Cristián specializes in urban planning regulations and the processing of municipal and governmental permits. With over 12 years of experience, he has participated in residential, industrial equipment, and warehouse projects, offering a rigorous and updated approach in light of ongoing regulatory changes.

He began his work in the regulatory aspects of construction projects at the Department of Public Works in the Municipality of Maipú, where he reviewed building and urban planning permit applications, conducted site inspections, and coordinated between public agencies. This role provided him with deep knowledge of the General Urban Planning and Construction Law, its corresponding Ordinance, and various complementary and interpretative regulations.

He then joined Rilop Real Estate as a contributing architect, focusing on low-density residential development, where he contributed to land evaluation, coordination of technical specialties, architectural design, and site supervision. As an independent reviewer, he is noted for his personalized project management approach and commitment to staying up-to-date with regulatory changes, offering services to companies needing building regularization or assessment of future developments.