- Sei ManiCo-founder, 2011 - present
- Virgin Media PlcEnterprise Social Media Programme Manager, 2011 - 2014
Leon is a social media practitioner and has managed a number of successful social software implementations with Virgin Media, British Airways, Microsoft & BT. He is the author of Winning by Sharing, a ground breaking book about the impact of social media on the future of work (published in 2005). He is the co-founder of Sei Mani, which helps large organisations become social and network centric.
Previously spent 20 years designing and delivering complex IT transformation programmes, managing enterprise change and agile software development in financial services, telecommunications, retail and travel, for blue chip companies, counting Union Bank of Switzerland, Dresdner Kleinwort Benson, Barclays Capital, Andersen Consulting, Airtours, Opodo, BT, Tesco, Argos, Carphone Warehouse and Aviva.