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Santiago Castagnino

Partner & Managing Director


Santiago Castagnino joined The Boston Consulting Group in 2005. He is a core member of the Industrial Goods and Operations practices, specializing in infrastructure (engineering, construction, services, and concessions) and engineered products for a variety of projects involving operational-efficiency improvement, organization design, strategy definition, and postmerger integrations.

Some of Santiago’s key client work has included strategy definition for civil infrastructure; engineering, procurement, and construction (EPC) and infrastructure concession companies; market entry strategy in EPC (mining, power transmission, oil and gas); operational improvement in construction and shipbuilding; and turnarounds and reorganizations for machinery, rolling stock, and infrastructure clients. Santiago leads the operational improvement topic in the construction sector and collaborates with the World Economic Forum on construction and infrastructure topics.

Before joining BCG, Santiago worked five years for Telefónica in the US, Spain, and Argentina, analyzing and developing new businesses in fixed lines, e-commerce, and e-business, and running a business unit.

Areas of Expertise

  • Leads BCG’s work in engineering and construction in Western Europe and South America
  • Engineered products (for example, rolling stock, auto components, and HVAC)
  • Operational transformation and turnaround
  • Workforce restructuring and HR transformation
  • Postmerger integration


  • Industrial engineering degree, honors, Instituto Tecnológico Buenos Aires
  • Industrial Engineering Program, University of Massachusetts Amherst
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