Sustainability is no longer a choice; it is a long-term survival strategy. And for those willing to take the lead, it offers the greatest economic opportunity of our time.
Who we are
Climate change is an urgent reality, threatening lives, livelihoods, and future prosperity. As nations, corporations and communities face its impacts, the commitment to limit global temperature rise to 1.5°C requires ambitious action and collaboration.
At onepoint5, we are a team of seasoned experts dedicated to empowering both public and private sector clients on their journey toward a sustainable future. With decades of experience and a unique ability to convene key stakeholders, we guide organizations in tackling today’s most pressing climate challenges and seizing new opportunities for innovation and leadership.
Our expertise spans across research, climate risk and opportunity assessments, and strategic stakeholder engagement, enabling us to deliver groundbreaking sustainability solutions. We work closely with clients to align their initiatives with global climate goals while offering hands-on support for the seamless execution of strategies. Whether you’re navigating complex policy landscapes or driving innovation, we’re here to help you stay ahead of the curve and make meaningful progress toward a sustainable future.
Our services
Research and policy briefings
Understand and anticipate developments in the international climate agenda and their likely effects.
Risks & opportunities assessment
Identify the impact of climate-related issues and advise on optimised responses and sustainability strategies.
Stakeholder relations
Facilitate engagement with relevant actors in the climate space and create new opportunities for sustainable development.
Innovative sustainability strategies
Articulate groundbreaking and disruptive initiatives that drive sustainability forward.
Alignment with global pledges and initiatives
Assist governments, companies and other organisations in their efforts to reconcile growth with sustainability, in accordance with international commitments and national policies.
Engagement in multilateral fora
Strengthen our clients’ constructive engagement with the international climate agenda.
What differentiates us
- We understand the international climate architecture better than most, as we contributed to shape it and whose evolution and implications we study closely.
- Our approach is firmly grounded on science and the global vision and goals laid down in international instruments on climate and environmental issues.
- Decades of experience in international affairs have provided us with a solid expertise across sectors and geographies, along with a wide network of contacts, institutions and likeminded experts in sustainability and other related areas.
- Our team is focused on reconciling the urgent need for ambitious climate action with the equally vital imperative to ensure businesses and economies can continue to prosper.
- We provide client-specific solutions and a comprehensive end-to-end support, offering actionable strategies with measurable impact.
Our approach
- Comprehensive initial consultation and detailed needs assessment
- In-depth analysis of organizational context, industry trends, and socio-economic factors
- Strategic development of tailored sustainability strategies and detailed actionable plans
- Hands-on implementation support and guidance throughout the process
- Ongoing monitoring, evaluation, and adaptation for sustainable progress
- Long-term partnership and support for achieving lasting impact
Our Story
Inspired by the work of our co-founder, Patricia Espinosa, who is an acknowledged leader in the climate-action space, a group of visionary founders and a team of sustainability specialists came together with the common goal of working to address the climate crisis to protect both people and the planet.
Our team
Patricia Espinosa Cantellano
CEO & Founding Partner
Patricia is a respected leader and influential voice on the global stage, with more than 35 years of experience at the highest levels in the fields of sustainability, multilateralism, global governance, environmental stewardship and gender equality.
Prior to founding onepoint5, she was the Executive Secretary of the United Nations Framework Convention on Climate Change (2016-2022), leading the transformation of the organization towards supporting the full implementation of the Paris Agreement globally.
Raul Heredia Acosta
Chief of Staff
Raul is a seasoned diplomat and former Mexican Ambassador with a thirty-year career in international relations.
Maria Rivera Espinosa
Founding Team & Chief Operations Officer
Maria is a climate activist and has worked as an advisor to promote and raise awareness of changes required to move.
Gonzalo Canseco Gomez
Director
Gonzalo, a former Special Advisor to the UN Framework Convention on Climate Change, provided consultancy services.
Mariana Salazar Albornoz
Director & General Counsel
Mariana is a renowned international lawyer with more than 22 years of experience in the multilateral, public, private, civil.
Diego Reyes
Senior Manager
Diego is a seasoned manager with twelve years of experience in international business development across corporate environments, public sector, and INGOs.
Edna Martinez
Manager
Edna is a seasone consultant in sustainable development and public policy. With over fifteen years of experience, she.
Alitzel Verspecht
Consultant
Alitzel is a senior associate at onepoint5, with experience in both the public and private sectors, primarily in the analysis.
Brenda Mariana Huerta
Manager
Brenda was born in Juarez, Mexico, grew up in Monterrey and has a degree in Sustainable Development Engineering.
Emile de Ganay
Associate Consultant
Emile is an associate consultant at onepoint5 and responsible for the company’s communication as well as.
Emmanuel Silva
Analyst
Emmanuel is an analyst at onepoint5. He studied Political Science with a specialization in Political Philosophy.
Ana Del Real Bio
Analyst
Ana is an Analyst at onepoint5. She holds an MA in Human Rights and Cultural Diversity (with Merit) from the University of Essex.
Haya Abudayyeh
Analyst
Haya Abudayyeh is an analyst at onepoint5 with a background in climate change and international relations.
Susana Montero
Executive Assistant to the CEO
Susana is professional administrator with
20+ years of experience in event organization, executive.
Consuelo Telo
Executive Assistant
Consuelo is an Executive and Project Assistant with a strong background in project coordination, schedule.
Marycarmen Muñoz Serrano
Office Manager
Marycarmen is a Mexican lawyer specialising in civil law with an outstanding career in the legal field and a deep passion.