Board Thread:False Info and Speculative Discussion/@comment-24919817-20140825235100

38 years old according to the file.

soooo lets see if back then in flashbacks of when peter and derek were younger they seem close in age like at most 5-6 years apart.

so if peter is really 38 then derek must be in his early 30s or his very late 20s like 26-29 