Abena Darden specializes in sustainability consulting at Thornton Tomasetti, where she leads the strategic development and implementation of sustainability priorities and goals for complex building portfolios. Her work includes sustainability performance planning, design-build delivery support, embodied carbon analysis, and stakeholder engagement for master planning, healthcare, residential, hospitality, life sciences, and higher education projects.

Abena develops policies, guidelines, and sustainability frameworks that integrate environmental performance into clients’ core values, missions, and operational practices. She also helps organizations translate these strategies into third-party rating system frameworks and certifications, supporting consistent, portfolio-level sustainability outcomes.