About Us

Roy Donoso

Roy Donoso has experience as an entrepreneur, architect, and builder in the United States, Latin America, and Europe.

Roy’s professional responsibilities have included business development, marketing, capital raising and funding, project management; as well as construction management and field supervision. 

At SUMAC, Roy manages business relations, deal structuring, contract negotiation, corporate strategy and overall business development in the United States, Latin America, and Europe.

Ronald Dean

Ron Dean has experience as an architect and contractor in both Illinois and California with an emphasis on sustainability and energy efficiency.

Ron’s professional responsibilities have included: architectural design, construction management, energy audits, commissioning, project management, and construction supervision. Ron manages programming, structuring agreements, technical specifications and delivery of projects in multiple projects in the United States and Latin America.

Nick Georgiou

Nick is a licensed architect since 1982, with a broad background in all phases of new construction, complex rehabilitation, and remodeling. Experience includes aviation, industrial, municipal, commercial, retail, and residential occupancies. Responsibilities and roles include Owner’s Representative, Project Principal, Project Manager, Architect, and Construction Administrator in multiple client environments.

Estefany Aranguren

Estefany has more than 6 years of experience in the sustainable construction sector. She has experience in interior design and commercial architecture in Lima, Peru, with emphasis on management and development of sustainability projects. Her passion for building materials and sustainability allowed her to develop Catalogogreen.

Estefany has a master’s degree in Marketing Management and Commercial Management endorsed by the Universidad Politécnica de Catalunya, Spain.

Carlos Bueno

Carlos has several years of work experience in the financial industry in Peru and the United States, currently, Carlos is responsible for the operations of the Peru office.

Isabella Chaves

At SUMAC, Isabella is in charge of overseeing administrative processes and implementing new organizational procedures to facilitate customer service, in addition to carrying out the company’s accounting management, always seeking efficiency and effectiveness.

Valeria Gómez

Milena Maldonado

Milena is part of SUMAC in the area of business development as a systems assistant with experience in sales, after-sales service and customer service.

Cinthya Martinez

Administrative Coordinator oriented to teamwork. Cinthya has experience working in companies in the construction industry for more than 5 years.

She works in the SUMAC team developing administrative management. Her responsibilities include collaborating with the accounting area regarding the coordination of payments, inventories, and billing among other tasks.

Federico Meneses

Civil Engineer graduated from the Universidad de los Andes in Bogotá – Colombia. He has great passion in management, innovation,
development, bidding for projects and sustainability.

Federico has knowledge in management strategies, project development and seeks that the projects in Colombia follow the guidelines of sustainability.

Catalina Morales

Chemical Engineer and Environmental Engineer graduated from Universidad de Los Andes in Colombia. She currently serves as Operations Manager in Colombia. Catalina has over 8 years of experience, high knowledge in Colombia’s sustainable construction market and she is an accredited LEED Green Associate professional.

She also works as an expert advisor in the construction and development of projects so that they can obtain benefits offered by the Colombian Government to sustainable and energy-efficient buildings projects.

Diana Pimiento

Dedicated and proactive Civil Engineer with extensive knowledge of engineering principles, theories, specifications and standards. Bringing leadership, drive and over four years of experience in the development of financial structuring, business plan, budget planning, balance sheet and related activities. Diana has professional interest and knowledge in project management with emphasis on sustainable construction and construction materials.

Juan Rivera

Juan is a civil engineering professional with a master’s degree in Construction Management.

Juan has extensive experience in public procurement, management and project management, sustainable construction (LEED certification – EDGE), productive and administrative processes thanks to his more than 15 years as an entrepreneur.

María Rocío Ruggeri

Architect received at the University of Mendoza – Argentina. Rocío has experience in architectural design in projects of different sizes. Currently she’s very interested in the sustainable aspect of the projects and seeking to develop as a professional in this area, she’s now part of the SUMAC team.

Gracia Roldan

Gracia has more than five years of experience in the field of construction. The passion for sustainability and healthy living has led to motivating people to follow this line of life and encourage sustainable construction. Gracia is certified as a LEED Green Associate.

Lupi Ruiz

Lupi has been working in the sustainable construction industry for 10 years. She was part of the original team that formed the Green Building Council in Peru until its consolidation.

For 7 years Lupi has been part of our sales team, in charge of maintaining continuous contact and providing assistance to our customers, in order to guarantee their satisfaction with SUMAC services.

José Zapata

José is a graphic designer with more than 7 years of experience working for different clients with different business areas.

Passionate about illustration, fashion, and art, José brings the best of his experience to the SUMAC team day after day.

