Meet our leadership team

Nigel has over 20 year’s IT Management experience in white label global outsourcing, supporting locations in Europe, Africa, Asia Pacific and South America.

Experienced in global deployment and management of global telephony and multimedia solutions for major global brands.

Nigel has extensive experience in shaping and delivering high-performing digital landscapes. Utilising a diverse and innovative mix of technology, Nigel executes critical initiatives to create state of the art solutions that enhance productivity, economic prosperity and competitiveness for our clients.

“The power of empathy is the biggest unused opportunity in creating a customer experience that customers will find worthy of their loyalty.”

Peter joined Sigma in 2022, with a long history in customer service and customer experience – and a strong track record in change within large commercial operations. His appointment as CSO marks Sigma’s ambition to grow into new markets, industries and in the development of digital transformation services.

Peter devotes most of his energy in the job elevating the human element and the power of the human connection in customer service and CX. And truly believes that Sigma is different when it comes to how much we value the human centric approach.

Peter hails from The Netherlands, spent 3 years in Greece and settled in the UK in 2015 with his wife and 2 children. In his spare time, he’s an ultra-marathon runner.

With over 20 years’ experience in IT across a range of industries, from start-ups to large enterprises, Ian’s roles have spanned all aspects of technology, architecture and strategy. Ian comes with a degree in Physics and Electronics and a PhD in semiconductor technology.

He specialises in enabling business process and innovation through effective use of technology. He also has a strong technical background including security, networking, infrastructure operations, datacentre design and software development.

Gary is a founding member of Sigma since setting up the business with Mike Harfield in 2011. Gary has been the CEO for 3 years and takes the lead with external relationships and investor strategy.

Gary has over 25 years’ experience running large contact centres across the UK and in South Africa with a specialism in early arrears and debt collection. Over the last 14 years he has worked with the majority of the Energy Big 6. Gary remains very active with all Sigma’s client engagements and continues to lead on new business opportunities for the group.

“I have no interest in recreating what other businesses are doing. We want to do something different, better, something with soul.”

Co-founder of Sigma Connected, Mike is the yin to fellow co-founder Gary Gilburd’s yang. Gary was a client of Mike’s and they soon realised their different skills and outlook complemented each other perfectly.

With more than 20 years’ industry experience, Mike is ultimately responsible for Sigma’s operational development and strategy. But it’s his training aged 15 at the Bollettieri Tennis Academy, that he credits for giving him a serious work ethic, and a firm belief in giving things a shot. Mike is passionate about giving everyone an opportunity to either take the next step in their career, or the first step – and to do it right.

His spare time is spent mostly with his kids – 2 boys and a girl

Ben has 20 years’ experience in Board Director and NED roles across Retail Utilities and BPO across both large corporate and private companies.

Prior to joining Sigma in 2019 Ben was trouble shooting in the Energy sector, supporting turn around and new start ups.

Within the Sigma Connected Group Ben has day to day responsibility for Sales, Marketing, Client Services and PMO across the entire Sigma Connected Group which include the UK, South Africa and Australia.

Andrew was appointed CFO in April 2015, assuming responsibility for the strategic financial management of the group. Prior to this, Andrew spent 3 years as Head of Finance where he had day to day oversight of the finance function and successfully built out the operational finance platform.

Before joining Sigma, he spent eight years with HomeServe in a number of UK Group roles. He is also a Member of the Institute of Chartered Accountants in Scotland.