Meet Our Team
Senior Management Team
World-class social entrepreneur. Safe housing advocate. Bricklayer. Dr. Elizabeth Hausler is the Founder and CEO of Build Change and a global expert on resilient housing, post-disaster reconstruction, and systems change. Elizabeth’s strategic direction and leadership have grown Build Change from a few employees in 2004 to a global team spread across five continents. She has profoundly influenced global development policy by making resilience a major consideration for reconstruction efforts.
A highly experienced leader of international development projects across the globe, Sibel Berzeg has overseen effective implementation of projects in more than 35 countries and some of the world’s most challenging and complex environments. Her experience includes more than nine years of field-based leadership experience (Chief of Party and Regional Director) in nine countries spanning the former Soviet Union, Latin America, South Asia and Kosovo.
Lizzie Blaisdell Collins is one of the world’s foremost authorities on the creation of building standards in the developing world where they never existed before. As an expert in earthquake-resistant engineering honed over 15 years of experience designing housing for high-seismic regions, Lizzie oversees the quality of Build Change’s technical and project solutions around the globe.
Juan Caballero has pioneered the use of seismic retrofitting for existing housing in international development. He is a noted disaster-resilient housing advocate and a trusted advisor to governments, multilateral organizations, and other partners on how to improve housing quality throughout Latin America and the Caribbean.
Sharon Cooley brings over 25 years of experience working on international development programs across the globe. She is a preeminent business development professional who has led the proposal and development function for large and small organizations, worked in city government, and served on the Board of Directors of the Society for International Development, elected to the post by industry peers.
With 20 years of experience leading organizations and programs in various capacities (Deputy Executive Director, Director for Operations, Regional Director), Arnel Capili is a highly experienced international disaster management specialist. He has been involved in several large-scale humanitarian responses in Fiji, the Philippines, Indonesia, Lao PDR, Taiwan and Myanmar. Arnel has also developed programs to strengthen the capacities of national and local disaster management organizations across Southeast Asia.
Manuela Pinilla Rodriguez combines her training in urban development and international cooperation with her background in anthropology to take a human approach to solving social and economic challenges. Over the course of the last decade, she has worked on both the national and international levels to improve access to water for hygiene and sanitation, as well as in post-disaster response, land rights and housing access.
Antoine Williams develops and enhances collaborative efforts and projects with city governments and private stakeholders in the south region as part of Build Change’s preventive strategy for the United States. Previously, he directed economic development programs of service, Tax Increment Finance programs, capital improvement project planning and management, and public-private partnerships.
Caribbean Program Manager
Louise Foulkes is the Caribbean Program Manager and a structural engineer, primarily focused on Build Change’s reconstruction and resilience projects in the Caribbean. She joined Build Change in 2017 after working in the UK and East Africa.
Sarah Wissler brings a background in professional services marketing and higher education communications to her role at Build Change. She is excited to amplify Build Change’s initiatives through creative storytelling opportunities and to partner with the organization’s global communications teams.
Mark Mangoba is a technologist with over 10 years working at various organizations in the .edu, .gov, and non-profit sector. From 2011–2015, Mark was at the helm of the technology department for the UCLA Hammer Museum (hammer.ucla.edu), leading the digital strategy, development and infrastructure teams. Mark has also worked for the Python Software Foundation (python.org)
Ani has led and supported several large-scale post-disaster recovery programs in Indonesia and the Philippines. She has developed and overseen initiatives related to resilience and disaster prevention for school and housing in Indonesia. Ani is an advocate for disaster-resilient housing and has led the Build Change advisory group on retrofitting options with the World Bank, as well as evaluation of the national housing subsidy program, in partnership with the Ministry of Public Works and Public Housing.
Director of Global Advocacy
Finance and Administration Staff
Global Office Administrator (HQ Global)
Finance & Admin Manager – SE Asia Pacific (HQ Global)
María Fernanda Holguín Alvarado
Finance & Admin Official (Latin America)
HR Manager (HQ Global)
Camilo Andres Angel
Accounting and Administrative Assistant (Colombia)
Winda Waspada Sari
Indonesia Finance & Admin Officer (Global – Indo)
Advocacy and Development Staff
Major Gifts Officer (HQ Global)
Martina Will, Ph.D.
Senior Grant Writer/Fund Development Officer (HQ Global)
LAC Fund Development Manager (Colombia)
Program Management Staff
Lead SE Asia-Pacific (HQ Global)
Technology for Engineering Project Manager (HQ Global)
Adriana Duque Pardo
Engineering Professional (Latin America)
Project Manager – Technical Services (Philippines)
Engineering Program Associate (HQ Global)
Senior Advisor, Engineering (Global)
Alejandro Guerrero Andrade
Engineering Professional, BIM Specialist (Global)
Engineering Consultant (Global)
Camilo Rodriguez Munoz
Engineering Assistant (Colombia)
Colombia Technology Civil Engineer (Colombia)
Charles Ciro Tabares
Engineering Professional (Colombia)
Samantha Kay Lisay
Designer Architect (Philippines)
Lead Engineer (Colombia)
Senior Builder Trainer (Philippines)
Technology Program Manager (Global – Nepal)
Application Developer (Global – Nepal)
Full Stack Developer (Global – Nepal)
Wordpress Developer (Global – Nepal)
Maria Camila Ordonez Valencia
Communications Officer (Latin America and Caribbean)
Program Officer (Philippines)