About us

Plant Professionals

PI EPSILON, to execute its projects has a team of highly trained professionals in different disciplines of knowledge. This enables PI EPSILON to directly cover the projects' needs. The following table presents PI Epsilon’s management professionals, including undergraduate studies, specializations or master's degrees, years of experience and position in company.

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PI EPSILON is a leading company with more than 12 years of experience in consulting engineering for infrastructure projects. It is dedicated to the design of complex projects with emphasis on the areas of civil engineering, mechanical engineering, electrical engineering, geology and geotechnics.


We pride ourselves on being an organization that is efficient, responsible, and committed to sustainable growth. We have gained national and international recognition for providing design and consulting services in successful projects.


Engineer Eduardo Lopera Vieco

Civil Engineer from University of Medellín, 1976. Master of Science in Civil Engineering from Colorado State University, CSU, (USA), 1979. Member of Antioquia’s Society of Engineers and Architects, SAI. Professor at University of Medellín, 1986 and 1991.

Work Experience:

INTEGRAL S.A.: 1976 and 2004, Design Engineer, Project Manager, Commercial Manager and Supervision Manager. ÁREA METROPOLITANA DEL VALLE DE ABURRA: 2004 and 2006, Subdirector of Metropolitan Projects. CONINSA RAMÓN H.: 2006–2010, National Manager of Infrastructure and Public Sector. Member of the Supervisory Council during construction of Porce III Hydroelectric Plant. PI EPSILON: General Manager 2011-2018. Advisor: 2018-To date.

Engineer Marco Aurelio Paz Valencia

Civil Engineer from Universidad del Cauca, 1968.

Full-time professor at the Faculty of Civil Engineering of Universidad del Cauca. Professor of the Landfill Project course at the Faculty of Civil Engineering of National University of Colombia, Medellín Section.

Work Experience:

INTEGRAL S.A.: 1970–1990. Design Engineer, Section Chief Engineer, Dam Department Deputy Director, Dam Department Director, Project Director, Principal Member of the Board of Directors, Alternate Member of the Board of Directors. GRANIPLAST LTDA.: 1990-2001, General Manager. Company. INDEPENDENT CONSULTOR: Consulting to Grupo Odinsa SA, Geominas Ltda., Sumicol S.A. P, Aguas de la Cabaña S.A. E.S.P. COMPAÑÍA COLOMBIANA DE CONSULTORES, CCC S.A.: 2006-2010 Director of Hydroelectric Projects. PI EPSILON: Technical Manager. Company that provides engineering consulting services, with emphasis on hydroelectric projects design.

Engineer Martín Eduardo Giraldo Cruz

Civil Engineer from University of Medellín, Specialist in Construction Management from University of Medellín. Member of Antioquia’s Society of Engineers and Architects, SAI, and of  the Colombian Chamber of Infrastructure where he currently serves as Member of the  Board of Directors of the Antioquia Regional Consultants Chapter.

Work Experience:

DIÁMETRO CONSTRUCTORES LTDA.: General Manager and Legal Representative. MEGC INGENIERO CONTRATISTA: General Manager. He held the positions of Project Director at CONSUPERIOR S.A. and MUROS Y TECHOS S.A. CONINSA RAMÓN H. Commercial and Project Director of the Infrastructure and Public Sector Strategic Business Unit (UEN ISP). RESTITUBO SAS. Colombian Company (Spanish parent company): General Manager in Colombia. SP INGENIEROS SAS.: Marketing and New Business Manager. AUTOPISTAS URABÁ SAS (Vía al Mar 2 Road Concession): General Manager – Legal Representative. He currently holds the position of General Manager at PI ÉPSILON, Proyectos de Ingeniería Especializada, S.A.S.