David is co-manager of the Global Opportunities, Leaders and US Environmental Leaders strategies. He has global research responsibility and specialises in Energy Efficiency and Pollution Control environmental markets sub-sectors. David researches stocks globally with a focus on the Technology and Telecommunications sectors. 

David joined Impax in 2015 from the in-house asset management team at Tesco Pension Investment where he had joint responsibility for the successful development, launch and management of a new global equities investment platform for Tesco’s pension fund.  Prior to this David was a fund manager at Sarasin & Partners, where he was responsible for the firm’s Asia-Pacific equity fund and for contributing investment recommendations to Sarasin’s flagship thematic Global Equity fund. 

After graduating from the University of Bath, David began his career at Insight Investment on the Global Equities graduate scheme in 2003 as a global equity analyst.