Executive Search

Ian Bitterlin

Portman Partners Associate


Portman has a network of senior executives who bring a wealth of experience to assist organisations with Interim, Executive & Non Executive Search, Board Advisory and Consultancy. Our network covers a wide range of disciplines & skillsets, selected to provide a full service to Datacenter Leaders around the world.

Ian Bitterlin.jpg

Prof. Ian Bitterlin

Specialist Areas: Datacenter Engineering & Design

Ian is a Chartered Engineer with more than 27 years’ experience in datacenter power and cooling following 25 years’ in rotating electrical machines and systems. 

Formerly CTO for Emerson Network Power Systems in EMEA, Ian is now principal consultant at Critical Facilities Consulting and a Visiting Professor to the University of Leeds, School of Mechanical Engineering. Having filled senior posts in major UPS and datacenter OEMs, Anton Piller, Liebert, Emerson Network Power, Active Power & Chloride, he has been instrumental in key product innovations and continues to consult on new datacenter design and M&E products. 

An active blogger, trainer and author of many technical papers on critical power and cooling, Ian continues to give presentations and keynote speeches around the world.  A Fellow & Member of Council of the IET, Member of CIBSE & BCS, Ian sits on datacenter committees and international standards bodies, is ex-Technical Chair of the Data Centre Council of techUK, ex-Chair of the DCSG of the BCS, Accredited Tier Designer of the Uptime Institute and ex-Chair of the TWG in EMEA for The Green Grid.  Ian is a Technical Expert & Expert Witness for datacenter related project disputes with HKA Ltd.

Ian has been awarded ‘Outstanding Contribution to the Data Centre Industry’ twice, by Data Centres Europe in 2009 and by DataCenterDynamics EMEA in 2015.