They do. Well, I should say Thunderbird is also under the Foundation, but is developed by a separate subsidiary Corp (MZLA Tech Corp) than Firefox (Mozilla Corp).

He was CEO briefly, until the controversy over his appointment got loud enough. It makes sense he would’ve been paid the most that year, especially with the golden parachute CEOs get when they leave.

His appointment remains one of the most damaging events in Mozilla’s history, as it led to the resignation of multiple prior leaders (including previous CEOs). Making him CEO might’ve been Mitch Baker’s worst decision as chairwoman.