- Profession: Mayor of Amsterdam (1910-1915), Commissioner of the King for the province of North Holland (1915-1940),
- Relation to Mahler: Chairman executive committee Gustav Mahler Festival Amsterdam 1920 (Party committee, 1919).
- Correspondence with Mahler: No.
- Born: 21-08-1864 The Hague, the Netherlands. Son of W.F. Röell.
- Died: 29-11-1940 Haarlem, the Netherlands. Aged 76.
- Buried: 00-00-0000
Also: Baron Jhr. mr. dr. A. Roell, Röell
Did not like politics, but rather from decorum and grandeur, great in speeches, not big of stature, somewhat set.
- 05-10-1917 Gave Willem Mengelberg (1871-1951) a new passport after a incident at the Dutch-German border near Groesbeek in 09-1917.
- 09-05-1920 He was in House Willem Mengelberg during the Willem Mengelberg (1871-1951) ceremony.
- 16-05-1920 Reception for Willem Mengelberg (1871-1951) in Haarlem.
- 22-05-1920 Offered Willem Mengelberg (1871-1951) a work (bronze) of art that was made during the Gustav Mahler Festival Amsterdam 1920 by the deaf and dumb visual artist Gustinus Ambrosi.
- 1898-1904 Mayor Leeuwarden
- 1904-1910 Mayor Arnhem
- 1910-1915 Mayor Amsterdam
- 1915-1940 Commissioner of the King for the province of North Holland (1915-1940).