By integrating engineering with architecture and responding sensitively to the local climate and available resources, a building can reduce its negative impact on the environment and create happier building users.

Tilly Lenartowicz, MCIBSE

Director, Environmental Engineering Lead
Kigali, Rwanda

Tilly joined MASS in September of 2018 as an Engineers Without Borders Fellow to support the engineering team in the Kigali office. She now leads a team of building services and environmental engineers to deliver climate-responsive, healthy, and energy-efficient building and system design.

Before joining MASS, Tilly worked in London for 5 years, first as an Environmental Design consultant for Atelier Ten and then as Building Services and Environmental Engineer for Ritchie+Daffin focusing on low-carbon building and system design.

Tilly graduated with a Bachelor of Science in Mathematics from the University of Edinburgh where she also studied for one year abroad at the University of British Columbia before completing a Master of Science in Environmental Engineering at Imperial College London. Tilly is a Member of the Chartered Institution of Building Services Engineers.