Our team

Our players are the heart of Sinfonia of London, helping us consistently to achieve the highest possible musical standards, give exhilarating performances and create the most extraordinary sound for audiences and listeners around the world.

John Wilson is in demand at the highest level across the globe, working with some of the finest orchestras and opera houses. In the UK, he performs regularly at festivals such as the Aldeburgh Festival, Glyndebourne Festival Opera, and BBC Proms and with orchestras such as the London Symphony Orchestra, London Philharmonic Orchestra, Philharmonia Orchestra, BBC Philharmonic, City of Birmingham Symphony Orchestra, and BBC Scottish Symphony Orchestra with which he held the title of Associate Guest Conductor between 2016 and 2019. Elsewhere, his guest conducting has taken him to the Royal Concertgebouw Orchestra, Budapest Festival Orchestra, Swedish Radio Symphony Orchestra, Royal Stockholm Philharmonic Orchestra, Gothenburg Symphony and Danish National Symphony Orchestra among others.

He studied composition and conducting at the Royal College of Music, where in 2011 he was made a Fellow. John Wilson has assembled a large and varied discography which includes critically acclaimed recordings with the Sinfonia of London, numerous recordings with the John Wilson Orchestra (which he founded in 1994), and series of albums with the BBC Scottish Symphony Orchestra, exploring works by Sir Richard Rodney Bennett, and BBC Philharmonic, devoted to the symphonic works of Aaron Copland. He is represented by Intermusica.

Managing Director Rosenna East joined Sinfonia of London in January 2020. Prior to working alongside John Wilson, she was General Manager of Nevill Holt Opera for five years, where she oversaw the significant growth of the summer opera festival, its charitable education and community programme, and the build and opening of its multiple award-winning opera theatre in 2018.

Rosenna studied at Brasenose College, Oxford and the Royal College of Music, and in 2023 received her Executive Masters in Business Administration with Distinction from Bayes Business School at London’s City University. As well as working as a Development Consultant for the Glasshouse Gateshead, she has held Executive Board and Advisory Board positions with Bayes Global Women’s Leadership Programme, Into Opera, Noise Opera, Creative Carbon Scotland and the Scottish Chamber Orchestra, among others. Until 2014, she worked as a professional violinist in the Scottish Chamber Orchestra, as well as freelancing as a part-time journalist, presenter and teacher.

Francis Williams joined Sinfonia of London in 2023 as interim Managing Director and is thrilled to be working with the orchestra at this exciting time of growth in its development. He works as consultant in the classical music industry, managing projects and giving strategic advice to organisations and artists – recently including Polyarts and the Jess Gillam Ensemble – and he serves as a Trustee for the British brass ensemble Septura.

Francis spent a decade up to 2022 working for Intermusica Artists’ Management, representing soloists and conductors worldwide including Marin Alsop, Fabio Biondi, Renaud Capuçon, Adam Hickox, Alexandre Kantorow and Leonidas Kavakos. Latterly he managed The King’s Singers, overseeing their worldwide touring and recording activity, and managed significant cultural projects with Carnegie Hall and the World Economic Forum. He trained as a percussionist and tenor, and studied at the University of Cambridge, after which he initially worked as a freelance musician himself alongside managing the Rodolfus Choral Courses for young singers.

Declan has been with Sinfonia of London since 2019, working with John alongside his current role as Concerts & Planning Director of the Manchester Collective. Originally from Ireland, Declan grew up in Belfast and studied Music at the University of Cambridge, where he was a Choral Scholar with the Choir of Jesus College, Cambridge. Prior to working with Sinfonia of London, Declan spent the first five years of his career at the BBC, starting off as a Music Librarian before going on to work for the BBC Proms and BBC Philharmonic.