Meet the team at Kensa Heat Pumps, the UK’s market leading ground source heat pump manufacturer.

Technical Sales

David Billingsley

Director of Sales

David joined Kensa in 2011, bringing with him a wealth of experience, having been involved in the heat pump industry since 2004. David manages the Sales team and works within both the domestic and commercial sectors.

Steve Costello

Technical Sales & Business Development

Steve has been in the geothermal industry since 2007 and has experience from design through to installation. Steve served on the council of the GSHPA from 2008 to 2014.

Paul Dennison

Technical Sales

Paul joined Kensa in 2007 to spearhead sales through the expanding distributor and installer networks. He has worked within the heating industry for over 30 years.

Daisy Hornsby

Technical Sales

Daisy joined Kensa in 2013 and works within the sales team, based in Exeter. Daisy has a wealth of experience within the domestic heat pump sector, designing and specifying Kensa products. A keen horse rider, Daisy competes all over the South West.

James Dingle

Technical Sales

James joined Kensa in 2019, he has worked within the renewable heating industry since 2003 bringing a wealth of experience in the domestic and commercial sectors. James works within the Sales team specifying bespoke ground source heat pump solutions.

Lauren Hill

Sales Estimator

Lauren has worked in Renewables since 2016. Lauren's ground source heat pump (GSHP) knowledge allows her to prepare detailed quotations with accuracy. Her understanding of domestic and commercial systems means she can evaluate all GSHP applications.

Technical Support

Darren Veal

Technical Support & Commissioning Engineer

Prior to joining Kensa in 2014, Darren was a heating engineer for over 30 years. He provides valuable technical support to both the sales team and our installers. Darren is responsible for heat pump commissioning, MCS compliancy & installer training.

Todd Whymark

Technical Support

Coming soon

Tom Worth

Technical Support

Coming soon


Maggie Buhr

Finance and Admin Assistant

Maggie joined Kensa in 2010 with a strong background in administration. She is your first point of contact for any invoicing or order and despatch queries.

Ally Cook

Sales Administrator

Ally joined Kensa in 2018 and works within the sales team, based in Exeter. Ally looks after the daily administration tasks along with Kensa's MCS umbrella scheme.

Margo Standley

Administration Assistant

Margo has over 20 years in customer services roles in catering, healthcare and manufacturing sectors combined. Her responsibilities include order processing, assisting purchasing, marketing, and all things admin.


James Standley

Managing Director

James is responsible for delivering customer and shareholder value through Kensa’s manufacturing, field delivery, technical support and NPD activities.

Guy Cashmore

Technical Director

Co-founder of Kensa, Guy oversees Kensa's technical service department, leads research and development, designs new Kensa products, and delivers training and lectures to staff, students and export distributors.

Kate Clarke

Finance Director

Kate has a background in both private and public finance, in sectors ranging from services to manufacturing. She is responsible for running the finance and admin department and dealing with the day to day financial matters.

Stephanie Gregory

Director of Marketing

CIM qualified and marketing renewables since 2007, Stephanie joined Kensa in 2011 and is responsible for the marketing and business growth of the Kensa Group of companies.

John Barker-Brown

Technical Manager

John joined Kensa in 2006 and is now the Technical Manager. John is also responsible for Research and Development and the IT Department. He sits on various MCS Working Groups and ensures Kensa and ground source heat pumps are represented.

Kensa Group Board

Mel Adderley

Group Finance Director

A qualified Chartered Accountant, Mel joined Kensa in 2009 as Finance Director and provides overall financial advice and control and supports the finance team in fulfilling its duties.

Miranda Freeborn-Swan

Non-Executive Director

A founder board member and major shareholder, Miranda was influential in establishing the company’s early product and service offering, utilising a background in retail management and human resources.

Trevor Howard

Non-Executive Director

Trevor has been involved in the South West business community for the last 15 years advising companies on strategy, financing, growth and investment.

Trevor sits on the Kensa Group Board as a Non-Executive Director.

Simon Lomax


CEO of The Kensa Group and former Chair of the GSHPA, Simon has overseen Kensa's rise to UK market leader status and has been heavily involved in policy discussions at Westminster and Whitehall as a Top Tier Stakeholder to BEIS.

Matthew Taylor


Matthew Taylor, Lord Taylor of Goss Moor joined Kensa as Non-Executive Chairman on 1st February 2014.