"This issue should be resolved through negotiations", Gebeyehu said when asked about the bloc's position on the Ukraine conflict.
"It affects the whole world, not just this region, and that is why we are in favor of a peaceful resolution of this issue and are ready to make our contribution to this cause," he added.
The secretary, who previously served as an Ethiopian Foreign Minister, added that IGAD has an "unbiased position" on the conflict.
In 1986, an agreement was concluded by Djibouti, Ethiopia, Kenya, Somalia, Sudan, and Uganda to launch a regional authority to fight drought and desertification. Ten years later, the body was superseded by IGAD. The bloc was joined by Eritrea in 1993 and South Sudan in 2011.