We apply smart thinking and analytical rigor to solve the world’s biggest infrastructure, resource, and policy challenges. At Castalia we use our knowledge, skills and experience to question and redefine how the infrastructure challenges of the world are solved. We are experts in the finance, economics, law, and policy of infrastructure, natural resources and social service provision. We are passionate about finding solutions to the world’s most complex infrastructure problems in those fields, knowing that in doing so we can make the world a better place. Since 1980 we have grown in staff numbers and global presence. We have over 50 members of staff, and offices in: Washington DC, USA; Wellington, New Zealand; Sydney, Australia; Bogotá, Colombia; and Paris, France. Castalia is the trusted advisor of corporations, utilities, governments, international agencies and infrastructure investors around the world. We solve complex, strategic assignments and deliver sustainable, measurable results.