A "time collaborator" refers to someone who joins forces or works together with time itself. They are efficient and effective in managing their time and use it wisely to achieve their goals.
We are long - time collaborators who have developed many projects together over the past several years. (kickstarter.com)
A long time collaborator with Marc Jacobs, Beckman was responsible for Spring / Summer 2015's surreal hazy purple gravel moat catwalk. (businessoffashion.com)
He is a long time collaborator with Rodriguez also on «Desperado» and «Planet Terror». (mediamikes.com)