He got a doctorate in law and afterwards fought in World War I as an enlisted soldier, and then as a senior lieutenant (Oberleutnant).
Woermann was named "Envoy 1st class" in 1936 and worked at the embassy in London, being a close confidante of Joachim von Ribbentrop.
He handled the request of Indian nationalist Subhas Chandra Bose who wanted Nazi Germany to form an alliance with him.
Woermann was unwilling to entertain this demand and considered Bose unpopular in comparison with Mahatma Gandhi and Jawaharlal Nehru.
[3][4] From 3 August 1943 until the end of World War II he served as the German ambassador to China, after Germany recognized the pro-Japanese Nationalist Government in Nanjing, led by Wang Jingwei.