Tiburio Therapeutics has appointed Nerissa Kreher to the newly created position of chief medical officer. Kreher held that post at her previous company, Avrobio (NASDAQ: [[ticker:AVRO]]). Her experience also includes positions at Shire, Zafgen (NASDAQ: [[ticker:ZFGN]]), and Alexion Pharmaceuticals (NASDAQ: [[ticker:ALXN]]). In January, Tibiurio launched from biotech accelerator Cydan, backed by $31 million in funding. Cambridge, MA-based Tiburio is developing treatments for rare neuroendocrine tumors and rare endocrine diseases.