As part of the UCD College Management team, he works alongside other senior leaders like Professor Aoife Ahern (Dean of Engineering) to maintain the school's global standing. Under his leadership, the school emphasizes a holistic approach to the built and natural environment.

Similar to his colleagues at UCD, his work often crosses over into , providing research-backed insights to help Ireland meet its sustainability goals and carbon budgets. Mark Scott | About | University College Dublin

: He contributes to both undergraduate and graduate education, particularly within the UCD School of Architecture, Planning & Environmental Policy .

Professor Lennon's career bridges the gap between urban planning theory and the practicalities of environmental policy. His role at UCD involves leading a multidisciplinary school that integrates architecture, landscape architecture, and environmental policy.