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About
Management team

Management team

 

Lionel Chmilewsky - Chief Executive Officer

Lionel Chmilewsky
Chief Executive Officer

Lionel has more than 25 years of experience in the technology field and has been part of the wireless industry since the early 90s. Most recently Lionel was CEO of Comverse IP Communications and Senior Vice President of Comverse Group. Prior joining Comverse, he was Executive Vice-President of Proxim Wireless, leading Worldwide Sales and subsidiaries.

Lionel's background also includes General Management and Senior Executive roles in Alcatel, JDS Uniphase, EXFO and Fairchild in the USA. Lionel is a French national and earned an MBA from NEOMA (Rouen Business School).

 

Darren Taylor - Chief Financial Officer

Darren Taylor
Chief Financial Officer

Darren is a Chartered Management Accountant with over 25 years' senior finance experience gained in multinational roles predominately in the IT industry.

Most recently Darren was CFO of the Neverfail Group and prior to that worked with Prince Sports, Caminus Corp and the Financial Times Group where he spent several years in Hong Kong. Prior to becoming an accountant Darren trained as a programmer.

 

Dr John Naylon - Chief Technology Officer

Dr John Naylon
Chief Technology Officer

John co-founded CBNL in the year 2000 and managed all research and development activity until 2011. He is currently responsible for CBNL’s strategic technology direction as well as overseeing the company’s industrial liaison, thought leadership and intellectual property activities.

Before starting CBNL, John co-founded the pioneering wireless company Adaptive Broadband and held a research position at AT&T Laboratories Cambridge. John has a PhD in Computer Science from the University of Cambridge and over 20 years’ experience designing cutting edge wireless technology.

 

Paul Yates
Senior Vice President, Operations

Paul leads the company’s supply chain and services activities. Paul has 25 years’ experience in manufacturing and supply chain with Tier 1 Contract Electronic Manufacturers such as Celestica. During this time Paul has held a variety of global operational and major account management positions, including responsibility for accounts such as Dell, Hewlett Packard, Sun Microsystems.

More recently Paul has held a number of senior operational and supply chain roles in UK high tech start-ups and SMEs where he has used his blue chip experience to set up and optimise supply chains. Paul holds a degree in Mechanical Engineering from Bath University.

 

David Purle, Senior Vice President, Research and Development

David Purle
Senior Vice President, Research and Development

David is responsible for driving the company’s Research and Development initiatives, processes and execution.

David has over 20 years of experience in the technology and telecommunication sectors, with a background that spans research and development, wireless design consultancy and product development. He has held technical and engineering management roles at Powerwave UK, Toracomm and HP.

 

Sarah Gowing
General Counsel, Company Secretary and HR Director

Since leaving private practice in 2000, Sarah has combined her legal knowledge with wide-ranging business experience from start-ups to listed entities, and has a strong commercial and corporate background.

Prior to joining CBNL in 2010, she was Company Secretary to Acambis plc and Assistant Company Secretary to Vectura plc. Sarah holds an LLB (Hons) Degree from University College London and is a Solicitor of the Supreme Court of England and Wales.