Castalia Strategic Advisors are experts in the finance, economics, law, and policy of infrastructure, natural resources and social service provision. The company, founded in 1980 by Roland Leroy, drew on French models such as lease and concession contracts, and adapted them to work in diverse circumstances in Europe, Asia, Africa, Latin America, and the Caribbean.

Since 1980, the company has grown in staff numbers, international coverage, and areas of work. Led by Chief Executive, David Ehrhardt, and Executive Director, Alex Sundakov, Castalia now has over 40 professional staff and has offices in Washington DC, USA; New York, USA; Paris, France; Sydney, Australia; Wellington, New Zealand; and Bogota, Colombia.

Castalia Capital Advisory, a business arm of Castalia Strategic Advisors, provides transaction support, deal advisory and feasibility analysis, including business case assessments and value for money determinations for infrastructure development projects. Our insights help clients assess value, mitigate risks and structure workable procurement and financing strategies leading to acquisitions, divestments and public-private partnerships.