The contributors at Steel Market Update form a dynamic team of industry experts, delivering comprehensive and insightful content to readers worldwide. With their extensive knowledge and deep understanding of the steel market, these seasoned analysts and professionals offer a multifaceted view of market trends, trade policies, and technological advancements. Their timely and relevant articles and reports serve as invaluable resources, empowering steel producers, investors, and decision-makers to navigate the complexities of the industry. Recognized as the backbone of Steel Market Update’s success, these contributors shape the narrative of steel journalism, driving innovation and playing a crucial role in shaping the industry’s discourse.

Lewis Leibowitz

Lewis Leibowitz, owner of the Law Office of Lewis E. Leibowitz, practices in the areas of international trade law, customs law, and international commercial transactions. He represents clients before all federal courts and agencies dealing with international trade matters. Leibowitz advises and assists clients in diverse matters including trade remedies, customs, foreign-trade zones and free trade agreements, trade negotiations, and related matters. He can be reached at

David Feldstein

SMU Contributor David Feldstein is president of Rock Trading Advisors. He has more than 20 years of financial market trading experience and has been active in the ferrous futures space since 2012. Feldstein earned an MBA from the University of Chicago Booth School of Business with concentrations in economics, statistics, and analytical finance. He writes regularly about steel and ferrous scrap futures for SMU and can be reached at

Jack Marshall

Jack Marshall has over 30 years of experience trading and marketing financial futures and swaps, including currencies. Before joining Crunch Risk in 2012, Marshall was responsible for forex origination at BofA Merrill Lynch in their Chicago office. At Crunch Risk, he focuses on ferrous scrap futures and helps manage client communications. Marshall is a regular contributor to the Steel Market Update newsletter covering topics including steel and steel scrap futures. He is an NFA registered Associated Person and holds a Series 3 license. Marshall can be reached at

Estelle Tran

Estelle Tran is a prices lead at CRU based in Pittsburgh, Pennsylvania. Estelle joined CRU as a steel and ferroalloy prices analyst in October 2017. She is the main contact for data providers who contribute to the CRU Midwest flat-rolled steel indices. She is also the editor of the Steel Monitor and analyzes the monthly service center inventories report for Steel Market Update.

Prior to joining CRU, Estelle worked at S&P Global Platts, reporting on flat-rolled steel, long steel, primary aluminum and trade issues. She earned a B.A. in English writing and history from the University of Pittsburgh.

Estelle is also past president of the Pittsburgh chapter of the Association of Women in the Metal Industries and the Northeast regional vice chair.

Ryan McKinley

Ryan joined CRU in 2018 and is now the editor of the Steel Sheet Monitor. He also forecasts North American prices, production, demand, and trade for sheet and plate products in CRU’s Steel Sheet and Plate Market Outlooks.

Ryan has eight years of experience in steel market analytics, covering markets from steel metallics, steel long products, stainless steel, and now steel sheet and plate markets. Prior to joining CRU, he covered a variety of local North American scrap markets at Argus Media.

He holds a BA in Political Science from Colorado State University in Fort Collins, Colorado, and an MA in Energy Politics in Eurasia from European University located in Saint Petersburg, Russian Federation. Ryan is based in Denver, Colorado.