Research programs evolve faster than buildings — and facilities that cannot adapt create both operational and recruitment problems for the institutions they serve. Session leaders present the latest innovative designs for holding rooms, procedure spaces, and behavioral study areas that allow rapid reconfiguration in response to shifting scientific demands. They illustrate solutions for integrating natural light and exterior views into staff circulation zones while preserving rigorous light control in sensitive animal areas, demonstrating how thoughtful facility expansion can simultaneously increase programmatic capacity, strengthen regulatory compliance, and meaningfully improve the daily working environment for animal care staff.