# Mattel Appoints EdgePoint Partner Lee Matheson to Board Under Agreement By John Kim Canonical URL: https://www.tokenpost.com/news/business/37652 Published: 2026-10-22T08:50:04.000Z Updated: 2026-10-22T08:50:04.000Z Section: Business > EdgePoint manages an approximately 18% stake in Mattel. Separately, Southeastern Asset Management, Inc. has urged the toy maker to explore a sale. Mattel appointed EdgePoint Investment Group Inc. partner Lee Matheson to its board Oct. 21 under a cooperation agreement, adding a director tied to the manager of an approximately 18% stake. EdgePoint manages the stake in the toy maker. Matheson’s appointment comes as Mattel faces a separate request from Southeastern Asset Management, Inc. to explore a sale. Southeastern said in a May 7 letter that it managed more than 4% of Mattel’s common stock for clients. It urged the board to consider a sale to private equity, another toy company or a media company. Mattel responded that its board would consider Southeastern’s views while continuing its toy and family entertainment strategy. Mattel also [named Peter Griffith as CFO and a director]() in a separate leadership change. Griffith was set to replace Paul Ruh, who will advise the company through Dec. 31 during the transition. ## Links in this article - [named Peter Griffith as CFO and a director](https://www.tokenpost.com/news/people/34890)