• Simon Rigby MBE


    After a managerial career with Yorkshire Electricity, Simon led the management buyout of the buildings and grounds maintenance services from Yorkshire Electricity to form Spice Plc. As CEO Simon took Spice Plc from 12 employees in 1996, to £400m turnover, 4500 employees and the FTSE 250 in 2008. Spice was purchased by Cinven in 2010 for £450 million.

  • Karen Trepte

    Managing Director

    Karen has worked for energy suppliers and energy consultants in both Australia and the UK. During her time with one of the UK's largest energy consultants, she held a number of positions including Commercial Director (I&C), and most recently as Managing Director (SME) - growing the company from 20 to 220 employees. She joined Guild Energy in April 2016.

  • Paul Trepte

    Operations Director

    Paul is a Chartered Quality Professional, and following a successful career with the British Standards Institute, he joined management consultancy Randolph Scott in 2010 as a founding Director, prior to taking up his current role as Operations Director of Guild Energy in November 2015. Paul has responsibility for all back office operations and the corporate compliance strategy.

  • Louise Angell

    Business Resource Manager

    Louise has a deep background in managing and training telesales and customer service teams, working in the banking, media trading and energy broker sectors. Before joining the founding team of Guild Energy, Louise spent several years working for one of Europe’s largest energy brokers, where she held a key role within recruitment and training.