Marissa Mayer is 49 years and 6 month(s) old. She was born in 30 May, 1975. Marissa Mayer is a computer scientist and a business executive of American nationality. She is now serving like the president and also as a chief Executive Officer for Yahoo. This is the position she had since 2012, she graduated from Stanford and she was a long time executive and a usability leader. He is the key spokesperson of Google.