Yahoo probably would have focused more on media than on technology if it had chosen Ross Levinsohn to be CEO instead of former Google exec Marissa Mayer. But Levinsohn, who served as interim CEO for two months, tells CNBC that he’s pleased to see “optimism again” under Mayer and urges investors to “give her time.” Having left the company, he says he’s looking for opportunities to support “premium media” including video which he says “is not replicable.”