Team

Colibrí Sanfiorenzo Barnhard
Executive Director

Colibrí Sanfiorenzo-Barnhard has a background in ecology and administration. For the past 15 years, she has worked in the nonprofit sector with community groups that develop education, conservation, and cultural grassroots actions in Puerto Rico. She is co-founder of HASER. Her background in action-based field ecology research, and her experience with diverse community groups have shaped her vision for social change in Puerto Rico, which focuses on understanding that just and equitable actions done at neighborhood level can cause meaningful global change.

K. Paola González Sánchez
Co-Director | Accounting

Paola has a bachelor’s degree in Business Administration from the University of Puerto Rico, Río Piedras campus and a master’s degree in Agricultural Economics, also from the University of Puerto Rico, Mayagüez campus. She has experience in the administration of agricultural projects and non-profit organizations. For Paola, it is of great value to put her knowledge at the service of justice and social equality.

Anahí Lazarte Morales
Co-Director | Communications, Strategy & Development

Anahí has 17 years of experience in Development and Communications for non-profit organizations. She holds a bachelor’s degree in journalism from the University of Puerto Rico and a master’s in communication from the University of Illinois in Chicago. Anahí has held roles such as News Director at Radio Universidad de Puerto Rico, Director of Development and Marketing at Our Lady of Grace School in Chicago, and Communications Manager at the Center for Puerto Rico. She has worked with various organizations, including the National Environmental Law Association, Latino Public Radio Consortium, the Kinesis Foundation, and Beta-Local. She has been collaborating with HASER since 2017.

Cynthia González Belén
Communications & Development Manager

Cynthia holds a bachelor’s degree from the University of Puerto Rico, Río Piedras Campus, and has completed master’s level studies in Media Research and Theory from the same institution. She studied at the International Film and TV School of San Antonio de los Baños in Cuba and took accounting courses at the University of the Sacred Heart.

After more than 20 years in Puerto Rico’s film industry, she decided to join HASER. She made this transition to contribute to a better Puerto Rico by fostering solidarity and collaboration toward more equity and social justice.

Nilda Pérez Rivera
Accounting Manager

Nilda graduated with a degree in Communications from the University of Puerto Rico, Arecibo Campus. She holds a public relations certification from the same institution and a marketing certification from the University of the Sacred Heart. She joins our team with several years of experience in Puerto Rico’s advertising and film industries, excelling as a producer, coordinator, and accounting assistant.

For Nilda, working at HASER is a great opportunity to contribute her experience and dynamism to our organization, making a small but meaningful impact on the well-being and development of community groups in Puerto Rico.

Board of Directors

Yamira Flores Rodríguez
Board of Directors, President

Yamira is a professional with more than 15 years of experience in designing, managing, and strengthening social and educational programs, with a strong focus on strategic planning, organizational engineering, and efficient structuring of non-profit organizations. Her career includes the development, administration, and implementation of federally and privately funded programs, as well as the creation of operational models focused on results, sustainability, and community impact. Throughout her career, she has accompanied organizations in complex processes of institutional reorganization, strategic decision-making, and internal capacity building, particularly in contexts of rapid growth or organizational crisis. Her experience combines strategic vision, operational knowledge, and community sensitivity, contributing informed governance, technical expertise, and collaborative leadership in decision-making spaces. She is currently a consultant with a focus on organizational engineering, community planning, and institutional design, supporting entrepreneurs and organizations so they can concentrate on their services and products without the burden of creating specialized departments.

Tania Rosario-Méndez
Board of Directors

Tania is an organizer, public health professional, and human rights advocate born and raised in Puerto Rico. She combines her master’s degree in public health from the University of Puerto Rico with more than 18 years of experience in the nonprofit sector. Since 2016, she has led the historic Puerto Rican feminist organization Taller Salud, focused on reducing health inequalities, achieving gender equity, and eradicating violence in historically marginalized communities. Her goal is for health, peace, development, and wellbeing to become social guarantees for everyone in Puerto Rico. She serves on the board of directors of Puerto Rican and international organizations. Tania is also a member of the Environmental Justice Resource Mobilization Collective at the Kataly Foundation, and part of the strategy team of the Organizing Resilience coalition. She is part of the faculty of the Master’s in Cultural Management department of the Interdisciplinary Studies Program at the University of Puerto Rico. She is a theater director and teacher, a cultural and community organizer, a full-spectrum doula and a prenatal educator.