Sebastiaan van den Deijssel
Managing Consultant , NetherlandsSebastiaan 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.
Sebastiaan van den Deijssel has been involved with multiple core network integrations, in-sourcing wholesale operations and MVNO implementations in several countries. He recently developed a new strategy for an MVNE, focusing on service delivery instead of traditional airtime driven models.
Sebastiaan developed solutions and product portfolios and reference offers (retail, wholesale and M2M) for several MVNEs and MVNOs. His out-of-the-box and customer centric approach has resulted in many innovative concepts, which have significantly contributed to the success of these MVNEs and MVNOs.
Other team members
Rodrigo Barreto
Managing ConsultantRodrigo 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.
Stefan Zehle
Chairman and CEOStefan is the CEO and the co-founder of Coleago Consulting. He has been working in telecoms since 1987 with experience in over 65 countries. Stefan is a director of a start-up mobile operator, and an expert in spectrum valuation and licensing.
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.