Brennan Schumacher,
IES, LEED AP

Lighting shapes how people feel, heal, and connect to space. Brennan is known for bringing a deep understanding of human-centered design and sustainability to lighting strategies that help clients create environments that are both inspiring and high performing. 

With more than 25 years of experience in the industry, Brennan leads Mazzetti’s award-winning global Lighting Design Studio and supports healthcare and institutional projects across a wide range of geographies. His expertise spans advanced lighting analysis and modeling, biophilic and circadian design strategies, and the integration of emerging technologies that reduce energy use while enhancing visual comfort, clarity, and wellbeing. Clients rely on his ability to translate ambitious sustainability goals into practical, buildable solutions that perform over the life of a facility. A recognized leader in sustainable lighting design, Brennan influences the industry through published work, education, and leadership on award-winning projects that have set new benchmarks for performance and environmental responsibility. 

Brennan’s work supports Mazzetti’s benefit mission by advancing lighting solutions that improve human health, reduce environmental impact, and contribute to resilient, future-ready healthcare environments. These efforts help reduce energy consumption, promote visual comfort, and set new industry standards for environmental responsibility. Through his leadership, education, and published work, Brennan actively shapes the industry, empowering healthcare and institutional clients to realize environments that are inspiring, efficient, and adaptable to future challenges.