Principal Investigator
Flourish
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Chicago, IL · Posted July 23, 2026
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About the job
About Us:
Flourish Research is where clinical trials thrive. Flourish Research is one of the industry’s most progressive and diversified clinical trial organizations, with strong capabilities across cardiology, metabolic disorders, renal, oncology, CNS, pulmonology, and vaccine research. At Flourish Research, we strive toward excellence. In clinical trials and healthcare, excellence means everyone deserves the best care, regardless of their race, color, gender identity, religion, ethnicity, physical abilities, age, sexual orientation, or veteran status. We embrace employees, customers, and patients from these underrepresented groups to help make this vision a reality. Flourish is committed to a safe work environment where all employees, customers, and patients are included, and treated with dignity and respect. The more diversity we have in our team, the more unique perspectives, and ideas we share, and the better prepared we are to serve our communities. WE SEE YOU. WE ARE YOU. WE EMBRACE YOU. WE CELEBRATE YOU!
Flourish Research is looking for motivated, talented, creative individuals who want to learn and grow in their careers while contributing to research that changes lives! We offer an excellent comprehensive benefits package, a supportive and collaborative work environment, and endless growth opportunities.
About the Job:
We are actively hiring a Principal Investigator to support our Andersonville site in Chicago, IL.
Shift: Monday-Friday day shift (40 hours per week)
Location: Onsite, Chicago, IL
FLSA Classification: Exempt
Requirements
PURPOSE: To ensure adherence to protocol requirements, participant safety, data integrity and direct and oversee the conduct of the clinical investigation according to Flourish Research standard operating procedures (SOPs), policies and procedures, federal and state regulations, medical ethics, Good Clinical Practices (GCPs), International Council of Harmonization (ICH) guidelines, Institutional Review Board (IRB) requirements, and in compliance with specific sponsor protocol requirements. All responsibilities should be completed in accordance with Flourish Research’s Core Values and Employee Manual.
JOB RELATIONSHIPS:
Reports to: Site Director
Departments Supervised: N/A
ESSENTIAL JOB FUNCTIONS:
· Ensure the maintenance of confidentiality by team members of participant information as appropriate and as bound by Confidentiality Agreements with Flourish Research, between Flourish Research and sponsors/CROs and between Flourish Research and other entities while abiding by HIPAA regulations.
· Assume overall responsibility of the success of Flourish Research under the direction of the CEO.
· Possess a thorough knowledge and understanding of the requirements of each study protocol.
· Determine whether inclusion/exclusion criteria are applicable to the study population.
· Follow each study's randomization procedures.
· Maintain protocol compliance and does not implement any protocol deviation or changes without agreement by the sponsor/CRO and prior review and approval by the IRB (except to eliminate immediate hazards to the participant).
· Review the inclusion/exclusion criteria, procedures, scheduled visits, end point criteria and investigational article use with the research team.
· Ensure that a qualified physician is responsible for all trial-related medical decisions.
· Assess participant compliance with the test article and follow-up visits.
· Assess participant's response to therapy.
· Evaluate for adverse experiences and determine severity and relationship to the
investigational product.
· Ensure that medical care is provided to a participant for any adverse event(s).
· Document and report all serious adverse events immediately to the sponsor/CRO and IRB.
· Obtain a signed and dated informed consent from the study participant or participant's legal representative prior to initiating any study-related procedures.
· Inform the participant or legal representative about all aspects of the clinical trial.
· Always consider participant safety and welfare the first priority.
· Ensure the accuracy, completeness, legibility, and timeliness of case report forms
(CRFs).
· Explain any discrepancies between source documents and case report forms (CRFs).
· Endorse changes or corrections to a case report form (CRF).
· Review and signs data management queries and case report forms (CRFs) in a timely manner.
· Document deviations from the approved protocol.
· Document and explain premature un-blinding of the investigational product(s).
· Document that informed consent has been obtained from the participant or legal
representative.
· May perform clinical interviews and administer a variety of psychological tests, clinical rating scales, and/or diagnostic assessments.
· Evaluate results through scoring and documented findings in subjects’ medical records and Flourish Research CTMS, eDocs, Source.
· Ensure validity and reliability when administering tests/scales/assessments by complying with established standards for administering psychometric testing and per sponsors’ protocols.
· Ascertain the reason for a participant’s premature study withdrawal.
· Comply with written procedures to document changes to data and/or case report forms (CRFs).
· Develop thorough knowledge and familiarity with the use of the investigational
product(s).
· Read the current investigator’s brochure, product insert, or other source
information.
· Represent Flourish Research in a professional and courteous manner (verbal, written, and in appearance) during all interactions with sponsors, physicians, physicians' office personnel, participants, Flourish Research employees, Flourish Research contract personnel, as well as any other person(s) when carrying out task and responsibilities.
· Additional duties as assigned by management.
PHYSICAL REQUIREMENTS AND/OR ENVIRONMENTAL FACTORS:
· Work is normally performed in a typical interior clinical/office work environment.
· Participant care.
· Daily computer use.
· Ability to properly lift thirty-five pounds and occasionally more than thirty-five pounds.
· Ability to drive and daily availability of an automobile.
MINIMUM REQUIREMENTS:
· Education: Medical (M.D.) degree, Doctor of Osteopathy (D.O.), Doctor of Nursing Practice (D.N.P.), Doctor of Psychology (PsyD).
· Experience: A minimum of 2 years’ experience in performing physicals, assessing, and treating patients. 1-3+ years' experience within the field of clinical research or biological research.
Knowledge and Skills:
· Exceptional knowledge of clinical research methods.
· Strong supervision, interpersonal and communication skills.
· Able to make good, sound decisions under stress and time constraints.
· Must be able to make sound medical judgments on the health and safety of subjects during their participation in a clinical research study.
· Maintain professional and technical knowledge by attending educational workshops in other activities to maintain continuing medical education requirements.
· Review professional publications.
· Must possess exceptional organizational and planning skills and good documentation skills.
· Must have good conflict resolution skills and be committed to quality and honesty.
· In-depth knowledge of the clinical research process, including Good Clinical Practices.
· Completes at least 80% of goals annually.
· Flexible and able to multi-task and prioritize competing demands.
Benefits
Health, dental, and vision insurance plans, 401(k) with a 100% employer match on the first 4% of employee contributions, tuition reimbursement, parental leave, employee referral program, employee assistance program, life insurance, disability insurance, and a generous PTO plan covering vacation, sick, personal days and 8 paid holidays.
Flourish Research is an equal employment opportunity employer. Employment decisions are based on merit and business needs, and not on race, color, sex, (including pregnancy and gender identity), citizenship status, national origin, ancestry, gender, sexual orientation, age, religion, creed, physical or mental disability, genetic information, marital status, veteran status, political affiliation, or any other factor protected by law. Flourish Research complies with the law regarding reasonable accommodation for handicapped and disabled employees.