Cecilia Andrea Arrieta de la Maza

Nicolás Domínguez is a top attorney recognized by Best Lawyers in the practice area(s) of Private Equity Law. Nicolás, partner at Sanhueza, Díaz & Domínguez (SD&D), Chile, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Nicolás is held by other top lawyers in the same geographic and legal practice area.

Lorna Püschel Hoeneisen is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law. Lorna, 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 Lorna is held by other top lawyers in the same geographic and legal practice area.

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.

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)...

Ignacio Mujica Torres is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law. Ignacio, 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 Ignacio 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.

Valentín Pimentel Alvarado is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Valentín, who practices law in Santiago, Chile, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Valentín 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 ...

Miguel Aylwin Oyarzún is a top attorney recognized by Best Lawyers in the practice area(s) of Arbitration and Mediation. Miguel, 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 Miguel is held by other top lawyers in the same geographic and legal practice area.

Luis Carlos Valdés Correa is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Mergers and Acquisitions Law. Luis Carlos, who practices law in Santiago, Chile, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Luis Carlos is held by other top lawyers in the same geographic and legal practice area.