Mark R. Witkowski
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Mark R. Witkowski is recorded as CEO at Core & Main, Inc. (CNM) since March 31, 2025. The newest filing on record that lists Mark R. Witkowski as CEO at Core & Main, Inc. (CNM) is dated May 7, 2026. Core & Main, Inc. reported in an 8-K filed March 25, 2025 that Mark R. Witkowski was appointed Class I director, effective March 31, 2025. Core & Main, Inc. reported in an 8-K filed March 25, 2025 that Mark R. Witkowski was appointed Chief Executive Officer, effective March 31, 2025. The proxy statement of Core & Main, Inc. reports total compensation of $9,327,106 for Mark R. Witkowski in fiscal 2025, including a base salary of $786,539. Disclosed compensation is on record for 6 fiscal years. Core & Main, Inc. is classified in the Industrial Distribution industry within the Industrials sector. Other leadership on record at Core & Main, Inc. includes Mark Witkowski (CEO, CFO and Board Member), James Castellano (Chairman), Stephen O. LeClair (Chairman) and 7 others.
“the Board approved an increase in the size of the Board from nine directors to ten directors and appointed Mr. Witkowski to fill the newly-created vacancy as a Class I director.”
“Mark R. Witkowski, age 50, the current Chief Financial Officer, will become the Chief Executive Officer of the Company;”
Affiliation history
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Current
2025-03-31–present
Last confirmed May 7, 2026
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2025-03-31–2025-05-13
Last confirmed by a filing; no departure on record
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Start not stated–2023-05-16
Last confirmed by a filing; no departure on record
Company network
Leadership on record at Core & Main, Inc.
- Mark Witkowski CEO, CFO, Board Member
- James Castellano Chairman
- Stephen O. LeClair Chairman
- Robyn Bradbury CFO
- Jackie M. Burkhardt General Counsel
- Bhavani Amirthalingam Board Member
- M. Susan Hardwick Board Member
- Margaret M. Newman Board Member
- Orvin T. Kimbrough Board Member
- Robert M. Buck Board Member
Executive compensation
Compensation components disclosed in company proxy statements. Amounts are nominal USD; total is the company-reported figure.
| Fiscal year | Company | Role | Salary | Total |
|---|---|---|---|---|
| 2025 | Core & Main, Inc. (CNM) | Chief Executive Officer | $786,539 | $9,327,106 |
| 2024 | Core & Main, Inc. (CNM) | Chief Financial Officer | $610,192 | $1,830,886 |
| 2023 | Core & Main, Inc. (CNM) | Chief Financial Officer | $559,231 | $1,937,107 |
| 2022 | Core & Main, Inc. (CNM) | Chief Financial Officer | $521,923 | $2,063,414 |
| 2021 | Core & Main, Inc. (CNM) | Chief Financial Officer | $478,462 | $1,122,967 |
| 2020 | Core & Main, Inc. (CNM) | Chief Financial Officer | $396,924 | $762,984 |