News of Note—Adtran, Cheddar, Roku, Vonage and more

> Cheddar, the business and tech news service focused on affluent millennials, has landed a $22 million Series D funding round led by Raine Ventures. Multichannel News article

> Adtran has secured Sumitomo Electric’s EPON business, enabling it to enhance its engagement with cable MSOs selling fiber-based business services. FierceTelecom article

> Roku’s ad-supported video channel will be launching on some Samsung smart TVs later this summer. FierceVideo article

> Metro Goldwyn Mayer today announced the departure of CEO Gary Barber and the initiation of a search to find his replacement. FierceVideo article

> Vonage is taking a new step with the way it works with channel partners with the debut of its Vonage Partner Network program, enabling partners to solve customers’ complex communications service issues. FierceTelecom article