Holly has worked with the HPower Group for more than 20 years. She is the CAI Driving Organiser for Royal Windsor Horse Show and London International Horse Show, other events and projects she has worked on for HPower include The Euston Park and Rushford Endurance Rides, Royal Windsor Endurance Rides, The Alltech FEI European Jumping and Dressage Championships, The Platinum Jubilee Celebration and All The Queen’s Horses. Holly has also previously been involved with organisation and management of Tokyo 2020, London 2012, Barbury International Horse Trials, Bramham International Horse Trials, Badminton International Horse Trials, The Festival of British Eventing and Blenheim International Horse Trials.