Luis Alvarado

Mechanical and Electrical Engineer by profession from the National University of Engineering (UNI), with a postgraduate degree in Project Leadership, Maintenance and Quality at the same university. Luis has a lot of experience in construction, project management and remodeling of the public and private sector in Peru, Chile, Colombia and Ecuador.

Julián Araujo

Architect graduated from the faculty of architecture of the Peruvian University of Applied Sciences (UPC). High technical capacity, committed, methodical, organized, and oriented to action and results. Julián knows how to work as a team through constructive and trustworthy interpersonal relationships thanks to his rapid adaptability to any work environment.

Luis Carreón

An architect by profession at the Peruvian University of Applied Sciences with a postgraduate degree in Construction Management and an MBA from the UPC.

Luis has extensive experience in the evaluation and management of construction projects. He led real estate projects nationwide, participating in the negotiation and acquisition of real estate assets with operating cash flows. In addition, Luis has experience in management with municipal, rural and associated associations.

Jorge Gastelú

Civil Engineer with more than 10 years of experience in infrastructure projects of great importance in the field of hospitality, retail, industrial plants, buildings and mining with experience as a work resident.

María Paz Otero

Maria Paz is a specialized architect in sustainability. She completed a Master’s Degree in Architecture and Sustainable Habitat, she is also a LEED Certified and participates in several projects in Argentina and Chile.

Paz has experience in architectural design, project manager, construction administration and energy audit. María Paz took sustainability as a life project, from the side of teaching and research at USAL (Universidad del Salvador). She also makes her own natural products at home to avoid chemicals.

Renzo Rabines

Renzo is a person with solid integral formation in leadership, initiative, responsibility, communication, punctuality, effectiveness and with clear goals.

Renzo is a dynamic person with the ability to work in any area that is assigned to him.

Tomás Sahuaraura

Electrical engineer with experience in buildings of various types, including shopping centers and offices.
Tomás has great leadership skills and the ability to integrate and work as a team, providing creative solutions by applying engineering techniques and tools.

Leslie Berdiales

Collegiate architect with specialised in Bioclimatic Design from the University of Cardiff in the United Kingdom. Account for the LEED AP ID + C accreditations, EDGE expert and auditor.

Her responsibilities and experiences include architecture, development of real estate projects, and consultancy in bioclimatic design, sustainable certifications such as LEED and EDGE in various projects, including state institutions, corporate buildings, buildings for rent or sale, colleges, universities, department stores and shopping malls .

Esteban Cervantes Toledo

Esteban is a professional architect interested in architectural design, research, and teaching, with a focus on sustainability. Graduated by the Higher Technical School of Architecture of Madrid, ETSAM, he obtained his Master’s degree with a specialization in Advanced Architectural Project Design in 2014.

Has 10 years of experience as a developer of projects of different architectural typologies such as offices, housing, commerce, education sector and urban and landscape projects both public and private. He participates in several projects in Ecuador and Peru.

Lizbeth de la Cruz

Lizbeth is a graduate of Architecture from the National University of Engineering (UNI). She participated as bioclimatic manager in the Játi project (finalist team in the Solar Decathlon Latin America 2019).

Currently, he participates in the course “Architectural Design for Energy Efficiency in Buildings”, which is part of the training program supported by the German Federal Ministry for the Environment, Nature Conservation and Nuclear Safety (BMU). He is also the leader of Mashay, an enterprise that supports the dissemination of sustainable practices.

Jaskran Kalirai

Jaskran Singh Kalirai is a British architect, son of Punjabi parents, who arrived in Ecuador in 2002.

Jazz received a remarkable academic training at Leeds University, England, and the University of Pennsylvania, United States. During his training, he had the opportunity to be a student of great architects such as Enrique Norten and Daniel Libeskind, with whom he worked on the World Trade Center Memorial project, after the attacks of September 11, 2001, in New York. In the same city, Kalirai worked as a corporate project designer at the international architecture firm KPF.

Vanessa López

Graduated architect from the Pontifical Catholic University of Peru (PUCP). She has 7 years of experience in advising on LEED certification processes, as well as in sustainable architecture. Vanessa has LEED AP BD + C, O + M accreditations and is EDGE expert.

She also has a specialization in Project Leadership and is part of the LEED International Roundtable team in Peru since its inception. She is passionate about languages, fluent in French and English.

Leonel Sulca

Carlos Torres

Graduated architect from the San Antonio Abad University of Cusco (UNSAAC). Carlos has 15 years of experience in the development and execution of public and private projects, highlighting his experience in Real Estate Project Management in the Hospitality sector, Retail and Corporate Offices with LEED Certification. It has LEED GA Accreditation and also with two specialties in Project and Construction Management at the Peruvian University of Applied Sciences (UPC).

