Maestro Diemecke began his rise to musical leadership at the Teatro Colón as Music Director of the Buenos Aires Philharmonic, an anchor ensemble of the theater. He continues at the helm of the Philharmonic an unprecedented 14 years on, and has overseen all artistic activities of opera, concerts and ballet, since February of 2017. Maestro Diemecke has also 31th seasons as Music Director of the award-winning Flint Symphony Orchestra in Michigan in the 2019-2020 season.
In 2018 and 2019 Diemecke conducted the orchestras of the Teatro Colón in massive concerts for 160 thousands people in Rosedal Square of Palermo, Buenos Aires, and San Martín Square, Mar del Plata, with the program El Colón Federal. Also, in 2017 he has been awarded with the medal “Mérito en Artes” by the Asamblea Legislativa of Mexico City, and in 2018 the prix “Mexicano Distinguido” from the Chancellery of the Government of México.