News | February 16, 2026
The London appointment expands the firm’s capabilities in product safety, crisis management, materials science, risk assessment, and high-stakes failure analysis.
October 11, 2023
Secretariat is pleased to welcome delay expert Nelson Gallardo to the firm’s Construction practice. Joining as a Managing Director based in Atlanta, Gallardo’s addition significantly expands the firm’s experience addressing construction and infrastructure projects in the United States and Latin America.
Nelson is a construction expert witness specialized in international arbitration and dispute resolution regarding large industrial, infrastructure, and commercial projects typically ranging from $100 million to $5 billion in construction costs. He brings more than two decades of experience of advising contractors, owners, and governmental entities in infrastructure projects in the United States and Latin America, including Mexico, Honduras, El Salvador, Dominican Republic, Panama, Colombia, Peru, Chile, Brazil, and Uruguay. He has provided expert testimony on schedule delay, lost productivity, disruption, contract terminations and economic damages in multiple international arbitration forums including ICC, ICSID, UNCITRAL, AAA, AMCHAM and the Chambers of Commerce of Bogota, Lima, and Santiago.
Recognized for years as a “Global Leader – Construction Expert Witness” by Who’s Who Legal, clients and peers have said Nelson “has extensive experience in delay analysis of infrastructure and construction projects” and “possesses the ability to analyze many criteria and fact in a logical way.”
According to Secretariat Managing Director Don Harvey, “I couldn’t be more excited to welcome Nelson as the latest addition to Secretariat’s top-notch construction practice. He has an impressive track record of helping clients understand the intricacies of large-scale construction and infrastructure disputes. Adding Nelson to the team is proof of how deep and talented Secretariat’s industry-leading Construction practice in truly is today.”
The London appointment expands the firm’s capabilities in product safety, crisis management, materials science, risk assessment, and high-stakes failure analysis.
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