About Claritum's Management Team


Prof Richard Hillum

Executive Chairman

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Richard is award-winning Chair & CEO with over 25 years experience in founding, running, turnarounds and growing global technology businesses, including – HPC Wales – the Welsh National Super Computing Service, Smart Antenna Technologies, Sofant Technologies, Camitri Technologies, Software Radio Technologies, Securicor Wireless, Intel Global & Linear Modulation Technology.

Rick is Chair of the University of Bath Dragons and Advisory Boards, SETsquared business acceleration mentor, Judge Bath MBA, a Visiting Professor at the Universities of Bristol and Bath and a Senior Research Fellow at the University of Birmingham.

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Ian MacKenzie


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Ian has a considerable track record in growing service based technology businesses in the UK and US. Ian’s management experience includes Ingersoll Rand, Land Rover, AT&T Istel, BIS Information Systems and Tarmac. He led an MBO of Cimage, a multinational software business, where he was President of the US operation and responsible for M&A. Ian sold Cimage to a French IT company with a successful exit for shareholders. Ian, as Co-Chairman, is focused on Claritum achieving its objectives.

Paul Barker

Co-Founder and Chief Technical Officer

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Paul has over 25 years experience in commercial software development and IT. He has a track record in efficiently developing successful software and SaaS products for Sherston Software, Oxford University Press, DERA, BT, Smith & Nephew and KP-McVities. During his time at Sherston, Paul was responsible for bringing over 75 software titles to market on time and on budget. Paul is responsible for Claritum’s infrastructure, R&D and engineering capabilities.

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Phil Horrigan

Director of Finance

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Phil is a qualified accountant and project manager with over 25 years commercial experience in multiple companies across many industry sectors. Skilled at maximising business performance with an emphasis on finance, strategy formulation, cost control, change management and profitability improvement.  More recently he has, through his own consulting business, assisted various clients formulate strategies for growth, with the aid of detailed forecasting and financial models. His strengths lie in his commercial approach, operational experience, strategic vision and ability to maximise business potential.

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Paul Heron

Head of Sales

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Paul has over 25 years of business to business sales and technology experience covering many sectors and solutions. Including, 18 years of experience in ERP sales with Infor, Geac and JBA. Plus, procurement technology specific experience with GEP. Pauls’ background also includes 13 years with Britvic Soft Drinks/Bass Brewers.

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Chris Haddock

Head of Marketing

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Chris has over 25 years Commercial, Marketing and Business Development experience. Chris has a track record in developing successful marketing campaigns and driving new business development initiatives in high growth software businesses. His experience includes working at OpenCloud, Ubiquity Software and Newbridge Networks. Chris is a Chartered Engineer, with a strong track record in Business to Business software technology marketing.

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