Investment Commitee

Clifford Giles - Founder & Executive Director

  • Clifford is Founder and Executive Director of IPO Capital PLC and chairs the Investment Commitee.
  • Leads the firm’s originating and investment process. He is focused on idea generation, investment strategy, and is responsible for cultivating the firm’s external advisors, including economic consultants.
  • Background is in financial services focused on equity markets and strengths lie in seeing opportunities where others see adversity. He has built IPO Capital from start-up with two cornerstone investors through to funding and listing companies with an aggregate market capitalisation in excess of £200m. 
  • Manages IPO Capital’s portfolio and continues to generate investment multiples through carefully crafted strategies. Having proven the underlying investment model he is now focused on extending funding to a wider global business community.
  • Originally from Australia, educated at Cranbrook School, Sydney, Clifford is married, with two children and is an avid rugby enthusiast. 

Mark Butterfield – Executive Finance Director

  • Mark is a professionally qualified (ACIS) executive with over 30 years’ experience in Finance and Operations Director positions in a variety of B2B environments – mainly in the Technology, IT and Financial Services sectors. His particular expertise lies in the SME space, specifically in start-up and early-stage businesses – he has been instrumental in setting up a specialist car company in the 1980’s, two leasing companies and most significantly as part of a small management team who created & built up IT PLC to a turnover of £14m & PBT of £1.8m per annum. 
  • This background has given Mark extensive experience in managing change, rapid-growth and the challenges that face fast-developing businesses – such as working capital constraints, fund raising and the need to implement and evolve financial systems and controls. During his career, he has been involved in a number of MBO, MBI and IPO processes, giving him extensive experience of due diligence, capital raising and company acquisitions / disposals.


Simon Kiero-Watson – Corporate Finance

  • Having built a successful career as a commercial banker at Lloyds Banking Group, Simon left commercial banking and moved into corporate finance, as Head of Business Products at the Catalyst Investment Group, where he established the first Approved EIS Fund to be offered to the public in the UK.
  • As Head of Markets at GXG Markets he was responsible for establishing the business strategy of delivering a pan-European exchange for growth companies.  More recently he has worked as a consultant at the ICAP Securities and Derivatives Exchange (ISDX).


Dr Michael Green - Analyst

  • A proactive analyst who has gained a broadly-based knowledge of growth companies through extensive research as well as sitting down with the management and taking the time to really understand companies. 
  • He is always seeking to unearth exciting investment opportunities and has a track record of negotiate deals at attractive valuations. Michael possesses an extensive network of contacts throughout the City, which stem from taking part in financings and buying lines of stock from the major players. 
  • As an independent analyst, he has been using these skills to research growth companies for a variety of clients including stockbrokers, corporate finance boutiques, private equity players and independent research houses. In addition, he has been working closely with pre-IPO and quoted companies to help raise their profiles.
  • Began working in the City in the 1980s as a resources analyst with stockbrokers Buckmaster & Moore and then HSBC-owned Greenwell Montagu Securities. Subsequently, he was involved in analysing a wide range of growth companies and became Head of Research at Everett Financial.