Based in London, Tennant is currently chair of Duncan Lawrie Private Banking, vice-chair of the advisory board of Paladin Capital Group and director of Ledunfly. From 2011 to 2014, she served as CEO of Kleinwort Benson. Before that, she was CEO of Lombard Odier in the UK and of Schroders Private Banking.

Former executive chair Kirsten English remains CEO of Style Research.

"Sally has the industry knowledge and expertise to ensure that we stay ahead of key market trends and adapt our services to a changing marketplace," said English.

Style Research provides analysis services to more than 300 institutions in nearly 30 countries, including asset owners, investment managers, hedge funds, fund-of-funds managers, investment consultants, custodians and advisors.