Leadership Team

Steve Bowker, CEO & Co-founder

Steve Bowker

CEO & Co-founder

Steve has been critical to the success of significant Small-to-Mid-Size Enterprises (SMEs) for over 20 years. Prior to founding Cardinality, he was with AIRCOM International for 9 years, 3 of which he was CTO, where amongst other things he successfully implemented a PetaByte Scale centralised service assurance solution for AT&T. Between 1998 and 2007 he was with WatchMark, where he helped secure the largest OEM deal in the world for Performance Management and direct sales to 5 out of the top 6 mobile operators in the USA. Steve represents SMEs on the Strategic Advisory Board of the 5G Innovation Centre, and is currently working as part of the TMForum Catalyst project “Data Anonymising API” (sponsored by Orange Group & Vodafone Group). Previously he was directly involved in the Wireless Service Measurement Handbook (GB923), the first CEM Spec, and helped the TMF’s first partnership with ETSI/3GPP by contributing to the Release 5 (IMS) specification TS32.403.

Prashant Kumar, CTO & Co-founder

Prashant Kumar

CTO & Co-founder

Prior to founding Cardinality, Prashant spent over a decade working with major telecommunications service providers like Telefonica, Deutsche Telekom, Hutchison (3), and AT&T. During this time, he has architected some of the biggest online charging solutions (handling real time rating and quality of service (QoS) of over 20 millions of concurrent subscribers). Whilst working for Telefonica UK he was responsible for the solution architecture of their big data analytics solution; he evaluated potential suppliers, prototyping approaches, architected the solution and assisted in the implementation one of Europe’s largest Hadoop clusters. Prashant has a Masters degree from London School of Economics focusing on System Design in Context and a Bachelors degree in software engineering focusing on designing scalable business data systems and mobile communication protocols.

Steve Bowker, Head of Global Sales

Martin Ganski

Head of Global Sales

Martin has led Business Development functions in a diverse range of industries since the start of the millennium. Before founding Cardinality, he helped establish another company in the UK called Projex-Cellular Infrastructure to provide specialist services such as indoor and Wi-Fi planning for the United Kingdom 2012 Olympics. Projex-CI’s presence in the UK grew significantly during Martin’s tenure and now provides a vast array of well-regarded products and services. Prior to Projex-CI, Martin has been involved in several business catalyst organisations including a Mobile Banking company in Latin America, a MVNO managed services company, and a mobile reselling business. One of his start-ups in Mexico built a multi-million $US telecom services revenue stream. During the 1990s Martin worked for Ericsson in both the United Kingdom and Latin America so he understands the intricacies of working in a culturally diverse global marketplace.

Dejan Vujic, Head of Consultancy

Dejan Vujic

Head of Consultancy

Dejan Vujic has been engaged as consultant in over 100 various ICT projects in Serbia, Montenegro, UK, Poland, Mexico, Qatar, Seychelles and several African countries. He has a vast knowledge of feasibility studies, telecoms networking and IT with specific domain experience in mobile networks, document management solutions, algorithms, process modelling and software development procedures. Dejan’s areas of interest are optimisation and analysis of large volumes of data associated with overall system performance and users’ experience. Before Cardinality, Dejan was engaged in different roles at Department of Telecommunications and Information Systems, School of Electrical Engineering, University of Belgrade, where he received his bachelor, master and PhD degrees from the University of Belgrade in 2000, 2005 and 2014 respectively. Mr Vujic holds title of scientific associate (equivalent to assistant professor position). He is Professional Certified Engineer for the area of planning and designing of telecommunication networks and IT systems and member of IET and Serbian Chamber of Engineers.

Tim Fielden, Operations Director

Tim Fielden

Operations Director

Tim brings over 20 years experience in telecoms, 17 of which driving value with O2 UK. He has delivered major infrastructure projects focused on business transformation, in terms of scale, while reducing costs and adding features which led to improved customer experience and driving up profitability. Most recently, Tim led the mobile data core through an era of massive growth, brought on by the smartphone revolution. During this time he and his team worked on ways to utilise network and business data to understand better network performance and customer experience, thus driving smarter investment decisions as well as ensuring that Markering and Customer Engagement groups had timely customer insights and were equipped to leverage and engage with current and future subscribers.

Stephen Tyler, Head of Programme Management

Stephen Tyler

Head of Programme Management

Stephen brings over 10 years of Telco projects and deployments to Cardinality. He has experience working with operators across the globe and worked closely with Steve Bowker to successfully implement the world’s largest PM system at AT&T. Additionally, he has experience across many industries including Life Sciences, Automotive and Insurance. Having sat as both the purchaser and provider of solutions, Stephen brings a strong value based focus when proactively engaging with customers. Also, from being immersed in the regulated world of Medical Device, he also has a strong quality and compliance focus. All of these aspects are brought to bear whether overseeing customer engagements or working directly with R&D to ensure that our commitments to the market are met.