3H GROUP ON Nov. 19 opened its Moxy Chattanooga Downtown in Chattanooga, Tennessee. Brand parent is Marriott International. Hiren Desai is founder and CEO of 3H Group. Brand parent is Marriott International. The 108-room lifestyle boutique hotel went up where a brick structure had previously stood. Many of the bricks were used in the Moxy design. Next door, a similar building has undergone an adaptive reuse and houses offices, a brew pub and restaurants.