UKAEE Committee

Raj Nijjhar

BEng (Hons), MSc, MBA, CMVP, CEM, CEA

I have over 16 years of experience in the water, construction, and energy and sustainability industries and currently specialise in the measurement and verification of energy efficiency savings through my company ( I am involved in the delivery of M&V services for energy performance contracts, the implementation,  audit and review of M&V plans and also deliver CMVP and bespoke M&V training courses.  As the UK BSI expert, I was part of the core team responsible for the development of ISO 50015 - the international M&V standard.  

In my spare time, I play competitive tennis, run and am writing a children's book. If anyone will ask, I'll join in for a game of golf or go skiing. I also like to volunteer with marine conservation organisations.

Yodaly Sierra-Rubio

Current Energy Consultant at CBRE UK, with the account of the most energy efficient biomedical building in Europe (The Francis Crick Institute) as Energy Manager. 4 years in the energy industry (Oil and Coal mining upstream sector) and 3 on the financial sector (International conglomerate risk management). Business Manager, Master in Finance & international business -Distinction- and Master in Energy and Economics - Distinction - from City University of London.

I’ve been Speaker at the European Commission Energy Sustainability Week 2015 and COP 21;  Guest Lecturer at City University of London in Energy Markets and Renewable Technologies.

In my free time I enjoy energy or finance conferences, networking with other professionals and trying to find the £1 million idea for entrepreneurship.

Funsho Alo

BEng (Hons), MSc, LCC, CMVP

I am an Energy Consultant and a Certified Measurement and Verification Professional (CMVP) with over 10 years’ experience in the energy and sustainability industry ranging from oil & gas production to renewable energy generation in Europe and Africa. I have an extensive background and knowledge in helping private and public sector organisations develop energy and carbon management strategies and policies that support the adaptation and mitigation of the effects of climate change. Currently, I specialise in helping organisations identify, assess, implement and monitor energy efficiency and renewable energy initiatives, which contributes to achieving their sustainability goals while also ensuring compliance with relevant legislation.

I'm a technophile who believes technology used in an ethical manner improves quality of life and significantly contributes to positive socioeconomic development. In my spare time, I love playing football, developing apps and working in my local church.

Amita Mehta
Training & Certification

BSc (Hons) MSc CEng MEI Chartered Energy Engineer CMVP CEM

An Energy Manager with 15 years experience in the energy field, in public and private organisations, as well as in domestic and non-domestic environments. A wide range of project management and leadership experience, in a range of sectors, has provided expanded depth and breadth of energy knowledge. I am a Low Carbon Consultant and an APM Project Manager Practitioner (Level D).

Yassen Roussev
Membership Development

BSc (Hons) ,CMVP, CEM

An Energy Manager with experience from the charity, private and public sectors.

I am interested in driving continual improvement to energy consuming processes through management systems such as ISO 50001.

In my spare time I am a keen: cyclist, caver, gardener and photographer and also lead a large improvised band.

Paul Spencer


I have worked in the renewable energy and energy management sector for over a decade. I currently work for a local public sector organisation, coordinating its carbon and energy management plan which includes implementing and developing low carbon and renewable energy projects across a diverse estate.


In my spare time, I am an independent director on the board of Osney Lock Hydro Ltd, a community funded hydroelectric scheme in Oxford. I am committed to the challenge of driving down energy costs and consumption and implementing practical and innovative solutions to energy management moving away from a dependence on fossil-based fuels.

Neil Kimpton
Events Coordinator

Chartered Energy Manager, CMVP, ESOS Lead Assessor

I am a Chartered Energy Manager, ESOS Lead Assessor and Certified Measurement and Verification Professional. I have a good track record of applying innovative approaches to existing energy contracts to ensure compliance & strong delivery whilst optimising results through process and data driven insight. I currently work as the Energy & Environment Business Manager for Utilyx Mitie on the Lloyds Banking Group Project. I take overall responsibility for setting the Bank’s energy strategy and delivering all commercial aspects of this guaranteed energy savings contract which is the largest of its kind in the UK and unique in the private sector.

My spare time is taken up with my young family and playing and watching football.

Andy Wheeler
Gen Committee

CEM, Chartered Energy Engineer EI

An Energy professional with an extensive engineering background in a continuous manufacturing industry, a good communicator and manager with a broad knowledge in the Energy and Environmental sectors. I am currently working for a small company of energy and engineering consultants ‘Optimised controls’ delivering ESOS auditing services, compliance services such as CCA and engineering project management. I am a lead ESOS assessor and have good experience of ISO 9001, 14001, and 50001.

I'm a keen cyclist that has cycled around the world in Africa, South America and China for Macmillan Cancer raising over £14,000. I also play badminton, board games and have an organic allotment (I know my onions).

Nick Pennell
Gen Committee


I have 25 years experience working in and consulting to the energy sector, covering strategy development and performance improvement in fossil fuels, renewable energy, cleantech and energy efficiency. I am currently Chairman of Lavery/Pennell, a strategy consultancy focused on helping clients to realise improved financial and sustainability performance. I am a Certified Energy Manager (CEM-I) and ESOS Lead Assessor.

My spare time is taken up with family, including two teenage children, along with outdoor activities in the Peak District, where I am based.

Karthik Suresh
Gen Committee


I have over 12 years of experience in energy consulting, working with a range of industrial and commercial organisations. Key areas of experience include Energy Strategy Development,  Energy Risk Management and Procurement, Financial Analysis and Risk Management, Contract and Portfolio Management, Load Management and Demand Response, Engineering Infrastructure Projects, Carbon Management and Renewables Projects. I am a Certified Energy Manager (CEM-I) and ESOS Lead Assessor.

I work for Ameresco, an independent Energy Services Company (ESCO) based in the US that has recently entered the UK market.

I spend my spare time with my young family and am on the board of Sheffield Renewables, a community energy group.

Raymond Yeng
Gen Committee

BEng(Hons) MBA CEng MIMechE CMVP

I have over 10 years’ experience in biomass power systems and power generation in the Far East. In addition, I have over 10 years’ experience in energy management and climate change policies & instruments. (more…)