The Environmental Coalition on Standards (ECOS) is an international NGO with a network of members and experts advocating for environmentally friendly technical standards, policies and laws. For over two decades, they have shaped environmentally ambitious standards, policies and laws in areas such as the clean transition to a circular economy, building a renewable and efficient energy system and fighting greenwashing. They are also pushing for a more inclusive, open and transparent standardisation system at all levels, and the appropriate use of standards in support of environmental legislation and policy.

As Head of the Circular Economy and Nature team at ECOS, Mariana leads efforts to advance environmental priorities in international and EU policy and to strengthen the representation of environmental interests in standardisation. She is responsible for developing and implementing ECOS’ strategy on Circular Economy and Nature.