Celina, or Macy as she is commonly called, has over 18 years of experience in sustainability, covering work in strategy development and operationalization, stakeholder engagement, and building sustainability culture. Her research interests have included coral reef ecology and fisheries, decent work in the aquaculture sector, and science communication. Her current work in circular economy involves developing solid waste management programs, participant training, and advising obliged enterprises on compliance with the Extended Producer Responsibility Law.