Post job

Principal investigator vs co-investigator

The differences between principal investigators and co-investigators can be seen in a few details. Each job has different responsibilities and duties. While it typically takes 2-4 years to become a principal investigator, becoming a co-investigator takes usually requires 1-2 years. Additionally, a principal investigator has an average salary of $84,635, which is higher than the $60,791 average annual salary of a co-investigator.

The top three skills for a principal investigator include patients, data collection and project management. The most important skills for a co-investigator are patients, data collection, and IRB.

Principal investigator vs co-investigator overview

Principal InvestigatorCo-Investigator
Yearly salary$84,635$60,791
Hourly rate$40.69$29.23
Growth rate5%3%
Number of jobs44,4757,338
Job satisfaction--
Most common degreeBachelor's Degree, 53%Bachelor's Degree, 51%
Average age4744
Years of experience42

Principal investigator vs co-investigator salary

Principal investigators and co-investigators have different pay scales, as shown below.

Principal InvestigatorCo-Investigator
Average salary$84,635$60,791
Salary rangeBetween $59,000 And $120,000Between $43,000 And $84,000
Highest paying CitySan Francisco, CA-
Highest paying stateCalifornia-
Best paying companyIncyte-
Best paying industryTechnology-

Differences between principal investigator and co-investigator education

There are a few differences between a principal investigator and a co-investigator in terms of educational background:

Principal InvestigatorCo-Investigator
Most common degreeBachelor's Degree, 53%Bachelor's Degree, 51%
Most common majorPsychologyPsychology
Most common collegeUniversity of Michigan - Ann Arbor-

Principal investigator vs co-investigator demographics

Here are the differences between principal investigators' and co-investigators' demographics:

Principal InvestigatorCo-Investigator
Average age4744
Gender ratioMale, 52.2% Female, 47.8%Male, 38.2% Female, 61.8%
Race ratioBlack or African American, 10.3% Unknown, 4.0% Hispanic or Latino, 14.0% Asian, 4.3% White, 66.7% American Indian and Alaska Native, 0.7%Black or African American, 10.6% Unknown, 5.4% Hispanic or Latino, 14.5% Asian, 3.4% White, 65.3% American Indian and Alaska Native, 0.8%
LGBT Percentage16%9%

Differences between principal investigator and co-investigator duties and responsibilities

Principal investigator example responsibilities.

  • Serve chemistry project leads for two early-stage drug discovery projects.
  • Design, build and manage CADD, NMR and MRI facilities.
  • Attain IRB approval, recruit participants, analyze the data and present results
  • Manage outsource projects, and interact with vendors for API sourcing, and device components base on project needs.
  • Conduct research using industry standards: GCP, GLP, SORP and compliance with IRB.
  • Receive IRB approval and clearance for research
  • Show more

Co-investigator example responsibilities.

  • Accomplish electroencephalogram (EEG), MRI, and behavioral testing on research participants.
  • Research utilizes nanotechnology in neuroscience aim to better understand and treat pediatric brain tumors and potentially traumatic brain injury.
  • Perform blood draws, EKG testing, cholesterol testing, A1c/glucose testing, patient interviewing and questionnaires
  • Build models in python and matlab to investigate the nature of network derive persuasion allocation mechanisms.
  • Ensure regulatory standards for protocol and HIPPA compliance by staff.
  • Audit patient notes ensuring compliance with HIPPA and federal regulation code (42 CFR).

Principal investigator vs co-investigator skills

Common principal investigator skills
  • Patients, 10%
  • Data Collection, 9%
  • Project Management, 8%
  • Technical Reports, 6%
  • FDA, 4%
  • Data Analysis, 4%
Common co-investigator skills
  • Patients, 20%
  • Data Collection, 11%
  • IRB, 7%
  • Data Analysis, 6%
  • Research Projects, 5%
  • Clinical Trials, 5%

Browse executive management jobs