
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

David Conn
Managing ConsultantDavid is a senior finance professional with over two decades of experience in the telecoms sector. He is a specialist in business planning, forecasting, financial modelling and valuation in support of spectrum valuation and strategy projects.

Sebastiaan van den Deijssel
Managing ConsultantSebastiaan has over 15 years of professional experience in marketing, product development, sales, customer care, BSS/OSS, and business modelling for Telecom. He is one of the foremost experts in the field of MVNEs and MVNOs. He gained his experience in key roles within MNOs, MVNOs as well as MVNEs in Europe, Middle East, Africa, Caribbean and the USA.

Julian Garrett
Managing ConsultantJulian is a highly experienced telecommunications professional with over 25 years of leadership in mobile network innovation and transformation, with a track record spanning 19 countries.