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Tel: 01628 495 400


Senior Management Team

Gary Marven

Chief Executive Officer

Gary put values and behaviours at the heart of MLL Telecom’s strategy to ensure the business is not only great to work with but great to work for.

He was previously Chief Operating Officer at MLL Telecom, responsible for increasing the annual turnover by 225%.

Gary has extensive knowledge of the media and telecommunications industry having previously spent 11 years with the BBC in a number of senior roles including Programme Director for the Digital Media Initiative and nearly seven years as Chief Operations Officer of the Factual and Learning Division.

During his time there he played a key role in the introduction and operational delivery of a new broadband service, “the Digital Curriculum” (now BBC Jam) which is a major new component in the education market. Gary also worked at Granada PLC in a number of financial roles.

Gary is married and has two children. He is a keen marathon runner and a member of the local squash club. He holds a BA in Economics and Finances from the University of Leeds.

Isy Bizaoui

Head of Public Sector

Robert Hayward

Director of Business Development – Network Service Providers

Robert has 24 years experience in the Telecoms sector working in a number of senior roles across Sales, Marketing and Alliances. He joined MLL Telecom in 2012 and has responsibility for all Sales and Marketing activity. Prior to his current role, Robert worked in executive positions in several Blue Chip companies including Mercury Communications, BT, Vodafone, his latest role at Amdocs where he held the role of Divisional Sales Director.

Robert has a passion for coaching and development and enjoys spending time with his family, friends and following Rugby Union.

Dai Jones

Account Director- Network Service Providers

With more than 25 years’ experience in the Telecoms industry, working with fix and mobile technologies for vendors, suppliers and operators, Dai is focused on driving MLL’s relationships with long term partners as well as developing growth areas within the sector.

Dai’s engineering background and market knowledge enables MLL to consistently provide high quality solutions to meet customer requirements in this dynamic sector.

Dai is married with a young family and holds a BEng in Electronic Engineering from the University of Reading.

Stuart Wallis

Head of Service Providers

Stuart studied Chemistry and worked as an Analytical Chemist before moving into the telecoms sector over 15 years ago. During this time he has worked with a mixture of operators and vendors, specialising in hybrid transmission networks. Joining in 2010, Stuarts drive and focus has been making MLL Telecom a leader in design for Microwave and Fibre networks, seeking innovative solutions for our customers. Stuart likes to spend time with his wife and son and supports Reading FC.

Darren Hedges

Head of Service Delivery

Darren has over 15 years’ experience in the telecoms sector where he has occupied a variety of operational roles, managing teams and delivering services to a variety of clients.

Previously Darren was Field Manager at Tyco Communications where he was responsible for field maintenance contracts supporting fibre, copper and radio technologies across the UK.
Darren spends his holidays windsurfing or in the mountains snowboarding and mountain biking.

Gemma Denes

Head of HR

Gemma has people at the very top of her agenda; creating a great place to work with high performing teams is a priority, whilst ensuring the company values and culture is embedded and nurtured.

With over 15 years’ experience in Human Resources, Gemma has worked across a variety of different sectors to include, Telecommunications, Sales, Retail, FMCG, Publishing and Games Development.

Since joining MLL in 2013 Gemma has been responsible for our people strategy, introducing a number of initiatives to drive performance and enhance employee engagement; a few examples of which include new appraisal systems, staff satisfaction surveys and reformed internal communications.

Gemma works part-time for MLL and is the Mother of two young children; therefore if she had any spare time, she would spend it in a state of complete tranquility and relaxation!!