By Simon Jessop and Chris Vellacott LONDON (Reuters) – Jupiter Fund Management’s long-serving chief executive Edward Bonham Carter is stepping down to make way for a new guard charged with accelerating sales and international expansion at the UK-focused investment firm. He will be replaced by Distribution and Strategy Director Maarten Slendebroek on March 17, 2014, and take up a role as vice chairman, responsible for “engaging with key stakeholders” and reporting to Slendebroek. Bonham Carter, brother to actress Helena Bonham Carter, has run the firm since 2000, overseeing a series of landmark events in its history such as a private equity-backed management buyout in 2007 and a stock market listing in 2010. Insiders say the transition marks a new strategic chapter for Jupiter, focused on boosting assets by stepping up sales and marketing and internationalising the firm’s client base.