UK Power Reserve’s management team has a unique breadth of expertise which provides the company with first-class leadership and strategic direction. Their experience spans a wide range of roles within private sector energy and engineering companies and the public sector.

Tim Emrich

Chief Executive Officer and Co-Founder

Tim Emrich

Chief Executive Officer and Co-Founder

Tim Emrich was named Chief Executive Officer in 2014 and previously served as Chief Operating Officer and has been a member of the Board of Directors of UK Power Reserve and its operating subsidiaries since co-founding the firm in 2010.  He is responsible for the day-to-day development, operations, and management of the business and has helped to drive UKPR’s significant growth in the niche UK energy security of supply industry. 

Prior to UKPR, Tim held the role of Director of Business Development for US-based power developer Walters Power International LLC. Throughout his time at Walters Power, Tim was involved in the development of power projects and power generation asset transactions globally, including the UK, US, Western Europe and emerging markets. He was instrumental in establishing the Walters Power UK business in 2009 when he led the development, construction, and delivery of the first purpose-built Short Term Operating Reserve (STOR) power generation plant in the UK. Walters Power UK was ultimately absorbed by UK Power Reserve in 2010.

Prior to his work in the power sector, Tim worked for US President Bill Clinton at the White House in Washington DC from 1998-2001, and continued his work for the former President throughout 2001 in New York City. Tim obtained a Bachelors of Business Administration in Marketing from The University of Oklahoma.

Jon Addis

Chief Financial Officer

Jon Addis

Chief Financial Officer

A qualified ACA, Jon Addis joined UK Power Reserve in 2013 as part of its ambitious plan for growth in the UK energy sector. He was appointed to its Board of Directors in 2014. Jon has a proven track record of working with investors and senior management to develop and implement successful corporate growth strategies. As CFO, Jon is driving forward the business' strategy of continued expansion in the UK energy market.

With a career spanning roles across global accounting firm Arthur Andersen; the private equity division of RBS Group, RBPE; heavy equipment rental, Hydrex Group; the private equity division of Lloyds TSB, LDC; property consultancy, DBK; and business centre operator, Citibase PLC, Jon has a breadth of experience raising finance in the markets and leading successful buy and build and investment-led growth strategies.

Sam Wither

Chief Commercial Officer

Sam Wither

Chief Commercial Officer

Sam Wither joined UK Power Reserve in 2010 at the early stages of its story and joined the Board of Directors in 2014.  Sam is responsible for driving forward development, growth and commercial opportunities to generate strong revenue performance from all assets within the business. 

Prior to joining UK Power Reserve Sam spent the majority of his career within the UK power sector working for National Grid. Sam’s experience has breadth and depth across Gas and Electricity markets developed through roles specialising in Network Operations, Contract Management, Business Development and Regulatory Affairs.

David Broome

Operations Director

David Broome

Operations Director

David Broome joined UK Power Reserve in December 2016 as Operations Director. David is a qualified Chartered Accountant and initially held financial roles both in the UK and abroad. Prior to joining UKPR, David enjoyed a 12-year career in the Power Systems division of Finning (UK) Ltd.

During his time with Finning, David held a variety of commercial and operational roles, most recently being the General Manager responsible for a number of business units within the Power Systems Division, as well as being the director responsible for two Finning subsidiaries. As Operations Director, David is responsible for optimizing the performance of the operational team and power generation assets.

Nigel Jefferson

Programme Director

Nigel Jefferson

Programme Director

Nigel Jefferson joined UK Power Reserve in 2017 after 34 years in the British Army.  His military career was broad and varied and included the delivery of large, complex, multi-million pound Ministry of Defence programmes and projects, including whilst deployed operationally overseas.  

As UK Power Reserve’s Programme Director, he leads on the delivery of future programmes as part of the Company’s ambitious plans for growth in the UK energy sector. 

Nigel obtained a Bachelor’s Degree in Civil Engineering and Management Studies from Leeds University, a Masters in Defence Technology from the Cranfield Institute of Technology, is a fellow of the Chartered Management Institute and holds the APM Practitioner Qualification.

Sean Greany

Project Development Director

Sean Greany

Project Development Director

Sean Greany joined UK Power Reserve as a summer intern while studying at the London School of Economics. Sean continued on working at the Company and was critical in developing the business case which allowed UKPR to secure 364MW of new build contracts in the 2014 Capacity Market Auction.

Sean moved permanently to the UK in January 2015 to oversee and manage UKPR's first phase of 22 newly-contracted power stations. More recently, he has been given responsibility for the financial and contractual risk management of UKPR’s newly contracted gas and battery developments, while also developing the company’s strategic growth platform.

Sean graduated at the top of his class from the University of Oklahoma’s Energy MBA program, and he also holds a degree in finance from Georgetown University’s McDonough School of Business.

Jeni Oppenheimer

Chief Strategist

Jeni Oppenheimer

Chief Strategist

Jeni Oppenheimer joined UK Power Reserve in 2016 as Chief Strategist. She is responsible for optimising opportunities across departments, driving internal growth and igniting innovation. Jeni holds a global MBA from Hult and has worked across four continents in international strategy.

Before returning to the UK, Jeni served as Director on the Partner Solutions team at Global Impact in Washington DC where she worked with Fortune 500 companies and international non-profits in emerging markets. Jeni currently serves on the board of US companies of Mary’s Place and the GrowFund.

Julie Sutton

Corporate Business Services Director

Julie Sutton

Corporate Business Services Director

Julie Sutton joined UK Power Reserve in May 2017 as Corporate Business Services Director. She brings a long and varied career across operational, commercial and people management to the company, where she is responsible for Human Resources, Supply Chain and Health and Safety.

Her role spans interviewing new recruits, reviewing health and safety near misses, managing the office space and ensuring all the right office protocols are in place. Her team works closely in support of the other management clusters to ensure they can focus on driving the business forward.

Julie’s background includes almost 16 years at National Grid, which she joined as a Graduate Trainee. There, she held roles within Internal Audit, Commercial, Contract Management and Gas Distribution Operations. She also spent a number of years in the US, working across Massachusetts and New York state. Immediately prior to joining UK Power Reserve, Julie was a senior operational manager in the white goods industry.

Michael Jenner

Director of Policy and Regulation

Michael Jenner

Director of Policy and Regulation

Michael joined UK Power Reserve in February 2017, where he is currently Director of Policy and Regulation. He began his career with the UK Diplomatic Service where he held a variety of positions in the UK and overseas, including roles developing international energy and climate change policy.

After nearly a decade at the Foreign and Commonwealth Office, Michael moved to Ofgem to develop and implement the European Third Energy Package. He also led on the regulation of the UK gas interconnectors and represented Ofgem at the EU Agency for the Cooperation of Energy Regulators (ACER).

Michael then moved to National Grid as European Policy Advisor, leading the system operator’s representation in Europe on natural gas issues, including at the European Network of Transmission System Operators (ENTSOG). He was also the National Grid board member for Prisma, the European gas capacity trading platform. Immediately prior to joining UKPR, Michael was Head of UK and EU policy, responsible for coordinating policy across the National Grid family of businesses.

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