![Joseph A. Rutkowski](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>)
Joseph A. Rutkowski
Corporate Officer/Principal at
Castrip LLC
Net worth: 659 900 $ as of 2026-06-29
Profile
Joseph A. Rutkowski is Executive Vice President-Business Development at Castrip LLC.
Mr. Rutkowski is Principal at Winyah Advisors LLC since 2010.
Former roles include Independent Director at Cleveland-Cliffs, Inc. from 2014 to 2020; Independent Non-Executive Director at Cenergy Holdings SA; Non-Executive Director at Viohalco SA; Independent Director at Insteel Industries, Inc. from 2015 to 2026; Executive Vice President-Business Development at Nucor Corp.
from 1998 to 2010; President of the Association of Iron & Steel Engineers; Manager at Nucor Cold Finish-Nebraska from 1989 to 1991; General Manager & Vice President at Nucor Steel-South Carolina from 1992 to 1998; Manager-Melting & Casting at Nucor Steel Utah from 1991 to 1998; and General Manager & Vice President at Nucor Steel Hertford County in 1998.
Education includes an undergraduate degree from The Johns Hopkins University conferred in 1976.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2025-12-09 | 21,851 ( 0.11% ) | 659 900 $ | 2026-06-29 |
Joseph A. Rutkowski active positions
| Companies | Position | Start |
|---|---|---|
Castrip LLC
 Castrip LLC SteelNon-Energy Minerals Manufactures flat-rolled, carbon and stainless steel sheets | Corporate Officer/Principal | - |
Winyah Advisors LLC | Corporate Officer/Principal | 2010-02-28 |
Former positions of Joseph A. Rutkowski
| Companies | Position | End |
|---|---|---|
| INSTEEL INDUSTRIES INC. | Director/Board Member | 2026-02-09 |
| CLEVELAND-CLIFFS INC. | Director/Board Member | 2020-03-12 |
| NUCOR CORPORATION | Corporate Officer/Principal | 2010-02-27 |
Nucor Steel Hertford County
 Nucor Steel Hertford County SteelNon-Energy Minerals Operates steel foundries | Chief Executive Officer | 1998-10-31 |
Nucor Steel Utah
 Nucor Steel Utah SteelNon-Energy Minerals Manufactures steel products | Corporate Officer/Principal | 1997-12-31 |
Training of Joseph A. Rutkowski
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
61
1st degree connections
13
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 13 |
|---|---|
Cleveland-Cliffs, Inc.
 Cleveland-Cliffs, Inc. SteelNon-Energy Minerals Mines for iron ore | Non-Energy Minerals |
Insteel Industries, Inc.
 Insteel Industries, Inc. Metal FabricationProducer Manufacturing Manufactures and markets steel wire reinforcing products for concrete construction applications | Producer Manufacturing |
Nucor Corp.
 Nucor Corp. SteelNon-Energy Minerals Manufactures steel and steel products | Non-Energy Minerals |
Association of Iron & Steel Engineers
 Association of Iron & Steel Engineers Miscellaneous Commercial ServicesCommercial Services Iron and steel trade group | Commercial Services |
The Johns Hopkins University
 The Johns Hopkins University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Castrip LLC
Castrip LLC SteelNon-Energy Minerals Manufactures flat-rolled, carbon and stainless steel sheets | Non-Energy Minerals |
Nucor Cold Finish-Nebraska
 Nucor Cold Finish-Nebraska SteelNon-Energy Minerals Manufactures and supplies metal bars | Non-Energy Minerals |
Nucor Steel-South Carolina
 Nucor Steel-South Carolina SteelNon-Energy Minerals Manufactures steel bars & related products | Non-Energy Minerals |
Viohalco SA/NV
 Viohalco SA/NV Other Metals/MineralsNon-Energy Minerals Engages in the steel, copper, and aluminum production, processing and trade, as well as in the real estate development sector | Non-Energy Minerals |
Winyah Advisors LLC | |
Cenergy Holdings SA
 Cenergy Holdings SA Electrical ProductsProducer Manufacturing Manufactures cables products | Producer Manufacturing |
Nucor Steel Utah
Nucor Steel Utah SteelNon-Energy Minerals Manufactures steel products | Non-Energy Minerals |
Nucor Steel Hertford County
Nucor Steel Hertford County SteelNon-Energy Minerals Operates steel foundries | Non-Energy Minerals |
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