Rosenmeier, an accomplished athlete, manager, media professional, and motivational speaker, has made significant strides in his career. Born on 6 September 2015, he has been a prominent figure in Danish sports. He is married to Marleen and has two daughters, Stella and Alix. Rosenmeier speaks both Danish and English fluently.

| Season | Event | Rank |
|---|---|---|
| 2016 | Singles - Class 6 | G Gold |
| 2008 | Singles - Class 6 | G Gold |
| 2020 | Singles - Class 6 | S Silver |
| 2012 | Singles - Class 6 | B Bronze |
| 2004 | Singles - Class 6 | B Bronze |
| 2004 | Men's Team Class 6-7 | 5 |
| 2016 | Men's Team Class 6-8 | 9 |
| 2008 | Men's Team Class 6-8 | 9 |
Between 2008 and 2012, Rosenmeier faced muscle problems in his left thigh. Despite these challenges, he continued to excel. One of his most memorable achievements was winning gold in the class 6 men's singles at the 2016 Paralympic Games in Rio de Janeiro. This victory was significant as it was broadcasted on national TV in Denmark.
Rosenmeier credits his family as his primary influence. His philosophy is clear: "Just because you don't look like everybody else you don't have to prove yourself more than anybody else." This mindset has driven him throughout his career.
In 2022, Rosenmeier hosted 'Rosenmeiers rejse' on Danish television. The show took him to Uganda, Ukraine, and the United Arab Emirates to meet people with impairments. He also hosted an online talk show inspired by 'The Last Leg', aiming to change perceptions surrounding impairments.
Rosenmeier aims to win a gold medal at the 2024 Paralympic Games in Paris. Post-retirement, he plans to focus on being a TV host. He envisions a programme that doesn't centre around disabilities but showcases determination and effort regardless of appearance.
In 2022, Rosenmeier became a recruitment manager for Rising Stars, a development programme for children with impairments launched by Parasport Danmark in 2018. He believes it's crucial to have spaces where impairments don't matter and sees it as a bonus if these children become world stars.
Rosenmeier was the flag bearer for Denmark at the opening ceremony of the 2012 Paralympic Games in London. This honour highlighted his status as a leading figure in Danish sports.
Rosenmeier's journey from aspiring footballer to celebrated table tennis player is inspiring. His contributions extend beyond sports into media and community work, making him a multifaceted personality dedicated to making a difference.
Rosenmeier, an accomplished athlete, manager, media professional, and motivational speaker, has made significant strides in his career. Born on 6 September 2015, he has been a prominent figure in Danish sports. He is married to Marleen and has two daughters, Stella and Alix. Rosenmeier speaks both Danish and English fluently.