Andrés Rioseco

Tomás Menchaca Olivares is a top attorney recognized by Best Lawyers in the practice area(s) of Arbitration and Mediation and Competition / Antitrust Law. Tomás Menchaca, who practices law in Santiago, Chile, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Tomás Menchaca is held by other top lawyers in the same geographic and legal practice area.

Alejandra Aguad D. is a top attorney recognized by Best Lawyers in the practice area(s) of Arbitration and Mediation, Corporate Governance and Compliance Practice and Real Estate Law. Alejandra, who practices law in Santiago, Chile, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Alejandra is held by other top lawyers in the same geographic and legal practice area.

Zandra Valenzuela is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Zandra, who practices law in Santiago, Chile, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Zandra is held by other top lawyers in the same geographic and legal practice area.

Ignacio A. Bolelli is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Ignacio A., who practices law in Vitacura, Chile, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ignacio A. is held by other top lawyers in the same geographic and legal practice area.

Abogado Litigante LLM in Trial (CWSL, USA, 2016). Especialista en Derecho Penal Económico y de la Empresa (U Castilla - La Mancha, España (2011). Asistente al I Programa Internacional para Abogados y Consejeros en Defensa de Derechos Fundamentales ante los Tribunales Internacionales (Siracusa, Italia, 2017 - 2018). Profesor de Derecho Penal Económico y Litigación Estratégica en Chile, Perú, Argentina, Ecuador y España. Presidente del Colegio de...

Pablo Vermehren D. is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Mergers and Acquisitions Law. Pablo, who practices law in Santiago, Chile, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Pablo is held by other top lawyers in the same geographic and legal practice area.

Roberto is the founding partner of our law firm. As senior partner, he gives legal, real estate and commercial assistance to both profit and non-profit entities, such as companies, educational foundations and institutes of public studies. He served as President and/or Director of the following companies and institutions: Vera and Giannini Impresores S.A.; Bosca Chile S.A.; Pizza Hut Chile; Constructora San Fernando S.A.; HK Human Capital S.A.; Ossandón Corredores Asociados S.A.; Santa ...

Expert in water law, natural resources and project development. His practice focuses on administrative and judicial procedures, the preparation of legal reports and opinions, and the preparation of legal strategies for the development of all types of investment projects, both for national and international clients. He also has experience in due diligence processes and in the preparation and negotiation of contracts. He has also been involved in the development of Chilean creative industries, ...

PROFESSIONAL BACKGROUND Law Degree, Supreme Court of Justice (1987). Law Degree, School of Law, Pontificia Universidad Católica de Chile, Santiago (1987). Master in Environmental Law, Universidad del Desarrollo (2016). Postgraduate degree in Environmental Law, Universidad del Desarrollo (2015). Master in Mining Law, Universidad de Atacama (2005). PROFESSIONAL EXPERIENCE Founder Claussen & Velasco law firm (2017). Legal Advisor, Universidad del Norte, Casa Central Antofagasta (1990)...

Constanza Contreras is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits Law, Immigration Law, Labor and Employment Law and Litigation. Constanza, who practices law in Santiago, Chile, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Constanza is held by other top lawyers in the same geographic and legal practice area.