Professional Experience
Stac Duff is a Director, Building Engineering with the Property Management division in Stream’s Austin office. In this role, Stac supports building performance, engineering operations, and real estate portfolios across commercial construction, project management, and facility operations. Stac’s focus includes operational excellence, engineering and facilities leadership, project management, and optimizing building systems across diverse asset types.
Before joining Stream, Stac held senior engineering and facilities leadership roles at Trammell Crow, CBRE, Cousins Properties, Dimensional Fund Advisors, and Cushman & Wakefield. With more than 30 years of facilities and engineering leadership experience, Stac brings a proven track record of delivering reliable, high-performing building operations and leading high-impact teams.
Clients Represented
- IBM
- Tokyo Electron
- Nuveen
- MetLife
- Principal
- Dimensional Fund Advisors
Education
- Associate’s Degree in Heating, Air Conditioning, Ventilation and Refrigeration Maintenance Technology, Austin Community College
Affiliations & Designations
- Austin Association of Facility and Maintenance Engineers – Member
- LEED Green Associate
- IFMA Facility Management Professional (FMP)
- BOMI SMA and FMA
- EPA Section 608 Universal Certification