Jagadeesh Subbaiah Moodera is an American physicist of Indian origin and is senior research scientist at MIT's Francis Bitter Magnet Laboratory. In 1994 together with the MIT research team led by P.M. Tedrow and R. Meservey, they showed a practical way to implement room temperature magnetic tunnel junction (MTJ) using a magnetic stack based on CoFe–Al2O3–Co, demonstrating a tunnel magnetoresistance ratio (TMR) of 11.8%.