    Total calculated
    $0
    Hours/week
    1

  • PETER MAHLER

    BOARD DIRECTOR

    Total calculated
    $0
    Hours/week
    1

  • MARK METZENDORF

    BOARD DIRECTOR

    Total calculated
    $0
    Hours/week
    1

  • ROBERT MONNAT

    BOARD DIRECTOR

    Total calculated
    $0
    Hours/week
    5

  • CHRISTIAN MITCHELL

    BOARD DIRECTOR

    Total calculated
    $0
    Hours/week
    1

  • MAURA PACKHAM

    BOARD DIRECTOR (THRU 12/12/2024)

    Total calculated
    $0
    Hours/week
    1

  • LESLIE PLAMANN

    BOARD DIRECTOR

    Total calculated
    $0
    Hours/week
    1

  • MICHAEL J SCHMITZ

    BOARD DIRECTOR

    Total calculated
    $0
    Hours/week
    1

  • CRAIG SCHMUTZER

    BOARD DIRECTOR

    Total calculated
    $0
    Hours/week
    1

  • JAY SCHWISTER

    BOARD DIRECTOR

    Total calculated
    $0
    Hours/week
    1

  • DALE SMITH

    BOARD DIRECTOR

    Total calculated
    $0
    Hours/week
    1

  • GREGORY SMITH

    BOARD DIRECTOR

    Total calculated
    $0
    Hours/week
    1

  • HARUKI TOYAMA

    BOARD DIRECTOR

    Total calculated
    $0
    Hours/week
    1

The first 25 listed. Compensation is as filed in Part VII: reportable pay from this organization and from related organizations, other compensation, and hours per week. The total, marked calculated, is our sum of the three dollar columns, with a blank column counted as $0; the form itself has no total. On a Form 990-EZ the columns are Part IV's instead — compensation, contributions to benefit plans, and expense account — and the total sums those. A Schedule J breakdown is as filed: base pay, bonus, other, deferred compensation and nontaxable benefits from this organization, with any from related organizations beside each, and the filer's own total. It is shown with the Part VII listing of the same name on the same return. The form gives no key between the two, so that pairing is ours, and is marked matched by us. Earlier years are each on their own filing page.

Filings

  • 2024
    Revenue
    $19,800,512
    Expenses
    $23,482,388
    Contributions
    $14,137,955
    Grants paid
    $0
  • 2023
    Revenue
    $20,370,929
    Expenses
    $23,647,468
    Contributions
    $14,262,888
    Grants paid
    $0
  • 2022
    Revenue
    $18,464,144
    Expenses
    $23,261,189
    Contributions
    $13,380,852
    Grants paid
    $0

The four totals the IRS asks for on Part I of the Form 990, as filed. A dash means the figure was not present on the return — not that it was zero.

Grants made

No itemized grants to organizations. Schedule I is filed only by organizations that granted more than $5,000 to a recipient, so most filers have none.

Grants received

The 10 largest by cash amount. The API serves every itemized grant.

Related organizations

From Schedule R Part II, where a filer lists the tax-exempt organizations it is related to by control. It does not record shared board members or money.

Declared on its 2024 return

Declared as related by

Other IRS files

Auto-Revocation List

Not listed. The IRS publishes this list for organizations whose exemption was automatically revoked for failing to file for three consecutive years.

Publication 78

Listed as of 10 September 2026, under deductibility PC.

These are two separate IRS files on two separate schedules, shown as published and not reconciled with each other. Neither is a statement about whether a contribution is deductible today: 19,245 organizations appear in Publication 78 while the IRS's own revocation file lists them as currently revoked, more than half of those revoked before 2019. Absence from Publication 78 is evidence of nothing, and presence is not evidence either. Verify current status with the IRS before relying on it.