Built on economics.
Looking ahead.

Founded in Costa Rica in 1996, Leyden brings an economic perspective to decisions about development, investment and institutional change.

A focused firm.
A connected network.

Our model brings together senior expertise and a network of professional consultants and strategic firms across Latin America, the Caribbean and other regions.

We translate specialist analysis into clear decisions for technical teams, institutional leaders and nontechnical audiences.

1996

Leyden is founded in Costa Rica.

2011

The firm expands its international orientation.

2026

A renewed positioning connects economic advisory, applied AI and strategic intelligence.

Meet our founder ↗

SHARED PROJECT EXPERIENCE

Consultants and international institutional experience

Our experience brings together complementary capabilities from consultants we have collaborated with on projects. Meet an initial selection of consultants who have worked with Oswald or participated through Neural Coders in projects with Leyden.

Consultants we have collaborated with

Collaboration with Oswald · Costa Rica · 2014

Vidal Gómez Zúñiga

Economic analysis and investment appraisal

Economist with experience in economic project appraisal, social prices and quantitative analysis. Worked with Oswald Céspedes-Torres on the study estimating Costa Rica’s social discount rate within a public-investment social-pricing methodology.

Collaboration with Oswald Céspedes-Torres

José Francisco Pacheco Jiménez

Public finance, social protection and policy evaluation

Economist with experience in public finance, social protection and health financing, public expenditure reviews and programme evaluation. His capabilities include fiscal-space analysis, cost estimation and quantitative modelling to support public-policy decisions. He has collaborated with Oswald Céspedes-Torres on consulting projects.

These profiles describe previous collaborations. They do not imply current employment, availability or membership in a permanent team.

INSTITUTIONAL EXPERIENCE

International Financial Institutions (IFIs)

Selected international financial institutions for which Leyden has carried out consulting assignments.

WBG

World Bank Group

Consulting assignments include the design of an AI-enabled regulatory tool for FIRA in Mexico and work on the SIGES education information system in El Salvador.

IDB