![James Castellano](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
James Castellano
Chairman at
CORE & MAIN, INC.
Net worth: 8 M $ as of 2026-05-30
Profile
James G.
Castellano currently serves as Chairman at Core & Main, Inc. starting in 2026 and as Director at Fiduciary Counseling, Inc. Former positions include Chairman at The American Institute of Certified Public Accountants from 2001 to 2002, Chairman at RubinBrown LLP from 2004 to 2016, Chairman at Baker Tilly International Ltd. from 2001 to 2017, Chairman at Missouri Society of Certified Public Accountants, Director at Oppenheimer Trust Co. from 2017 to 2019, Director at Core & Main Holdings LP from 2019 to 2021, and Member at Financial Accounting Standards Board.
Education includes an undergraduate degree from Rockhurst University conferred in 2002.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-04-26 | 158,946 ( 1.65% ) | 8 M $ | 2026-05-30 | |
| 2026-04-26 | 4,638 ( 0% ) | 229 349 $ | 2026-05-30 |
James Castellano active positions
| Companies | Position | Start |
|---|---|---|
| CORE & MAIN, INC. | Chairman | 2026-03-31 |
Fiduciary Counseling, Inc. | Director/Board Member | - |
Former positions of James Castellano
| Companies | Position | End |
|---|---|---|
Core & Main Holdings LP
 Core & Main Holdings LP Wholesale DistributorsDistribution Services Operates as a holding company whose subsidiary distributes water infrastructure products | Director/Board Member | 2021-06-30 |
Oppenheimer Trust Co.
 Oppenheimer Trust Co. Investment Banks/BrokersFinance Part of Oppenheimer Holdings, Inc., Oppenheimer Trust Co. is a company based in New York, NY. | Director/Board Member | 2019-07-31 |
Baker Tilly International Ltd.
 Baker Tilly International Ltd. Miscellaneous Commercial ServicesCommercial Services Provides auditing, accounting, advisory, legal and tax services | Chairman | 2017-10-29 |
RubinBrown LLP
 RubinBrown LLP Miscellaneous Commercial ServicesCommercial Services Provides accounting and business consulting services | Chairman | 2016-05-30 |
The American Institute of Certified Public Accountants
 The American Institute of Certified Public Accountants Miscellaneous Commercial ServicesCommercial Services Association of accountants | Chairman | 2001-12-31 |
Training of James Castellano
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
56
1st degree connections
10
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 10 |
|---|---|
Rockhurst University
 Rockhurst University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
The American Institute of Certified Public Accountants
The American Institute of Certified Public Accountants Miscellaneous Commercial ServicesCommercial Services Association of accountants | Commercial Services |
RubinBrown LLP
RubinBrown LLP Miscellaneous Commercial ServicesCommercial Services Provides accounting and business consulting services | Commercial Services |
Baker Tilly International Ltd.
Baker Tilly International Ltd. Miscellaneous Commercial ServicesCommercial Services Provides auditing, accounting, advisory, legal and tax services | Commercial Services |
Financial Accounting Standards Board
 Financial Accounting Standards Board Miscellaneous Commercial ServicesCommercial Services Provides oversight of US accounting standards | Commercial Services |
Missouri Society of Certified Public Accountants
 Missouri Society of Certified Public Accountants Miscellaneous Commercial ServicesCommercial Services Operates as a professional development organization for CPAs | Commercial Services |
Oppenheimer Trust Co.
Oppenheimer Trust Co. Investment Banks/BrokersFinance Part of Oppenheimer Holdings, Inc., Oppenheimer Trust Co. is a company based in New York, NY. | Finance |
Core & Main Holdings LP
Core & Main Holdings LP Wholesale DistributorsDistribution Services Operates as a holding company whose subsidiary distributes water infrastructure products | Distribution Services |
Core & Main, Inc.
 Core & Main, Inc. Wholesale DistributorsDistribution Services Distributes water, sewer, storm drain and fire protection products | Distribution Services |
Fiduciary Counseling, Inc. |
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