
Mike Johnston
BEng, MBA Managing Consultant , United KingdomMike has over 25 years’ experience in telecoms and specialises in fibre network infrastructure and project delivery. He works on strategic development projects for government intervention to accelerate fibre delivery, technical M&A due diligence for private sector and financial institutions and business strategy and planning for telecom operators.
Mike Johnston is a highly experienced telecoms business specialist and Project Director, with experience leading and consulting on projects in both public and private sectors on telecom network, M&A due diligence, passive digital infrastructure and broadband projects:
His experience includes:
- Strategic business planning and feasibility studies for open access fibre network development ranging from national broadband plan to connect underserved provinces to greenfield city development and targeted urban co-deployment projects.
- Technical due diligence of fixed operator networks, vendor and buyer side, for support merger and acquisitions in Asia and United Kingdom.
- Leadership of telecoms projects in both commercial and transport infrastructure environment ranging from the build and commercialisation of an open access fibre network design to development of a rail passenger information system utilising the dedicated rail mobile network.
He also served as a commissioned officer in the British Army for ten years.
Education
Imperial College of Science and Technology
- B.Eng (Hons) ACGI Electrical Engineering
Warwick Business School
- MBA
Other team members

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.

Tim Bosworth
Managing ConsultantTim Bosworth is Coleago’s leadership development and team effectiveness expert. He focuses on supporting for Coleago clients through individual and team coaching, leadership development training and running team and individual psychometric profiling and assessment.

Marios Nicolaou
Managing ConsultantMarios Nicolaou leads the technical aspects of consulting engagements. These include the formulation of technology and spectrum strategies including advanced modelling and analysis of wireless networks. He finds the optimal trade-off between investments in spectrum and or associated upgrades in technologies to satisfy the 2G, 3G, 4G and 5G demand from users and devices.