Merck Mercuriadis, founder and Chief Executive Officer of Hipgnosis Song Management (HSM) is to be appointed Chairman of the company. Ben Katovsky, currently HSM’s President and Chief Operating Officer, will succeed Mercuriadis as HSM’s CEO. HSM said that Mercuriadis will continue to “lead engagement with songwriters, artists and the music industry, generate opportunities to increase consumption and enhance the value of HSM’s client’s portfolios.