There are a myriad of potential careers for an individual with a science PhD. The following links will connect you to professional organizations with information about some of them.
Clinical Data Management
Society for Clinical Data Management
Clinical Research
Association of Clinical Research Professionals CenterWatch
Corporate Communications
Public Relations Society of America
Drug Safety
Drug Information Association Safety Pharmacology
Investment Banking/Analyst
Careers-In-Investment-Banking.com
Medical Science Liaison
Medical Science Liaison Institute Medical Science Liaison Society
Medical Writing
American Medical Writers Association
Patent Law or Patent Agent
American Intellectual Property Law Association
Project/Program Management
Project Management Institute Project Managers in Pharmaceuticals
Regulatory Affairs
Regulatory Affairs Professional Society
Research Administration
Society of Research Administrators International
Science and Public Policy
AAAS Science & Technology Policy Fellowships Christine Mirzayan Science & Technology Policy Graduate Fellowship Program
Science Writing
National Association of Science Writers
Technical Writing
Society for Technical Communication
Technology Transfer and Licensing
Licensing Executives Society Association of University Technology Managers (AUTM)
Think Tanks
Rand Corporation Resources for the Future