About Us

Home » About Us » Senior Management

Senior Management

Lindsay A. Rosenwald, M.D.

Dr. Rosenwald has served as our Chairman, President and CEO since December 2013 and has served as a member of our board of directors since October 2009. Since 2009, Dr. Rosenwald has served as Co-Portfolio Manager and Partner of Opus Point Partners, LLC (“Opus”), an asset management firm in the life sciences industry. Prior to that, from 1991 to 2008, he served as the Chairman of Paramount BioCapital, Inc.  Over the last 23 years, Dr. Rosenwald has acted as a biotechnology entrepreneur and been instrumental in the founding and recapitalization of numerous public and private biotechnology and life sciences companies. Dr. Rosenwald received his B.S. in finance from Pennsylvania State University and his M.D. from Temple University School of Medicine.

Michael S. Weiss
Executive Vice Chairman, Strategic Development

Mr. Weiss has served as our Executive Vice Chairman, Strategic Development since January 2014 and has served as co-vice chairman of our board of directors since December 2013. Since 2009, Michael S. Weiss has served as Co-Portfolio Manager and Partner of Opus. In 2011, Mr. Weiss co-founded TG Therapeutics, Inc. (NASDAQ: TGTX), a publicly-traded biotechnology company focused on acquiring, developing and commercializing drugs for the treatment of b-cell malignancies. Mr. Weiss currently serves as TG’s Executive Chairman, President and CEO. Prior to 2009, Mr. Weiss was Chairman and CEO of Keryx Biopharmaceuticals, Inc. (NASDAQ: KERX) where he helped the company acquire and develop its lead drug Zerenex as well as executed a $100MM+ strategic alliance for Zerenex with JT Tobacco, Inc. and Torii Pharmaceutical Co., Ltd. Mr. Weiss began his professional career as a lawyer with Cravath, Swaine & Moore LLP in NYC. Mr. Weiss earned his J.D. from Columbia Law School and his B.S. in Finance from The University at Albany.

Robyn hunter
Chief Financial Officer

Ms. Hunter has served as our Chief Financial Officer since June 2017. Ms. Hunter has more than 30 years of financial and operational experience in an array of industries. From June 2011 until her appointment as Chief Financial Officer, Ms. Hunter served as the Company’s Vice President and Corporate Controller where she implemented financial and operational processes, procedures and policies to facilitate the Company’s execution of its growth strategy. From January 2006 to May 2011, Ms. Hunter served as Senior Vice President and Chief Financial Officer of Schochet Associates. From August 2004 to January 2006, Ms. Hunter served as the Corporate Controller for Indevus Pharmaceuticals. From 1990 to 2004, Ms. Hunter held several positions from Accounting Manager to Vice President and Treasurer of The Stackpole Corporation. Ms. Hunter holds a B.A. in Economics from Union College in Schenectady, New York.


Dr. Avgerinos has served as our Senior Vice President, Biologics Operations since June 2013. Dr. Avgerinos joined us from AbbVie Inc., where he was Vice President, HUMIRA® Manufacturing Sciences and External Partnerships. In his 23 year career at AbbVie, formerly Abbott Laboratories, formerly BASF Bioresearch Corporation (BASF), Dr. Avgerinos had responsibility for many aspects of Biologics development and operations. These included the HUMIRA® operations franchise, global biologics process and manufacturing sciences, biologics CMC, manufacturing operations, and third party manufacturing. During his tenure, Dr. Avgerinos led and participated in the development of numerous clinical candidates which included the launch of HUMIRA®. He supported expansion of the supply chain to over $9 Billion in annual global sales. Dr. Avgerinos’ efforts on HUMIRA® have been recognized with numerous awards, including the prestigious Abbott's Chairman's award in 2011. Dr. Avgerinos started his career at Biogen, Inc. in 1981 and subsequently joined Collaborative Research Inc. while serving as Adjunct Associate Professor of Chemical Engineering at Tufts University. Dr. Avgerinos has authored numerous publications in the area of biotechnology product development and manufacturing and holds a number of product and process patents. Dr. Avgerinos received a B.A. in Biophysics from the University of Connecticut and a Ph.D. in Biochemical Engineering from the Massachusetts Institute of Technology.