I have not found a link to Lynd and his organization to the attorney Barry Slotnick, who is represented Captain Jay Ferriola. I did find it interesting that Monica Davey of the New Your Times also covered these cases of soldiers retaining attorneys to fight enlistment extensions (see my link in my original post to her story on the current lawsuit by Lynd and co.):
Former G.I.'s, Ordered to War, Fight Not to Go, By MONICA DAVEY, New York Times