Koskinas has deep experience in health care investing, exemplified by her seven years with InterWest Partners, a diversified venture capital firm in Menlo Park, California. Prior to working at InterWest, Koskinas started a minimally invasive cardiac surgery business for Guidant Corporation, achieving a $15 million revenue run rate in two years.

Earlier in her career, she worked as an engagement manager at McKinsey, where she handled projects for a broad range of pharmaceutical, health care delivery, and medical device clients. She also has experience in corporate finance at Morgan Stanley in New York and London.

Koskinas received a bachelor's degree in economics with distinction from Harvard College and a master's degree in business administration from Stanford University.