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Our Team


Founder & Executive Chairman

Etienne Kiss-Borlase

Etienne is the founder and major shareholder of the Clean Resources Group, with significant experience creating, developing and managing results-orientated, good governance companies. Previously Etienne founded and operated a Strategic Management, Audit and Fiduciary Consultancy, based in Geneva & Singapore. Etienne began his professional career as an investment banker in London. Etienne is a Swiss national, with an MBA from University of St Gallen and is a qualified CPA. Etienne holds a number of other private directorships and is a member of the Swiss Mining Institute.


Adrian Bruegger

Adrian works as the Legal Counsel for Swiss Life Asset Managers, responsible for the asset manager’s corporate, M&A and capital market transactions. Adrian previously worked at ING Bank as Head of Legal & Compliance. Adrian obtained his Master of Law & Economics from University of St Gallen and is a Swiss-qualified lawyer.

Director & Group CFO

Miguel Perry

Miguel is Group CFO for Clean Resources. Miguel previously held CFO positions with AIM-listed African Minerals and FTSE-listed ENRC, as well as advising Shandong Iron & Steel on its acquisition and restructuring of its Tonkolili iron ore project in Sierra Leone. Miguel was previously an Audit & Assurance Partner with PWC in Switzerland and Russia, in the Global Energy & Natural Resources division. Miguel qualified as a Chartered Accountant, after graduating from the UK's University of Essex. 

Director & Clean Concrete Technical Advisor

Dr Bruce Christensen

Bruce is Senior Vice President with Master Builders Solutions Admixtures US, responsible for commercial leadership across the US and Canada. Bruce also serves on the Board of Trustees for the Ready Mix Concrete Research & Education Foundation. Bruce worked for the previous business owner, BASF Construction Chemicals division, for over 15 years, holding an array of Technology Innovation, Operational and Marketing roles in the Americas and Asia Pacific, including Chief Technology Officer (Construction Materials). Prior to that, Bruce worked for Degussa Construction Chemicals and before, as a research scientist for bio-degradeable packaging developments with E.Khashoggi Industries. Bruce obtained his PhD. in Materials Science & Engineering from NorthWestern University in Illinois. 

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