The Cabinet Secretary nominee for EAC, Arid and Semi-Arid Lands and Regional Development CS nominee Rebecca was on Friday vetted for the post.
She was the last nominee to appear before the National Assembly Committee on Appointments on Friday at County Hall.
The KenGen CEO said she is worth Sh379,100,000 which includes family land, properties and vehicles.
If her nomination is approved, Miano will take over from Betty Maina who replaced Adan Mohammed.
She said she will work towards pursuing and protecting Kenya's interest in the EAC.
"I also look forward to participate in the development of our regions and our Arid and Semi-Arid land for posterity, prosperity an for the good of our people in Kenya," she added.