Coleago’s directors and partners


Coleago is managed by the founding directors Stefan Zehle and Graham Friend along with fellow directors Scott McKenzie and Chris Buist, and partners Alison Hancock, Matthias Halfmann, Domingo Villanueva and Tim Bosworth

 

Stefan Zehle

Stefan Zehle

Stefan Zehle is the co-founder and CEO of Coleago. He has 28 years’ experience in telecoms consulting and as Director of a mobile operating company. He specialises in strategy and...
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Graham Friend

Graham Friend

Graham Friend is a specialist in financial modelling, strategic business planning and valuation and is a leading expert on spectrum auctions and spectrum valuation. Graham has been consulting for more...
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Scott McKenzie

Scott McKenzie

Scott McKenzie is an experienced consultant with over twenty years background in the telecoms and high technology industries. His areas of expertise span: general management, strategic planning, operations, finance and...
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Chris Buist

Chris Buist

Chris has over 30 years’ international senior management experience in the telecommunications and media sectors. He has worked for CxO clients in more than 20 countries including network operators, equipment...
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Alison Hancock

Alison has over 15 years telecoms experience in fixed, mobile and value add services. She has worked for both telecom operators and for a start-up mobile content company. Alison has...
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Matthias Halfmann

Dr. Matthias Halfmann

Matt Halfmann is a highly experienced telecoms strategist, business modeller and executive trainer with extensive knowledge in telecoms regulation, regulatory cost modelling, and commercial strategy. Matt has more than 16...
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Domingo Villanueva

Domingo Villanueva

Domingo has extensive experience of business and strategic planning and business modelling across a range of European countries and telecommunication businesses. Domingo has worked on projects to model the long...
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Tim Bosworth

Tim brings a wealth of commercial experience through his background as an academic up to PhD level and thirteen years working for Royal Dutch Shell. During this time, Tim worked...
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