Meet the Board


Improbable are proud to be overseen by a range of talented creatives and professionals.

Dr David G Knott

Dr David G Knott

Director, McKinsey & Company
David is a Director in Global Health Practice and leads the Firm’s Center for US Health System Reform. He has worked in America and abroad with many of the leading national health insurers and has also been a guest speaker at Columbia, Harvard, MIT, Wharton, Yale, and other universities. He is also a passionate supporter of the arts and also serves on the Advisory Boards of the New York Metropolitan Opera and the Manhattan School of Music.

Elspeth Murray

Elspeth Murray

Company Manager, Puppet State Theatre Company
Edinburgh-based poet and visual artist Elspeth Murray is Company Manager of Puppet State Theatre Company and Chair of Puppet Animation Scotland. She has a broad range of experience as an arts practitioner particularly with poetry and creative writing residencies and was featured in BBC Radio 4’s documentary Blood, Sweat, Tears and Poetry. She has a strong interest in the arts and health having worked as a trainer in Health Promotion and for a cancer network around patient and carer involvement in policy development. She is trained in Critical Response Process, has experience in facilitating Open Space events and is a big fan of Devoted & Disgruntled.

Chris Sandhu

Chris Sandhu

Director in Banking and Capital Markets at Deloitte
Chris is a Director in Banking and Capital Markets at Deloitte primary focussing on working with companies listing on the stock exchange. He is primarily based in the UK, but works with teams and companies across the globe. He has experience working with both large and smaller organisations undergoing growth and change and is passionate about bringing his financial experience to Improbable.

Griselda Yorke

Griselda Yorke

Griselda Yorke is the Deputy Lead Producer at the Royal Shakespeare Company.  Her responsibilities at the RSC include all UK and international touring.  Before joining the RSC Griselda was Executive Producer for the pioneering immersive theatre company, Punchdrunk. Previously Griselda was Executive Director at Cheek by Jowl, producing and touring productions in three languages in the UK and around the world.  Prior to that she was a Producer at the Barbican Theatre where projects included Robert Wilson and Tom Waits’ The Black Rider and Merce Cunningham’s Events.  She has worked in New York, with Pomegranate Arts.  Griselda sits on the Board of Improbable Theatre and the Cambridge Arts Theatre and is a mentor for the National Youth Theatre.


Ruth Mackenzie CBE (Chair)

Ruth Mackenzie CBE (Chair)

Artistic Director Holland Festival
Ruth Mackenzie has been director of the London 2012 Festival (the official cultural programme for the London 2012 Games), general director of Scottish Opera and the Manchester International Festival, artistic director of Chichester Festival Theatre, consultant dramaturg of the Wiener Festwochen, special adviser to the Secretary of State for Culture, Media & Sport and consultant to the Barbican Centre, the LSO, the BBC and the Tate, amongst others. She has been awarded the Peter Brook Empty Space Special Achievement Award and made a CBE by HM Queen Elizabeth II.

Clair Chamberlain

Clair Chamberlain

Managing Director, The Corner Shop PR
Clair Chamberlain worked at Nicky Webb Associates before moving to Blackheath Concert Halls and then the Southbank Centre where she managed marketing for the Dance & Performance, Literature and Education programmes. She then set up Marketing and PR agencies Chamberlain McAuley and then Chamberlain AMPR with Ben Chamberlain before co-founding The Corner Shop PR in 2007.

Phil Clarke

Phil Clarke

Head of Comedy at Channel 4
After an early career as one half of a successful comedy double-act, Phil joined BBC Radio in 1990 and has worked as a comedy producer, series producer and executive producer across the radio and television industry: in-house for the BBC television, and as a freelance and staff member in the independent production sector, including Talkback Productions and Objective Productions, where he set up the company’s comedy department. Phil currently works as the Head of Comedy at Channel 4. His work has received numerous awards including BAFTA’s, British Comedy and Royal Television Society Awards.

Stephen Daldry, CBE

Stephen Daldry, CBE

Film Director and Producer
Stephen started his career in regional theatre before moving to London where he was Artistic Director of the Gate Theatre and the Royal Court Theatre, before moving to the National Theatre and the Public Theatre in New York. His award-winning production of An Inspector Calls is currently touring the UK. His global hit Billy Elliot the Musical won ten Tony awards including Best Musical, more than any other British show in Broadway history. Additionally, award-winning London productions of The Audience and Skylight have recently finished Tony-winning, sell-out runs on Broadway. His first four films Billy Elliot, The Hours, The Reader and Extremely Loud and Incredibly Close together received 19 Academy Award® nominations and two wins. His most recent film, Trash, set in the favellas of Rio de Janeiro was nominated for Best Film not in the English Language in the 2015 BAFTAs. Stephen is currently directing the new Netflix series The Crown written by Peter Morgan. He is Director of the Pier 55 Performance Park in New York and was Creative Executive Producer of the Opening and Closing Ceremonies for the London Olympic and Paralympic Games.