Simon Woodhead

Executive Chairman

Simon led a successful early career in finance, becoming the youngest qualified member of the Securities Institute. In 1996, Simon founded Simwood (then ‘eSMS’), the world’s first global gateway between the internet and mobile phones.

As CEO and architect, he has shaped Simwood to be the business and network it is today. Simon is passionate about technology, privacy and open source software. He speaks worldwide at industry events; sharing Simwood’s extensive and sought-after research. He was also a Director and Chairman of LINX, the world’s largest mutual internet exchange.

Charles Chance

Group CTO

In 2010, Charles founded Sipcentric Ltd from which he developed an entirely flexible and reliable hosted telephony platform for global use. Simwood acquired Sipcentric in 2019 and Charles is responsible for the ongoing reliability and interoperability of all networks across the Simwood group.

Charles is forward-thinking and driven to continually develop and improve Simwood’s network and technology, whilst also being an active contributor to several open-source projects within the telecoms sector.

Tom Hadden


Tom has more than 25 years of experience in the design, development and marketing of telecoms, as well as VoIP, wide-area networking and storage management products. Tom has left his mark on the telecoms industry globally, including being President of Vaultline, Inc., Chief Network Officer for Universal Access, Inc., CEO of Kinloch Telephone, Inc. and co-founding Vault Telephone, Inc.. Prior to joining Simwood, Tom was responsible for the merger and acquisition of the independent CLECs, including TNE Telephone Inc.

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