Kate Troutman

Lorenzo Villoslada

Lorenzo has been part of the SUMAC team since 2013. He has been working as Project Manager in the development of projects that seek LEED certification in Ecuador and Peru. Lorenzo has participated in corporate projects, interior commercials, universities, housing in both the private and public sector.

Lorenzo has the acreditations LEED AP DB+C, ID+C, EDGE Expert and Auditor and Fitwel Ambassador

Nicolás Vivas

Nicolás is a designer with more than 8+ years in architectural design specialized in a wide range of typologies of low and mid-rise buildings including residential, commercial, hospitality and interior design projects in Ecuador, Peru, Italy, and the United States.

He completed a Master’s degree in Industrial Design at Politecnico di Milano in Milan – Italy in 2017. After completing his program he worked for the American award-winning design studio Brooks + Scarpa based in Los Angeles – California developing residential, commercial and mixed-use buildings.

Pablo Landeo

Architect graduated from the National University of Engineering (UNI) in Lima, Peru. Pablo is part of the technical sustainability team at the SUMAC office in Peru, where help us review projects that seek EDGE and Bono verde (local sustainable certification) certification.

Edwin Alvis

Mechanical Engineering, graduated from the Universidad Nacional de Ingeniería (UNI). Edwin apply his skills in the area of project management, specializing in energy analysis, energy modeling, commissioning and electrical engineering studies in general. Edwin has the LEED GA accreditation.

Carlos García

Civil Engineer graduated from the Francisco José de Caldas District University in Bogotá, Colombia. Carlos applies his skills in order to support the technical area in variety processes related to sustainable construction certifications.

Dante García

Dante has been part of the SUMAC team since 2012, working from the Peru office in projects throughout Latin America. His responsibilities and experiences include energy auditing and energy modeling in projects of various types.

It should also be noted that he has participated as a speaker in several courses and talks on sustainability and certifications.

Daniel Gutierrez

Mechanical Engineer graduated from the National University of Colombia. Expert in mechanical ventilation and air conditioning, highly-experienced in pumping systems, thermal equipment, fire network, among others. In recent years he has conducted Commissioning processes for high energy performance construction projects and optimization of resources. Daniel has also participated in the development of energy models and bioclimatic studies for projects of various types. He is a LEED AP O + M accredited professional.

Gianmarco Gutierrez

Gianmarco belongs to the SUMAC team since 2017 in the engineering area where he has been carrying out energy reviews and commissioning in several projects of different types, including corporate and retail offices.

Gianmarco is fluent in English and Italian and is passionate about mathematics, for which he has participated and won several competitions.

Alejandro Morales

Alejandro has worked professionally in the field of civil engineering, working in consultancy for sustainable construction projects. He has also developed activities in the course of his experience as technical supervision on site, advice on designs and sustainable construction as well as project management.

He is currently an accredited LEED AP BD + C professional and is part of the technical team providing advice to different projects in Colombia on sustainability issues such as integrated process, architecture, use of water resources and waste management during the construction of others.

Julián Niño

Mechanical Engineer with experience in the construction and industrial sectors. In addition, he has participated as a project leader in multiple air conditioning design and consulting projects in different sectors of the sustainable construction industry.

He has 6 years of experience in sustainable USGBC certification processes such as LEED, WELL, Sites, LEED for Cities and Communities, among others, and developing energy models, thermal load analysis and comfort.

Julián has LEED AP BD + C, ID + C, O + M and QCxP (Quality Commissioning Provider) accreditations from the University of Madison Wisconsin.

Laura Vega

Laura is an Environmental Engineer with experience in coordinating different types of construction projects that seek international certification systems in sustainability.

In addition to supervising the development of projects, she also provides advice and supports on-site with the implementation and compliance of environmental strategies that allow mitigating the negative environmental impacts caused during construction. She is an accredited LEED AP BD + C and EDGE Expert professional.

Rommel Enriquez

Specialized in Financial Engineering and International Business. Graduated MBA from Madrid IE Business School.

Rommel has worked in different executive positions and positions of high managerial responsibility. He has been part of the negotiation teams related to investment banking products with foreign banks such as Goldman-Sachs. He is in charge of international financing management at SUMAC.

Juan José Crespo

Ambitious, fervent, creative Architect, Development and Project Manager with 10+ years of success overseeing design and construction and of all types of properties and projects. Strong ability to identify appropriate locations and oversee projects from the planning phase through to launch of operations.

Dedicated, results-oriented, master-level business development consultant with an entrepreneurial mindset and over 10 years of success in the areas of business and operations management, new business development in real state and construction. Analytical, innovative professional with strong business acumen dedicated to leading teams in meeting and exceeding operational targets. Investment funding and high networking skills.