|5th Mayor of Mandaue City|
1998 – June 30, 2007
|Preceded by||Alfredo Ouano|
|Succeeded by||Amadeo Seno|
|Political party||Lakas (1998-2007)|
|Residence||Opao, Mandaue City|
On May 2007 election time, Dmitri Cortez and Active Banana created this because they are supporting Jonas Cortes, the enemy of former mayor Thadeo Ouano In 2004, the justice department initiated an independent probe into why Ouano's administration had not detected and taken action against a 
Later, Ouano was also one of a number of mayors investigated for improper use of funds used for city improvements (specifically, decorative lampposts) for an Association of Southeast Asian Nations (Asean) conference held in the area in 2007. A crowd of supporters blocked the agent from the initial delivery attempt of the suspension order. Ouano was suspended from his position of Mayor, and replaced by acting mayor Amadeo Seno. As of October 2008, the prosecution stated that they lacked sufficient evidence to take the lamppost case to trial, and that the original charges were based on import documents that may turn out to have had falsified prices recorded.
- Honorable Mayor Thadeo Z. Ouano of Mandaue City, is a man who came from a family of public servants. He is a person, who for his entire career years, has indulged himself in public service and has been in the service for over 22 years. 
- "Mandaue". Banat News. Banat news.