
Stephen Stewart
Senior Consultant with 30+ years of experience
Stephen is a senior consultant with a focus on Internet of Things (IoT) connectivity and sustainable business development, with a 30-year plus successful track record.
He is a technology specialist in the smart card, mobile telecoms (including eSIM), IoT/M2M, biometrics, fintech (PAYGO & electronic payments) and digital security industries and has international experience in the UK, Europe and Africa.
He has occupied leadership roles in the start-up and management of several subsidiaries for large multi-national companies and has wide-ranging commercial, sales & marketing and project management skills, with an excellent understanding of cash-flow management, cost containment and sustainable development requirements.

Stephen Stewart CV
PROFESSIONAL EXPERIENCE
Consultant - IoT
4R Digital/Cavex - Reading April 2024 - August 2025
Carbon Value Exchange (Cavex) is a climate finance company with integrity, innovation and impact. It uses digital finance and innovative technologies to drive environmental and socioeconomic benefits for the people and communities most in need. I was brought onboard to develop its IoT strategy, specifically focusing on automating and improving d-MRV data quality and provenance, to ultimately reduce costs and achieve higher carbon credit value for the project owners in the voluntary carbon markets.
SVP - Customer Success
Eseye Ltd – Guildford January 2020 to March 2024
Eseye is a technology specialist in the Internet of Things (IoT/M2M) market. The company has c150 employees and revenue of around £24K per annum. Since January 2020, I headed up the Eseye Customer Success function with a responsibility for the company’s top 40 customer and around 67% of the company’s monthly recurring revenue (MRR).
Regional Director - Africa
Eseye Ltd – Guildford January 2014 to December 2019
With extensive experience of conducting business in Africa, I was responsible for developing Eseye’s fledgling business on the African continent. In this role I focused on:
- Setting up Eseye subsidiaries in South Africa and Kenya
- Negotiating mobile inter-connects with African mobile network operators such as Etisalat, Vodacom SA and the MTN Group
- Establishing partner programs in countries such as Nigeria, Ghana, Kenya and Botswana
- Developing business funnels in various African countries and market sectors such as solar, banking, asset tracking, and more
Managing Director - UK
Morpho Cards UK Limited September 2008 – December 2013
Morpho Cards (now Idemia) is one of the pioneers & world leaders in the smart card sector. In this role I led the strategic direction of the North Europe telecoms sales team within the broader confines of the EMEA sales strategy. I concluded supply agreements with new customers (VGE (Vodafone) UK, Telenor Norway, Tele2 Sweden, Elisa Finland) and extended supply agreements with existing customers (EE, TeliaSonera and KPN/E-Plus). Furthermore, I set pricing structures which maintained group sales margins in a very price competitive market and achieved and exceeded sales and EBIT targets and grew the turnover by 8% CARG in very tough economic and market conditions (during the global financial crash of 2008). I also managed all company financial and HR related matters to Group. This included implementing new benefits, pension and salary sacrifice schemes and strategically directed the company in all its business facets.
Managing Director - South Africa
Sagem Orga SA (Pty) Ltd 2004 – 2008
In 2004, I started Sagem Orga’s first subsidiary in Africa (Johannesburg, South Africa) and built the subsidiary to a profitable €12 million turnover company with 34% CARG in the last 3 years involved in the business. This secured MTN Group with 23 MNOs throughout MEA and the Airtel Group with 21 MNOs throughout MEA, as new customers. During this time, I also project managed the successful commissioning of a card production facility in Lagos, Nigeria after successfully bidding for a license to manufacture from the NCC (Nigeria Communications Commission).
Director – South Africa
Bluefish Technologies (Pty) Ltd 2001 – 2004
Started-up and managed the African subsidiary to a profitable entity within 2 years of start-up in the highly competitive GSM market.
Business Unit Manager - Healthcare
Namitech (Pty) Ltd 1997 – 2001
As part of the company’s senior management team, developed new customer business (Anglo American Health) and managed customer accounts (MTN SA) in the smart card market.
Business Analyst - Team Leader
IDC of SA Limited 1992 – 1995
At the IDC I assessed debt financing applications by SMEs in the SA manufacturing industry. The loan amounts varied between US$40K and US$30 million.
Project Manager – Telecoms
Houwhoek Technologies Limited 1990 – 1992
At Houwtech I project managed and system engineered the telecommunication sub-system (US$4 million annual budget) of the main Observation Satellite project.
SKILLS
- Full P&L responsibility and balance sheet control of cash & capital
- General Management expertise in multinational environment
- Combination of technical and commercial insight
- Sustainable business development
- Focus on driving results through leadership and planned implementation
- Building and leading performing teams
- Structured approach to developing opportunities and turning them into business
- All levels of Stakeholder management
- Ability to identify key business drivers in the industry
- Employee training and development
HIGHLIGHTS
- Started up 4 subsidiaries in South Africa and Nigeria for various multi-national companies (Bluefish Technologies, Sagem ORGA, Morpho Cards and Eseye)
- Built Bluefish Technologies SA into a profitable business within 2 years and Morpho Cards SA into a €12 million turnover business within 4 years
- Managed the UK subsidiary of the billion Euro Morpho Group (now Idemia)
- Board experience in private companies and wholly owned subsidiaries of public listed companies
- EMEA business experience having managed businesses in South Africa and the UK; with Africa, Benelux, Germany, and North Europe (Scandinavia and Baltics) responsibilities
EDUCATION
University of Stellenbosch - Bachelor of Engineering (Electronic) completed 1989
University of Cape Town - Master of Business Administration (MBA) completed 1996
Note: January 1983 to December 1984 - completed 2-year conscription military service in the South African Infantry Corps
BOARD EXPERIENCE
- Bluefish Technologies (SA) – Private
- Sagem Orga (SA) – wholly owned by the Sagem Group
- Morpho Cards (UK) – wholly owned by the CAC40 listed SAFRAN Group