He completed his secondary studies at Inyemeramihigo College at Gisenyi and in Goma in the Democratic Republic of Congo.

He was on the national board of planning and development for the Church of Uganda for 9 years and was the chairman of the project committee.

He started a heifer project in Bunyoro which provided not only milk but also financial support to poor families.

[4] The final UN report stated: RPF members have been recruiting sympathizers and raising funds for M23 from within Rwanda.

[5] In 2013, a United Nations report said that Rucyahana was forced to stop fundraising for M23 because he was part of the support network of Bosco Ntaganda inside Rwanda, which was dismantled.

The report said: A former Rwandan Patriotic Front (RPF) member, two former RDF officers and a politician loyal to Ntaganda, told the Group that Bishop John Rucyahana, a Ntaganda ally in Rwanda who recruited politicians and raised funds for M23, had to stop his collaboration.