This code system http://hl7.org/fhir/research-study-party-role defines the following codes:

CodeDisplayDefinition
sponsor sponsorsponsor
lead-sponsor lead-sponsorlead-sponsor
sponsor-investigator sponsor-investigatorsponsor-investigator
primary-investigator primary-investigatorprimary-investigator
collaborator collaboratorcollaborator
funding-source funding-sourcefunding-source
general-contact general-contactgeneral-contact
recruitment-contact recruitment-contactrecruitment-contact
sub-investigator sub-investigatorsub-investigator
study-director study-directorstudy-director
study-chair study-chairstudy-chair
irb Institutional Review Board
<status value="active"/><experimental value="false"/><date value="2022-05-12T12:40:00+00:00"/><publisher value="HL7 (FHIR Project)"/><contact><telecom><system value="url"/><value value="http://hl7.org/fhir"/></telecom><telecom><system value="email"/><value value="fhir@lists.hl7.org"/></telecom></contact><description value="This is a ResearchStudy's party role."/><jurisdiction><coding><system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/><code value="001"/><display value="World"/></coding></jurisdiction><caseSensitive value="true"/><valueSet value="http://hl7.org/fhir/ValueSet/research-study-party-role"/><content value="complete"/><concept><code value="sponsor"/><display value="sponsor"/><definition value="sponsor"/></concept><concept><code value="lead-sponsor"/><display value="lead-sponsor"/><definition value="lead-sponsor"/></concept><concept><code value="sponsor-investigator"/><display value="sponsor-investigator"/><definition value="sponsor-investigator"/></concept><concept><code value="primary-investigator"/><display value="primary-investigator"/><definition value="primary-investigator"/></concept><concept><code value="collaborator"/><display value="collaborator"/><definition value="collaborator"/></concept><concept><code value="funding-source"/><display value="funding-source"/><definition value="funding-source"/></concept><concept><code value="general-contact"/><display value="general-contact"/><definition value="general-contact"/></concept><concept><code value="recruitment-contact"/><display value="recruitment-contact"/><definition value="recruitment-contact"/></concept><concept><code value="sub-investigator"/><display value="sub-investigator"/><definition value="sub-investigator"/></concept><concept><code value="study-director"/><display value="study-director"/><definition value="study-director"/></concept><concept><code value="study-chair"/><display value="study-chair"/><definition value="study-chair"/></concept><concept><code value="irb"/><display value="Institutional Review Board"/></concept></CodeSystem>