
Mark Rutherford
Bachelor of Accountancy, Chartered Accountant Managing Consultant , United KingdomMark Rutherford has over 25 years’ experience in fixed and mobile communications and technology development. He is a specialist in valuation, commercial strategy and business planning.
Mark Rutherford has worked with Coleago since 2012 and has participated in numerous spectrum valuation, M&A and strategy projects in both developed and developing markets. Mark is also a specialist in the start-up of communications and technology businesses.
His experience includes:
- The valuation of mobile spectrum and strategic support during the auction building process.
- Strategic business planning and feasibility studies fibre network development ranging from national broadband plan to connect underserved areas to commercial fibre development.
- Creating and delivering strategic plans for business development in the fibre, mobile and technology businesses.
- Advising on business valuation and due diligence in M&A and privatisation transactions.
Education
University of Glasgow
- Bachelor of Accountancy
Institute of Chartered Accountants of Scotland
- Chartered Accountant
Other team members

Matt Halfmann
Managing ConsultantMatt Halfmann is an accomplished telecoms strategist, business modeler and executive trainer, has unrivalled expertise in digital infrastructure and telecoms regulation, and has worked in more than 100 countries.

Stefan Zehle
Chairman and CEOStefan is the CEO and the co-founder of Coleago Consulting. He has been working in telecoms since 1987 with experience in over 65 countries. Stefan is a director of a start-up mobile operator, and an expert in spectrum valuation and licensing.

Scott McKenzie
DirectorScott is one of the directors of Coleago and is a highly experienced consultant with over 30 years’ experience in the telecoms and high technology industries. Since joining Coleago, he has led numerous complex spectrum, fibre, MVNO, regulatory, transaction and training projects.