Mezue ahịrịokwu na-esonụ: Ọrụ ndọrọndọrọ ọchịchị Keenan bidoro site n'ịrụ ọrụ n'ụlọ ọrụ na-ezigara Ted Kennedy akwụkwọ ozi n'afọ 2003, tupu ọ gaa n'ihu bụrụ onye enyemaka onye omebe iwu. Mgbe ọ rụchara ọrụ dị ka onye na-enyere ndị ọrụ aka na Kọmitii Ahụike, Agụmakwụkwọ, Ọrụ na Penshọn nke Senate, Keenan gụsịrị akwụkwọ nke abụọ na iwu ọha na eze na John F. Kennedy School of Government, na-amụ ide okwu na nnyefe n'okpuru Steve Jarding. N'afọ 2007, Keenan were oge ezumike n'okwuchukwu na
Mgbasa ozi Barack Obama, na-arụ ọrụ n'okpuru Jon Favreau, tupu ọ laghachi na Kennedy School iji mezue afọ nke abụọ nke ọmụmụ ya. Ọ nọgidere na-etinye aka na mkpọsa ahụ n'afọ ahụ, na-efega Iowa n'oge ezumike ekeresimesi iji nyere aka na nkwadebe maka caucuses Iowa. Mgbe Hillary Clinton kwetara na June 2008, Keenan laghachiri dị ka onye ọrụ oge niile na mkpọsa president Obama.