Associates

Gary Beestone
Founder


Gary Beestone
Founder
Gary is GBA’s Founder, a Tony Award-winning Technical Director and an Olivier Award-winning Producer. He is Project Director for Cabaret at the Kit Kat Club and International Technical Director for Stranger Things: The First Shadow, Harry Potter and the Cursed Child and Paddington the Musical. His credits also include Technical Director for Eurovision in Liverpool and Producer of Birmingham’s Commonwealth Games Opening and Closing Ceremonies. Through GBA, he works with producers and creative teams to develop and originate productions across theatre and live entertainment. Alongside his work with GBA, Gary is a Trustee of Southwark Playhouse.
Zoe Snow
Director


Zoe Snow
Director
Zoe is a Director and partner at GBA and an Olivier Award-winning Executive Producer. Her theatre credits include The Curious Case of Benjamin Button and Manic Street Creature. She was Executive Producer of Birmingham’s Commonwealth Games ceremonies and Supervising Producer for Eurovision in Liverpool. Her work for Secret Cinema includes Grease: The Immersive Movie Musical and the forthcoming Disney’s Pirates of the Caribbean: The Immersive Adventure. She has also worked on productions with Paramount, MTV, Nike, Coca-Cola and Converse, led experiential campaigns for Engine Group, Imagination and 160over90, and mentors with the industry programme Elevate.
Richard Seary
Managing Director


Richard Seary
Managing Director
Richard is GBA’s Managing Director, overseeing operations, financial and commercial strategy, and the General Management office. He has worked with Gary and Zoe for over 20 years, combining a production management background with responsibility for business affairs, contracting, compliance and production finance. He works closely with producers, finance, production and creative teams, helping establish the structures that support projects from development through delivery. Richard trained at the Royal Central School of Speech and Drama and was Financial Director for Birmingham’s 2022 Commonwealth Games Opening and Closing Ceremonies. Based in Cornwall, he works across GBA’s UK and international projects.
Oli Bagwell Purefoy
Production Manager


Oli Bagwell Purefoy
Production Manager
Oli is a RADA-trained Production Manager at GBA, following a 10-year career in stage management. His portfolio includes Paddington the Musical, Stranger Things: The First Shadow, Thelma & Louise the Musical and Harry Potter and the Cursed Child in London, Melbourne, Hamburg and Tokyo. His other GBA credits include Come Alive! The Greatest Showman Circus Spectacular, Cabaret at the Kit Kat Club, Anne Boleyn the Musical and the Birmingham 2022 Commonwealth Games Opening Ceremony. Alongside his production management work, Oli is trained in IOSH Managing Safely and Emergency First Aid at Work and holds an IPAF licence.
Spencer Tiney
Resident Production Manager


Spencer Tiney
Resident Production Manager
Spencer is GBA’s Resident Production Manager, overseeing Harry Potter and the Cursed Child, Come Alive! The Greatest Showman Circus Spectacular and Paddington the Musical in London, and supporting Harry Potter and the Cursed Child internationally. A Rose Bruford graduate, he joined GBA in 2021 after 13 years in West End and international stage management, with credits including Wicked, The Book of Mormon and Walking with Dinosaurs. His wider work includes new production development, the Birmingham 2022 Commonwealth Games Opening Ceremony and the management of GBA Studios. Spencer holds IPAF, forklift and First Aid at Work qualifications.
Sam Kelly
Production Manager


Sam Kelly
Production Manager
Sam is a RADA-trained Production Manager at GBA, with a background spanning theatre, live events and immersive experiences. Following his training, he gained experience through freelance roles and touring work across the UK and Ireland. He later worked with The Production Family as an Assistant Production Manager, contributing to the creation of theatre and other live productions. Sam aims to continue developing diverse live events and multidisciplinary projects, with a particular focus on high production values for audiences both nationally and internationally. He is trained in IOSH Managing Safely, IPAF and First Aid at Work.
Aimee Hulme
General Manager


Aimee Hulme
General Manager
Aimee is a General Manager at GBA with over 20 years’ theatre experience. She began in stage and company management on productions in London, New York and internationally, including Priscilla Queen of the Desert, the Pinter at the Pinter season, Fiddler on the Roof, Leopoldstadt and Harry Potter and the Cursed Child. She then became Associate Producer at Sonia Friedman Productions, working on Harry Potter and the Cursed Child and Paddington the Musical. More recently, she has worked as a freelance General Manager and consultant on productions including High School Musical and Club NVRLND at The Vaults.
Amy Hendry
General Manager


Amy Hendry
General Manager
Amy is a General Manager with 10 years’ experience across commercial producing, general management and new work development, spanning the West End, touring and immersive theatre. She manages Secret Cinema’s Grease: The Immersive Movie Musical and the forthcoming Disney’s Pirates of the Caribbean: The Immersive Adventure. Previously, she was General Manager at Melting Pot Productions, working on Life of Pi, Ghost Stories and the development and opening of One Day: The Musical. She also spent five years with National Theatre Productions and has worked with the Michael Grandage Company, New Diorama Theatre and Finborough Theatre.
Daisy On
Production Associate


Daisy On
Production Associate
Daisy is a Production Associate at GBA, supporting the planning and delivery of the company’s productions. She brings over 10 years’ stage management experience across musical theatre, plays, live events and immersive productions. After training at the Central School of Speech and Drama, she worked as a Company Manager on off-West End musicals and as a Show Caller on audience-driven shows. Her credits in this area include work for Secret Cinema, Netflix, Amazon Prime and The Production Family. Daisy brings organisational and coordination skills, together with a broad theatrical background, to her work with GBA.
Mary Halliday
Prop Supervisor


Mary Halliday
Prop Supervisor
Mary is a freelance Prop Supervisor working with GBA and across theatre. Her GBA credits include Harry Potter and the Cursed Child, Stranger Things: The First Shadow, Stereophonic, Come Alive! The Greatest Showman Circus Spectacular, Cabaret at the Kit Kat Club and Anne Boleyn the Musical, alongside development workshops and upcoming productions. Her wider work includes Moulin Rouge! The Musical, The Book of Mormon, Anything Goes at the Barbican, My Fair Lady at the London Coliseum and The King and I at the London Palladium. Further credits include Kyoto at Soho Place and Fear of 13 at the Donmar Warehouse.
Raga Sooriyakumaran
Finance Assistant


Raga Sooriyakumaran
Finance Assistant
Raga is GBA’s Finance Assistant, supporting the day-to-day financial administration of productions and projects. Her responsibilities span accounts payable and supplier management, alongside the wider processes that keep production finances running smoothly. She brings over 10 years’ experience working across the UK and US, with a strong background in high-volume invoice processing, payment runs, reconciliations and stakeholder support. Working closely with producers, heads of department and suppliers, Raga helps keep financial processes accurate, timely and well controlled, supporting the teams involved in GBA’s productions and the suppliers who work with them.