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Managing Consultants

Rodrigo Barreto, Managing Consultant at Coleago Consulting

Rodrigo Barreto

Managing Consultant

Rodrigo has 30+ years of experience in Telecommunications, specialising in technology, strategy, and regulation. He consults for diverse international clients and excels in Techno Economic Analysis modelling.

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Managing Consultants

Julian Garrett, Managing Consultant at Coleago Consulting

Julian Garrett

Managing Consultant

Julian 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.

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Managing Consultants

Managing Consultants

Dave Tanner, Managing Consultant at Coleago Consulting

Dave Tanner

Managing Consultant

Dave Tanner is an highly experienced senior engineering professional with 30 years of specialist technical and operational expertise in telecoms, specifically, wireless (2G-5G/ WiFi/ IoT), fibre and satellite.

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Managing Consultants

Simon Woodland, Managing Consultant at Coleago Consulting

Simon Woodland

Managing Consultant

Simon Woodland is a member of Coleago’s financial modelling and training team, and is a seasoned management consultant with expertise in mergers and acquisitions, valuations, licence bids, financial forecasting and business planning.

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Managing Consultants

Marios Nicolaou, Managing Consultant at Coleago Consulting

Marios Nicolaou

Managing Consultant

Marios 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.

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Managing Consultants

Karl Wermig, Managing Consultant at Coleago Consulting

Karl Wermig

Managing Consultant

Karl Wermig specialises in national broadband planning and related infrastructure deployments, operations and commercialisation and has delivered more than 100 telecoms consulting engagements.

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Managing Consultants

Ken Pearson, Managing Consultant at Coleago Consulting

Ken Pearson

Managing Consultant

Ken Pearson is a seasoned advisor with over three decades of experience of guiding telecommunications regulators and mobile network operators worldwide.

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Managing Consultants

Mark Rutherford, Managing Consultant at Coleago Consulting

Mark Rutherford

Managing Consultant

Mark 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.

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Managing Consultants

Mike Johnston, Managing Consultant at Coleago Consulting

Mike Johnston

Managing Consultant

Mike 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.

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Managing Consultants

Sebastiaan van den Deijssel, Managing Consultant at Coleago Consulting

Sebastiaan van den Deijssel

Managing Consultant

Sebastiaan 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.

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Managing Consultants

Ade Ajibulu, Managing Consultant at Coleago Consulting

Ade Ajibulu

Managing Consultant

Ade 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.

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