John Siebert Location
- Olathe, KS, US
John Siebert Work
- 2015 - now Founder and CEO @ Compan Pharmaceuticals, Inc
- 2014 - 2015 CEO @
- 2011 - 2014 COO New Rhein Healthcare Investors @ Compan Pharmaceuticals, LLC
- 2003 - 2009 Chairman and CEO @
John Siebert Education
- University of Missouri-Columbia
PhD (Organic Chemistry)
1963 - 1967
John Siebert Skills
- Program Management
- Sales
- Marketing Strategy
- Strategic Planning
- Executive Management
- Venture Capital
- Mergers and Acquisitions
- New Business Development
- Leadership
- Strategic Partnerships
- Business Planning
- Organizational Development
- Leadership Development
- Mergers
- Business Strategy
- Business Development
John Siebert Summary
- John Siebert, based in Olathe, KS, US, is currently a Founder and CEO at Compan Pharmaceuticals, Inc. John Siebert brings experience from previous roles at Chase Pharmaceuticals, Compan Pharmaceuticals, LLC and CyDex Pharmaceuticals, Inc.. John Siebert holds a 1963 - 1967 PhD in Organic Chemistry @ University of Missouri-Columbia. With a robust skill set that includes Program Management, Sales, Marketing Strategy, Strategic Planning, Executive Management and more. John Siebert has 1 emails and 2 mobile phone numbers on RocketReach.
5 free lookup(s).
No credit card required.
If you need more lookups,
subscriptions start at $34 USD/month.
Looking for a different John Siebert?
Find contact details for 700 million professionals.
Others Named John Siebert
John Siebert
Principal Business Analyst
Minneapolis, MN, US
John Siebert
RVP Cloud Solutions
New York, NY, US
John Siebert
Regional Sales Director
Eureka, MO, US
John Siebert
Founder and CEO
Olathe, KS, US
John Siebert
President
Woodbury, NY, US
Jack Siebert
Healthcare Investment Banking Associate
Boston, MA, US
How It Works
Get a Free Account
Sign up for a free account. No credit card required. Up to 5 free lookups. 
Search the #1 Contact Database
Get contact details of over 700M profiles across 60M companies - all with industry-leading accuracy. Sales and Recruiter users, try out our Email Finder Extension. 
Use our AI-Powered Email Finder
Find business and personal emails and mobile phone numbers with exclusive coverage across niche job titles, industries, and more for unparalleled targeting. Also available via our Contact Data API. 
G2 Crowd Trusted
300K+ Plugin Users
© 2026 RocketReach.co