TUME Interim

TUME Interim provides brokered access to roster of 100+ proven industry specialists. These are immediately accessible to clients on a Pay As You Go (PAYG) basis and are able to provide remote or on-site expertise support.

TUME Interim provides access to an associates roster of 100+ proven industry specialists, each available to support you and your business. Our TUME associates roster is supplemented by trusted partner consultancies; providing access to their own specialist latent capacity. This ensures we will deliver the best available option at an attractive price point. Each of our interims are proven and trusted experts in their specific field, their inclusion on our roster (whether as Associates or Partner Consultancies) is policed by the experiences of our existing clients and associates.

Our specialists will support you in the way you require; ranging from the occasional hour of on-call remote support through to full time on-site support for a specific delivery project. Deployment is achieved via a single quick point of access ensuring we deliver the best available solution to support your requirement.


Step 1: A Lead Consultant will discuss and capture your requirement over a short call

Step 2: Within 24 hours we communicate options, price points and availability schedules of suitable experts

Step 3: You swap into direct dialogue with your chosen expert to confirm satisfaction and finalise brief

Step 4: Our expert follows a proven ‘modus operandi’ to deliver a clear tangible & timely outcome



               Stuart Dawes                
UK Supply Market

Stuart Dawes has been in the UK energy market since 1999, holding a variety of commercial roles within the UK energy industry. He started at Northern Electric, working on preparations for NETA being launched in 2001; before transferring to RWE Trading to develop & lead a prompt trading desk. Stuart next transferred into retail to develop the Optimisation Desk for Npower designing innovative solutions to offer wholesale market access to end users & TPIs. He then moved externally to lead supply risk activities for British Energy and then transferred into a Senior Manager of B2B Energy role upon acquisition by EDF Energy. Stuart finally made a short foray into the TPI market as Ops Director for Inenco’s SME business; attempting to turn around its performance.

Stuart has been consulting since 2017, initially focusing on designing trading solutions for new market entrants on behalf of his client SmartestEnergy. During this period he also co-founded TUME with Joanne Ragdale. Stuart took full ownership of TUME in 2019, when he decided make it a full time venture, This has enabled him to develop its working community of experts and the services available to support our clients.

 Julie Arnold
Global Wholesale Markets

Julie Arnold has been active in energy trading since 1997 having led trading desks in the UK and APAC. She has spent most of her career in trading leadership roles across RWE Supply & Trading. Julie has been involved in the setting up and operations of a number of highly successful trading businesses. These included Power, Cross Commodity, Physical & Financial Coal in the UK. She then moved forward within the RWE Group to head up APAC Power Trading covering Australia, Japan, Singapore and New Zealand. 

Julie moved into consulting in 2019 and supports clients looking to set up trading desks in new markets or wishing to improve desk performance. Julie has an in-depth knowledge of all areas of an energy trading business including ETRM vendor selection, desk process design, data and analysis requirements, candidate selection, remuneration processes and legal and regulatory landscapes. Additionally, Julie is experienced in designing the processes and structures to interact with generation an retail assets. 

               David Roberts                
UK TPI Market

David Roberts has been in the UK energy market since the 1990s and has worked on both sides of the supplier and TPI interface. He started his career in gas engineering and then moved into trading for Centrica, before managing commercial product development for British Gas Business. David was Head of Operations for Energyquote until its successful acquisition by Accenture and then moved into a Head of Sales Support role for Advantage Utilities; leading their proposition and process redesign. 

David has been consulting since 2017 and has worked with clients including Ergo 3, Haven Power and Avantigas, reviewing their commercial partnerships, partner selection and all supporting processes. David is well known across the retail market and is able to provide guidance to TPIs based on a strong understanding of market participants, where risks sit and how they can be best addressed. David was a founding associate within the TUME Network and has a strong understanding of the expert capability available to support TPI clients.

Phil Biddle
UK Partner Network

Phil Biddle is a proven leader within the UK Energy Industry and has worked within it for over 30 years. Phil spent a long career within E.ON leading B2B sales teams (including integrating the TXU Energi and Economy Power portfolios). Phil led E.ON’s Energy Efficiency development activity before moving across to be Head of SME Retail. He next moved to EDF Energy as Interim SME Director before moving to be Director of Major Accounts leading the integration of the British Energy Direct portfolio. Finally, Phil was a founding member of the Bristol Energy leadership team, initially leading the set up of the B2B division, before transitioning to Director of Sales and Marketing.



Phil has been consulting on and off since 2009, filling the gaps between leadership roles and holds a great blend of experience and perspectives. Phil leads on TUME’s 3rd party arrangements, ensuring the continued evolution of the group by working collaboratively with others for the mutual benefit of all parties.


Partner Consultancies

New Energy Consulting (NEC) offers hands-on consultancy to new entrants. challenger suppliers and white label players; helping them enter and develop within the UK energy retail market. It is able to provide support across the full range of responsibilities falling on suppliers and across the customer journey. New Energy Consulting compliments TUME Interim; due to its specific detailed operations expertise within supply business operations. The company is led by Rob Eynon and Jackie Street.

For more information on New Energy Consulting please visit them here


Eneropp offers a full suite of mobile optimised customer self service and integration solutions for Utilities companies to provide to end consumers. Since it was founded in 2014, they have partnered with independent utilities consultants involved in projects across the globe. In addition to the self service product set, they offer general consulting with associates skilled across most supply domains and full project life cycles; from large multi-national enterprises to very small start-ups.The company is led by Dave Hodgson and Steve Powell.

For more information on Eneropp please visit them here


Ainsty Risk helps manage energy and related risks relating to electricity and gas use. It provides independent assessments of energy supply and of infrastructure. Advisory and assurance services include management and compliance of energy market regulations, energy risk management, helping to use energy better and providing quantitative risk analysis & structured decision support. Ainsty Risk also provides regulatory compliance report support, short and long term operational support for regulatory compliance reporting, including SECR. The company is led by David Hirst.

For more information on Ainsty Risk please visit them here

Tilix offers experience in energy, clean-tech and e-mobility. Its solution expertise focuses around innovation and technology in computing, electric engineering and chemistry. Day to day, Tilix works with the ideas, innovation and technology that will solve global energy problems and create opportunities to make life better for everyone. The firm was founded in 2015 and comprises a growing roster of associates, support staff and partners. Tilix’s operates on the basis we are in a race against time rather than in competition with other firms; its “governing circle” includes Neil Williams, Andrew Hancock and Duncan Tytler. 
For more information on Tilix please visit them here