Our Team

Senior Management

Flexion Energy’s experienced management team has a comprehensive blend of technical and commercial expertise, complemented by extensive knowledge of the UK’s electricity grid network, having helped to pioneer UK energy storage over the last decade.

Hassen has focussed on renewable energy, clean technology and project financing since 2008 and has an extensive development track record in energy storage, solar PV and onshore wind. He worked at Lightsource (now part of BP) between 2013 and 2016, which was at the time the largest solar PV developer in Europe. In 2018 Hassen founded ion Ventures with Dan Taylor and in 2020 they founded Flexion Energy. Hassen’s corporate and project finance capabilities include structuring of equity and debt, and financial modelling.
Hassen is a Fellow of the Energy Institute and chairs the Singapore division of the Energy Institute’s energy optimisation and storage committee, aiming to bring more flexibility into power systems in Asia-Pacific. Hassen is also a quoted contributor to World Energy Council Innovation Insights briefs focussed on Energy Storage and Energy Infrastructure, also contributing to the 2019 World Energy Scenarios, with a long-term view out to 2040.


Dan has worked in the energy and utilities industry his entire career, working across the whole supply chain. He is a highly capable and demonstrable technical lead with a vast background in power and electrical systems, including five years with a DNO/DSO. Dan developed Europe’s first Tesla grid connected system and was an industry pioneer in the demand side revolution in the UK in 2010, securing some of the largest contracts to date. In 2018 Dan founded ion Ventures with Hassen Bali and in 2020 they founded Flexion Energy.
Dan is regularly called upon to speak about energy storage, grid system flexibility and eMobility across the world and continues to share experience and expertise regularly. Dan also chaired the UK’s first flexible working group, the STAs Solar+Storage Working Group, lobbying the UK government on flexibility.