Joe McDonald has over 12 years of experience in the energy sector. As former Vice President of Sales and Product at energy startup Limejump, he led the development of virtual power plants that allow small, renewable energy assets to access the market opportunities of larger utilities and steered the company’s successful exit to Shell in 2019, earning him a spot on Forbes' 30 Under 30 Europe list.

Motivated by the inefficiencies in energy market transactions, he founded tem. in 2021 to democratise renewable energy and accelerate the clean energy transition. tem.’s platform uses a unique matching algorithm to make energy transactions affordable, smarter and 100% traceable for any business owner and renewable generator across the UK.