Talking with Jon Youshei (Product Marketing Manager of Instagram IGTV). Jon Youshaei. Jon is a YouTube marketing guru, business writer and creator of Every Vowel, a popular workplace cartoon series called “the Dilbert for millennials.” As YouTube’s Head of Creator Product Marketing, Jon worked with the platform’s stars to grow their communities and create viral content with millions of views. Today, he works at Instagram as Product Marketing Manager for their new video platform, IGTV. Jon has also been named a top marketer by Forbes and Entrepreneur.