Theta Delta Chi is a tight-knit group of 30+ active brothers from a variety of different backgrounds. Brothers have attended public, private, and boarding schools as well as being home-schooled. We hail from all areas of the United States as well as internationally from Latin America, the Caribbean, and Europe. Our broad backgrounds are exemplified by the fact that brothers major in almost every engineering major at MIT as well as non-engineering majors and/or minors in fields such as music, biology, management, economics, and brain and cognitive sciences.

Brother involvement extends throughout the MIT campus. Current brothers are on the executive boards of DanceTroupe, Live Music Connection,Electric Vehicle Team, Dramashop, Colleges Against Cancer, the Stand-Up Comedy Club, the Society of Hispanic Professional Engineers, Undergraduate Energy club, and the Interfraternity Council.