John Siebert

John M.
Siebert was the founder and had founded Compan Pharmaceuticals LLC in 2008, where he served as the Chairman & Chief Executive Officer.
He currently holds positions as a Director at Primus Pharmaceuticals, Inc., Accu-Break Pharmaceuticals, Inc., and Riverside Pharmaceuticals Corp.
Dr. Siebert has previously held positions as the President & Chief Executive Officer at CIMA Labs, Inc. from 1995 to 2003, Executive Chairman, Chief Executive Officer & CFO at Aradigm Corp.
from 2006 to 2019, Chairman & Chief Executive Officer at CyDex Pharmaceuticals, Inc. from 2003 to 2008, President & Chief Executive Officer at Chase Pharmaceuticals Corp.
in 2014, and as an Independent Director at Supernus Pharmaceuticals, Inc. from 2011 to 2024.
He has also served as the Head-Research & Development Division at Bayer Corp.
from 1988 to 1992 and as the Vice President-Technical Affairs at Dey Laboratories, Inc. from 1992 to 1995.
Additionally, Dr. Siebert has worked as the Chief Operating Officer & Partner at New Rhein Healthcare Investors from 2010 to 2014.
He holds a doctorate degree from the University of Missouri, an undergraduate degree from Benedictine University, and a graduate degree from Wichita State University.