Greg Sieczkiewicz

Dr. Greg Sieczkiewicz, JD, is the Managing Director and Chief IP Counsel at the venture-investing firm MPM Capital in Cambridge, Massachusetts. Prior to joining MPM, Greg was the architect of IP strategy for over a dozen venture-backed life sciences companies—from nucleic acid therapeutics, oral biologics, the microbiome, to oncology.

Greg served as Vice President of Intellectual Property at Flagship Ventures where he drove the issuance of first-in-field U.S. patents for oral biologics and served as the IP architect and co-inventor of industry-leading nucleic acid therapeutics’ patent estate. Greg is also a member of the bar of the Commonwealth of Massachusetts and is admitted to practice before the United States Patent and Trademark Office.