He joined the English Royal Ballet company in 2000 dancing many solo roles including Benvolio in Romeo and Juliet and works by Forsythe, MacMillan, Ek, Ashton, Balanchine and Kylian, as well as creating roles for such choreographers as Wheeldon, McGregor and Tuckett. He has also expanded his repertoire by performing such works as Sans Response by ex-NDT choreographer Patrick Delcroix.
Meisner has toured extensively with the English Royal Ballet to the US, Japan, Russia, Australia and Europe and has performed with Mara Galeazzi and Friends in galas in Kenya, South Africa and Italy.
He was a finalist in the Eurovision Grand Prix for Young Dancers in Lyon, 1999. He was awarded a prize for most promising newcomer by the Alexandra Radius Fonds in the Netherlands. He produced his own show with dancers from the English Royal Ballet and the Mariinsky (Kirov) Ballet in 2005.
He has also choreographed several pieces for the Royal Ballet Workshop. His dances were also performed in New Works in the Linbury 2008 and galas in England and Italy. His duet called "What if..." was made for up and coming Royal Ballet dancers Melissa Hamilton and Sergei Polunin.
He closely works together with composer Paul Gladstone-Reid and designer Karoline Weber on many projects. He organizes children workshops and also teaches ballet. He was invited to attend Dance East's Rural Retreat for Future Dance Directors in January 2008. His agent is the former dancer Gavin Roebuck
In 2010, Meisner joined the Dutch National Ballet as grand sujet. Increasingly, he is working as a choreographer. One of his choreographies is De Kleine Grote Kist, developed for children aged under four (and their parents). In 2012, he choreographed Het Nationale Canta Ballet, a ballet for 50 ballet dancers and 55 small cars for the disabled. Piece de resistance of that ballet was a double pas de deux: first, Dutch National Ballet soloists Marisa Lopez and Casey Herd performed a pas de deux; after Lopez left the stage, Herd partnered with a red Canta, driven by Dutch writer Karin Spaink. Recently Meisner has choreographed and after we were and Saltarello for Dutch National Ballet.
- Meisner, Ernst at the internet ballet database.
- "Mara In Motion Africa 2007 — Dancing For The Children". Tonight. Independent News & Media. 24 July 2007. Retrieved 15 November 2008.
- "Dance: BALLET MOVES The Orchard DARTFORD HHH". The Independent. 5 August 2005. Retrieved 15 November 2008.
- Craine, Debra (26 May 2008). "New Works at the Linbury Studio, Royal Opera House". The Times. London. Retrieved 15 November 2008.