Hannah has directed work for the following organisations:

Amsterdam Sinfonietta
BBC Proms
BBC Concert Orchestra
Birmingham Royal Ballet
Bridge Project, London Music Masters
Britten Sinfonia
Cambridge University
De Bachvereniging (Netherlands)
Het Concertgebouw, Amsterdam
City of Birmingham Symphony Orchestra
Cambridge Corn Exchange
City of London Festival
City of London Sinfonia
CREATE
Chamber Orchestra of Europe
Cyprus Cultural Centre
Danish National Opera
English National Ballet
English National Opera
European Commission
Fundacja Nowa Orkiestra Kameralna (Warsaw)
Garsington Opera
Glyndebourne Opera
The Hague Conservatorium
Jeunesses Musicales
London Philharmonic Orchestra
London Symphony Orchestra
Luxembourg Philharmonie
Luxembourg Conservatoire
Melbourne Symphony Orchestra
Monteverdi Choir and Orchestra
Mostar Sinfonietta
Netherlands Broadcasting Music Centre (Muziek Centrum Van De Omroep)
Northern Sinfonia
Opéra de Dijon
Opéra Bastille, Paris
Opera North
Orchestre de Paris
Orchestra of the Age of Enlightenment
RESEO (European Network for Opera and Ballet Education)
Royal Academy of Music
The Royal Ballet
Royal College of Music
Royal Concertgebouw Orchestra
Royal Opera House, UK
Royal Swedish Opera
Royal Philharmonic Orchestra
The Sage, Gateshead
Scottish Ensemble
The Sixteen
The Southbank Centre, London
Southwark Splash
Spitalfields Festival
Welsh National Opera
Wigmore Hall
Worldskills