Benjamin James Goldsmith (born 28 October 1980) is an English financier and environmentalist. The son of financier James Goldsmith and Lady Annabel Goldsmith he is founder and CEO of London-listed investment firm Menhaden, which focuses on the theme of energy and resource efficiency. Previously he co-founded the sustainability-focused investment firm WHEB, whose private equity business split away in 2014 and now trades under the name Alaina Partners. He has used his personal wealth to support both philanthropic and political projects in the area of the environment and sustainability.