
David Barker
BEng, MSc Managing Consultant , United KingdomDavid is a cellular network and technical radio spectrum domain expert in Coleago’s spectrum strategy and spectrum valuation practice areas. He is a specialist in the analysis of spectrum holdings, inference risks and development of technical valuation models.
David is a Chartered Engineer and a 30-year veteran of the radiocommunications industry. He is an experienced senior professional engineer and has spent his career working with and for telecoms consultancies, cellular operators in all continents, military communications, RAN eco-system hardware vendors, RAN design software vendors, and spectrum regulators. A recognised thought leader and a strong communicator, David is able to articulate the benefits, impacts, risks, opportunities and the technical value of radio spectrum to a wide range of audiences. He has filed and been granted numerous patents and has published many papers. David has been an active speaker at industry events throughout his career with a focus on interference analysis, mitigation, network optimisation, cellular antenna systems and spectrum valuation.
Education
Bradford University, UK
- BEng (Hons) – Electrical & Electronic Engineering
Royal Military College of Science, Cranfield University, UK
- MSc – Military Electronic Systems Engineering
Other team members

Ade Ajibulu
Managing ConsultantAde Ajibulu has over 30 years’ experience in communications. In addition to business modelling and strategy, Ade is also an expert on regulation, previously for Ofcom and now as a consultant.

Mark Rutherford
Managing ConsultantMark 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.

Mike Johnston
Managing ConsultantMike 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.