Seven years ago, Northeastern graduate Susan Dina Ghiassian was the first employee of Scipher Medicine Corp., a precision medicine company co-founded by Northeastern professor Albert-László Barabási.

The Waltham-based company where Ghiassian is senior director of data science and network medicine now has 100 employees and recently received Medicare approval for a groundbreaking blood test, PrismRA, that helps target best treatments for patients with rheumatoid arthritis.

“This is the first clinically validated rheumatoid arthritis test that predicts treatment response,” says Ghiassian, who got her master’s degree and her doctorate in physics from Northeastern.

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Photo by Matthew Modoono/Northeastern University