Leon J. Topalian

Chair, President and Chief Executive Officer

Mr. Topalian was named Chair, President and Chief Executive Officer in 2022 after serving as President and Chief Executive Officer beginning in 2020 and as President and Chief Operating Officer in 2019. Mr. Topalian began his career with Nucor as a Project Engineer at Nucor Steel Berkeley in 1996. He has held various leadership positions throughout his Nucor career in Australia, at Nucor Steel South Carolina, Nucor Steel Kankakee, and Nucor-Yamato Steel Company. He served as Executive Vice President of Beam and Plate Products from 2017 to 2019.

Stephen D. Laxton

Chief Financial Officer, Treasurer and Executive Vice President

Mr. Laxton was named Chief Financial Officer, Treasurer and Executive Vice President in 2022. He began his career at Nucor in 2003 as General Manager of Business Development and subsequently served as Vice President of Business Development and Strategic Planning from 2014 to 2022.

David A. Sumoski

Chief Operating Officer

Mr. Sumoski was named Chief Operating Officer in 2021. He began his career in Nucor in 1995 as an Electrical Supervisor at Nucor Steel Berkeley before moving on to Maintenance Manager in 1999. Mr. Sumoski was General Manager of Nucor Steel Marion, elected a Vice President of Nucor in 2010, and subsequently served as Vice President and General Manager of Nucor Steel Memphis. He most recently served as an Executive Vice President from 2014 through 2020.

Allen C. Behr

Executive Vice President
Raw Materials

Brad Ford

Executive Vice President
Plate and Structural Products

Noah Hanners

Executive Vice President
Sheet Products

Mr. Hanners was named Executive Vice President in 2023. He began his career with Nucor in 2011 as a Melt Shop Engineer at Nucor Steel South Carolina. He next served as Shift Supervisor and eventually Melt Shop Manager of Nucor Steel Auburn, Inc. Mr. Hanners later served as General Manager of Nucor Tubular Products and General Manager of Nucor Steel Kankakee, Inc. and was elected a Vice President of Nucor in 2019 and later served as Vice President and General Manager of The David J. Joseph Company. Prior to joining Nucor, Mr. Hanners served as a major in the United States Army.

John J. Hollatz

Executive Vice President
Fabricated Construction Products

Gregory J. Murphy

Executive Vice President
Business Services and General Counsel

Mr. Murphy was named Executive Vice President in 2021. He began his Nucor career in 2015 as Vice President and General Counsel and later assumed responsibility for environmental and public affairs in 2020. Prior to joining Nucor, Mr. Murphy was a Partner with the law firm of Moore & Van Allen PLLC in Charlotte, where he was the team leader of the Litigation Practice Group and served for a decade on the firm’s Executive Committee.

Daniel R. Needham

Executive Vice President
Commercial

Mr. Needham was named Executive Vice President in 2021. He began his career with Nucor in 2000 as Controller at Nucor Steel Hertford County and subsequently served as Controller of Nucor Steel Decatur, LLC and Nucor Steel Utah. In 2011, Mr. Needham became General Manager of Nucor Steel Connecticut, Inc. He later served as General Manager of Nucor Steel Utah and was elected Vice President of Nucor in 2016. He served as Vice President and General Manager of Nucor Steel Indiana from 2019 through 2021.

K. Rex Query

Executive Vice President
Strategy

Mr. Query was named Executive Vice President in 2021. He joined Nucor in 1990 as a financial analyst in the Corporate Office and subsequently served as Controller at Vulcraft South Carolina, Nucor Steel Berkeley and Nucor Steel Hertford County. After serving as General Manager and Corporate Controller, Mr. Query’s positions included Vice President and General Manager at Nucor Steel Auburn, Inc., Nucor Steel Decatur, LLC, Nucor Steel South Carolina and Nucor Cold Finish as well as President of Nucor Europe and President of Nucor’s Vulcraft/Verco Group.

Randy J. Spicer

Executive Vice President
Bar and Engineered Bar

Mr. Spicer was named Executive Vice President in 2024. He began his career with Nucor in 2004 as the Accounting Supervisor at Nucor Steel Indiana. In 2006, Mr. Spicer joined the start-up team at Nucor Steel Memphis, Inc. as Controller and subsequently served as Controller and Hot Mill Manager at Nucor Steel Gallatin LLC. He was promoted to General Manager of Nucor Tubular Products North in 2020 and President of Nucor Tubular Products in 2022.

D. Chad Utermark

Executive Vice President
New Markets and Innovation

Mr. Utermark was named Executive Vice President in 2014. He began his career at Nucor Steel Arkansas as a Utility Operator in 1992 and progressed to Shift Supervisor and eventually Hot Mill Manager there. Mr. Utermark was Roll Mill Manager and eventually General Manager of Nucor Steel Texas. He was elected a Vice President of Nucor in 2008 and later served as the Vice President and General Manager of Nucor-Yamato Steel Company from 2011 until 2014.