Leah V. Sibener is a researcher and entrepreneur. She the Vice President of Research at 3T Biosciences, an immunotherapy company that uses machine learning to predict what chemicals would be on cancer cells that would not appear on normal ones. [6]

Leah Sibener grew up in Chicago, Illinois. She graduated from the University of Chicago Lab School.

Sibener graduated from Johns Hopkins University in 2013, majoring in Biophysics. Later, she enrolled in Stanford University as a Ph.D. candidate in Immunology.

While in her doctorate's program at Stanford, Sibener co-founded 3T Biosciences, an immunotherapy company that uses machine learning to predict what chemicals would be on cancer cells that would not appear on normal ones. In addition, they have created a protein engineering process to modify T cells- a type of white blood cell- to target these chemicals and fight against them.

As a track runner during her senior year at Johns Hopkins University, Sibener won the Centennial Conference championship in both the 4x200m relay and 4x400m relays. She also ran the seventh-fastest 400m time in Hopkins history (59.47).

In 2013, she was a recipient of the Detlev Bronk Award for Outstanding Scholarship in Biophysics, which is considered the highest honor for a biophysics major.

In November 2017, it was announced that Leah Sibener and her co-founders Marvin Gee and Luke Lee made the Forbes 30 Under 30 list for 2018; they were listed in the 'Healthcare' section.