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

A Holistic Approach to the Future of Cybersecurity

November 20, 2018

The term cybersecurity is commonly associated with the protection of digital data from theft or compromise by hackers. However, from our perspective as a data center provider, most enterprise customer breaches aren’t the result of cyber criminals inventing new ways to do damage. Read More

How Data Center Providers Can Sustain Uptime and Prevent Losses

October 25, 2018

Hurricane season has already begun, and many enterprises are looking for assurance that their data center providers can sustain uptime and prevent costly losses during a natural disaster. At Stream, we believe that the best defense against unplanned downtime during a time of crisis is to go on the offense when it comes to planning, preparation and execution. Read More

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