Kekoni was trained in the Finnish Jäger Battallion in Germany 1915-1916, and in the French Military Academy in 1919-1920. ADC of the Commander-in-Chief in the War of Independence from 1 March till 9 May 1918; ADC of the Regent from 12 December, 1918, till 15 October, 1919; senior ADC of the President of the Republic 1926-1937. Assistant manager of Strengberg & Co Inc. 1937-1938 and managing director 1938-1953. During the Winter War in special missions of the commander-in-chief; during the Continuation War in special missions of the headquarters and as head of State Communications Bureau.
Commander-in-Chief 1918 | Headquarters 1918
| Vaasa Senate | Hannes Ignatius
| Martin Wetzer | Harald Hjalmarson
| Ernst Linder | Gösta Theslöf | Jägers | St Petersburg Question | Relations with Germany | Cross of Liberty
| Eastern Karelia | Uusimaa Dragoon
Regiment | Fir Twig | Finnish Flag
| Swedish Brigade | Civil Guards | Jäger Conflict | Heikki Kekoni | Red Prisoners | Wilhelm Thesleff
| Aarne Sihvo | Rudolf Walden |
Air Force - Air Weapon | Red and White
Terrorism | Great Parade 16 May, 1918 | Åland Question | Monarchy | Mannerheim's Resignation
COURSE OF LIFE | FAMILY | TIME OF GROWTH | MILITARY CAREER | WAR OF INDEPENDENCE | REGENT 1918-1919 | CIVILIAN | DEFENCE COUNCIL | COMMANDER-IN-CHIEF 1939-1946 | PRESIDENT OF THE REPUBLIC 1944-1946 | RETIREMENT | SPECIAL TOPICS | SEARCH