He is the chairman of Liebreich Associates, through which he provides advisory services and speaks on clean energy and transportation, smart infrastructure, technology, climate finance and sustainable development.

Guests are leaders in clean energy, mobility, climate finance or sustainable development, and have included Tony Blair and Ban Ki-moon.

He graduated from Christ's College, Cambridge, with first class honours in 1984, specialising in mechanics, fluid dynamics, thermodynamics and nuclear engineering.

[11] Liebreich is an avid cross-country skier and has been a regular participant in the Engadin Skimarathon which he has completed in under 3 hours.

In 2011, Liebreich was the executive producer of a video short illustrating the world's ultimate shift away from fossil fuels, titled "First They Ignore You...".

[16][17] He is also a visiting professor at London's Imperial College Energy Futures Lab, a board member for Transport for London, a member of the Advisory Panel of the INSEAD Energy Club, and an organiser of the annual ecovillage event at Les Diablerets, Switzerland.

[23][24] In June 2014, he was reported to have higher odds of winning than better known politicians including David Lammy and George Galloway according to data from bookmaker Paddy Power.

In 1988, he was awarded a Harkness Fellowship by the Commonwealth Fund of New York for his studies at Harvard Business School, where he graduated as a Baker Scholar.

Despite an extraordinary team effort, she died from her injuries at the scene.”[27] In 2005 New Energy Finance was named the Euromoney Ernst & Young Information Provider of the Year.