Prof Ian Bitterlin

Critical Facilities Consulting Ltd

CEng BSc(Hons) BA DipDesInn



Ian is a UK Chartered Engineer with more than 50 years’ experience working in engineering, with 28 years’ experience in data-centre power and cooling that followed 22 years in rotating electrical machines and variable-speed drives.

Starting as a technician apprentice in 1968 Ian studied ONC/HNC Electrical Engineering, a BA in Pure & Applied Mathematics, a First-Class Honours degree in Technology and a post-graduate Diploma in Design & Innovation.

Now principal consultant at Critical Facilities Consulting, Visiting Professor at the University of Leeds for data-centre engineering, CTO at Prism Power Ltd & Technical Expert at HKA.

Since 1989 data centre industry experience has included:

  • Sales Director of Anton Piller UK, Cirencester, responsible for the first Piller DRUPS in the UK and sat on the design committee for the ‘Powerbridge’ flywheel product, £7m sales, 6 staff in the UK
  • Managing Director of Liebert Ltd, Marlow, UK, and Emerson Electric company, responsible for sales and service of UPS and Cooling, £65m sales, 120 staff
  • European UPS Business Leader for Liebert-Hiross, Milan, Italy, responsible for design, testing, manufacturing, business administration and marketing, US$250m, 80 staff, personally involved in restructuring, closing/moving production sites and company integration
    • Board Director of Liebert-Hiross, Espania
  • CTO of ICW Power Systems, London, responsible for data centre design and construction, won 7th place in the UK DeLoitte Touché Top 50 Tech Company Award and designed projects up to 300MW on three continents
  • Managing Director of Emerson Network Power Ltd, Marlow, responsible for sales and service of UPS, Cooling, Transfer Switches, £100m P&L, 140 staff.
    • Won the ENP Business Leader Award in 2005
    • Managing Director of Emerson Power Systems, Brighton responsible for sales and service of 48V and 400V DC systems (formerly Ericsson), UK & Benelux, £30m P&L, 30 staff
    • Now Vertiv
  • VP Sales & Service Asia-Pac, South America & EMEA for Active Power Inc, Austin TX, flywheel UPS and Caterpillar UPS – now owned by Piller GmbH
  • International Sales Director, Chloride Power Electronics, London
    • Sales Director of Chloride France, Paris, France
    • Sales Director of Chloride Germany (formerly Siemens), Erlangen, Germany
    • Concept designer of ‘Trinergy’, a 3MW modular static UPS
    • Now Vertiv
  • CTO Prism Power Ltd, Watford, UK responsible for data centre design and KST DRUPS
  • CTO of Ark Continuity Ltd, Corsham & Farnborough, data centre developer with a 135MVA campus deployment of low-energy, high-security, facilities
  • CTO for Emerson Network Power in EMEA responsible for technical representation of company on international committees & standards bodies, new product initiatives in UPS, Cooling, Cabinets & Software. US$600m in EMEA

An active blogger, trainer, author of many technical papers on critical infrastructure with presentations and keynote speeches made around the world, Ian is:

  • A Fellow, Council Member & volunteer PRI of the IET
  • Member of CIBSE & SPD Sub-Committee
  • Member of BCS, on Policy Committee and ex-Chair of DCSIG
  • Technical Advisor to the Data Centre Council of techUK
  • Accredited Tier Designer of the Uptime Institute
  • ex-Chair of the Green Grid in EMEA.

Author of several data centre training courses for DCPro (the training division of DataCenterDynamics), including:

  • Power Professional
  • Energy Professional
  • Understanding Data Centre Failures
  • Understanding Single-Line-Diagrams

Author of ‘Data Centre Power Systems, A Design Guide’ a technical book to be published in 2019 by the Institute of Engineering & Technology.

In addition, Ian sits on data-centre standards committees and bodies, including:

  • An Expert Member of TCT/7 – EN50600, Data Centre Infrastructure
  • Expert Member of ISO/IEC JCT1 SC39 WG1 ‘Resource Efficient Data Centres’
  • Project Editor of ISO/IEC 30134-1 and sections on CUE & WUE
  • A member of BSI Committee IST/046 ‘Sustainability for, and by ICT’

Ian was awarded ‘Outstanding Contribution to the Data Centre Industry’ at both Data Centres Europe in 2009 and DataCenterDynamics in 2015.

Prof Ian Bitterlin will be speaking at:

Panel Discussion – Creating Smart Buildings for the Future

2019/06/12 16:00 - 16:45

Panel Discussion – What’s the Fuss, its Only Another ‘G’!

2019/06/12 12:40 - 13:05

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