After Kate Fitzgerald submitted her thesis on adhesion molecules at Trinity College, Dublin, she was ready for a change of scenery. So when her graduate advisor, Luke O'Neill, set out for a sabbatical at Millennium Pharmaceuticals, the young immunologist jumped at the chance to join him. Her summer spent studying a cytokine receptor in Boston "cemented in my mind that I wanted to live here," she says. The city offered the thriving research community she craved.












