Since joining PTC Therapeutics as in-house counsel in 2004, Don has handled a wide variety of legal matters as the company has grown from a research company into a commercial-stage, publicly traded biotech with 20+ worldwide offices.  Don is the current Legal Business Partner to the Company’s clinical development, research, HR and facilities groups.  Don also heads PTC's insurance function and supports its business development activities.  Previously, Don was in-house counsel at a marketing firm, and he began his career as a corporate finance lawyer at Sidley in New York.