Stewart Collier
2001 Ross Avenue
Suite 400
Dallas, Texas 75201

Stewart Collier

Managing Director, Critical Environments

Whether in normal conditions or when disaster strikes, Stream customers count on Stewart’s Critical Environments Services team to keep essential operations up and running without interruption. Under his leadership, Stream’s cross-functional team is responsible for the ongoing operation of all data center facilities across a combined portfolio of Stream-owned and managed properties. Stewart also spearheads the data center team’s Critical Environments Training Academy, which leverages industry-leading educational resources in areas such as health and safety, cross-functional discipline skillset development and human factors training.

As an industry veteran with more than two decades of experience in operational management, Stewart served in leadership roles at world-class infrastructure and commercial real estate groups including Balfour Beatty Workplace and CBRE before joining Stream in 2017.

Education & Designations

  • Bachelor of Engineering – Aeronautics/Aviation/Aerospace Science and Technology – The University of Nottingham
  • Certified Data Centre Design Professional (CDCDP)
  • Authorized High Voltage Switching Engineer 11KV (Burn Hall York)
  • Accredited Tier Specialist ATS (Uptime Institute)
  • Diploma in National Examination Board in Occupational Safety and Health (NEBOSH)


  • Member of the British Institute of Facilities Management (MBIFM)

Recent Publications by Stewart

Maintaining Uptime Throughout a 1,000-Year Storm

March 1, 2018

When lives are at stake, the last thing businesses want to worry about is the health of their IT systems. Fortunately for customers of Stream Data Centers, when 1,000-year storm Harvey came to town, they didn’t have to. Read More