Piper Jaffray Companies announced the addition of Peter Day as a managing director in the healthcare investment banking group. Day will be based in the firm's Boston office focused on coverage of the biopharmaceutical sector. Day brings more than 12 years of healthcare investment banking experience to Piper Jaffray.

He joins the firm from Leerink Swann, where he was a senior calling officer in the healthcare group and was instrumental in building their biopharmaceutical business.