Who's who in the orchestra Viola Meet the violas of the London Philharmonic Orchestra David Quiggle Joined the LPO in 2017 Principal Viola Read more ... Richard Waters Joined the LPO in 2019 Co-Principal Viola Read more ... Robert Duncan Joined the LPO in 1977 Read more ... Ting-Ru Lai Joined the LPO in 2019 Read more ... Katharine Leek Joined the LPO in 1991 Read more ... Susanne Martens Joined the LPO in 2005 Read more ... Benedetto Pollani Joined the LPO in 2000 Read more ... Laura Vallejo Joined the LPO in 2004 Read more ...