Dan Houser has left Take-Two after working with the company and his brother for several years. Dan was the primary writer for the portfolio of games.
Speculation has been rampant but more than likely Mr Houser simply wants to relax and let others run the company. Take-Two Interactive, announced his resignation from Rockstar Games and that it will take effect from 11 March 2020.
Grand Theft Auto 5 has been the most successful game very published.