Mr. Michael S. Weiss has been the Chairman, President and Chief Executive Officer of the company since 2011. Prior to this, he served as co-founder and Managing Partner and Principal of Opus Point Partners since 2008. Mr. Weiss also served as a Director and Chairman of National Holdings Corporation.

Mr. Sean A. Power has been the Chief Financial Officer of the company since 2011. Prior to this, he served as the Corporate Controller at Keryx Biopharmaceuticals, Inc. Mr. Power also served as the independent certified public accountant with KPMG, LLP and Chief Financial Officer of Opus Point Partners.

Mr. Adam Waldman has been the Chief Commercial Officer of the company since 2018. Prior to this, he served as the Head of US Hematology-Oncology Marketing at Celgene Corporation, where he spent the past 13 years in various roles of increasing responsibility in sales, marketing and new product strategy. Before joining Celgene, Mr. Waldman was at Schering Plough where he was responsible for coordinating the global marketing strategy for multiple oncology products.