Leading Executives in Metal Fabrication
Karla R. Lewis
President & Chief Executive Officer, Reliance, Inc.
President & CEO since January 1, 2023, Lewis leads the largest metals service center operator in North America and is the first woman to helm the company, continuing a long track record of value‑added growth and M&A.
Company bio/IR | About/overview | Corporate contact
Edward (Eddie) J. Lehner
President & Chief Executive Officer, Ryerson Holding Corporation
CEO since June 2015, Lehner has driven Ryerson’s digital transformation and network optimization while executing tuck‑in acquisitions like Production Metals to expand value‑added processing.
Company bio | Investor news | Corporate site
Geoff G. Gilmore
President & Chief Executive Officer, Worthington Steel, Inc.
Gilmore led the separation of Worthington Steel and is scaling its electrical‑steel and motor‑laminations strategy, including a controlling stake in Italy‑based Sitem closed on June 3, 2025.
Avner M. Applbaum
President & Chief Executive Officer, Valmont Industries, Inc.
Appointed CEO in July 2023, Applbaum is steering Valmont’s Run‑Grow‑Transform strategy across metal poles, structures and coatings for infrastructure and agriculture.
Gunner Smith
Chief Executive Officer, Cornerstone Building Brands
Named CEO effective August 11, 2025, Smith brings deep building‑products experience (ex‑Owens Corning Roofing) to the leading North American maker of metal walls and roofs, windows and siding.
CEO announcement | Company site
Barry Zekelman
Chief Executive Officer, Zekelman Industries
As CEO, Zekelman leads North America’s largest independent steel pipe and tube manufacturer and oversaw a 2025 leadership realignment while continuing expansion in HSS and conduit.
Leadership news | Company overview
Marc Dutil
President & Chief Executive Officer, Canam Group
Dutil leads one of North America’s premier steel construction fabricators (joists, decks, complex structures) and was recognized with an honorary doctorate in 2025 for industry leadership.
Jagadeesh (Jag) A. Reddy
President & Chief Executive Officer, Mayville Engineering Company (MEC)
Reddy is scaling MEC’s end‑to‑end metal fabrication platform (design through assembly and coatings) across 20+ U.S. plants to serve diversified OEMs.
CEO appointment | Company site
Thomas E. Ferguson
President & Chief Executive Officer, AZZ Inc.
Ferguson leads North America’s largest hot‑dip galvanizing and coil‑coating provider; under his tenure AZZ expanded its Precoat Metals leadership bench and capital structure.
Executive roster | Company site
Bill Bosway
Chairman & Chief Executive Officer, Gibraltar Industries
Bosway has repositioned Gibraltar toward higher‑growth fabricated solutions in renewables, infrastructure and building products, while chairing the board.
William (Bill) Waltz
President & Chief Executive Officer, Atkore Inc.
Waltz has led Atkore’s strong profitable growth in metal conduit, cable management, and related infrastructure; on August 5, 2025 he announced plans to retire upon appointment of a successor.
News (retirement announced) | Company site
Leon J. Topalian
Chair, President & Chief Executive Officer, Nucor Corporation
Topalian is Chair, President & CEO of North America’s largest steel and steel products producer, overseeing growth in fabricated construction products alongside core steel.
Leadership page | Company site
Mark Vassella
Managing Director & Chief Executive Officer, BlueScope Steel Limited
Vassella leads BlueScope’s multi‑domestic portfolio, including North American coated products and building solutions, guiding strategy through cyclical markets.
Chris Ayers
Chief Executive Officer & Chair of the Board, Arconic Corporation (private; Apollo portfolio)
Ayers became CEO and Chair on September 11, 2023 after Apollo’s take‑private, leading a leading rolled‑aluminum and architectural systems producer serving aerospace and building markets.
CEO announcement | Transaction news
Jean‑Marc Germain
Chief Executive Officer, Constellium SE
CEO since 2016, Germain has driven Constellium’s growth in automotive, packaging and aerospace while achieving top‑tier sustainability ratings and expanding recycling capacity.
Company news/IR | Sustainability news
Steve Fisher
President & Chief Executive Officer, Novelis Inc. (Hindalco)
Fisher has led the world’s largest aluminum rolling & recycling company since 2015, including the Aleris acquisition and continued global capacity expansion.
Paolo Rocca
Chairman & Chief Executive Officer, Tenaris
Rocca, Chairman & CEO since 2002, leads the global leader in seamless OCTG; under his watch Tenaris earned major customer awards and executed a 2025 CFO transition.
John C. Plant
Executive Chairman & Chief Executive Officer, Howmet Aerospace Inc.
Executive Chairman & CEO Plant has driven strong growth in engineered metal components for jet engines and airframes, raising 2025 guidance amid robust demand.
Gregory L. Christopher
Chairman & Chief Executive Officer, Mueller Industries, Inc.
Christopher has led Mueller since 2008/2009, building a vertically integrated platform in copper tube, brass rod and forgings that underpins HVACR and industrial markets.
John Ganem
Chief Executive Officer (Americas), Kloeckner Metals Corporation (Klöckner & Co SE)
Ganem, CEO Americas, is leading Kloeckner’s digital transformation and a push into fabrication, including the 2023 acquisition of Industrial Manufacturing Services (IMS).
Leadership bio | Press release
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