The Principal Investigator (PI) serves as the medical and scientific leader of the Clinical Research Unit and is responsible for the overall conduct, management, and oversight of assigned clinical trials. The PI ensures that all studies are conducted in accordance with study protocols, site Standard Operating Procedures (SOPs), Good Clinical Practice (GCP), FDA regulations, Institutional Review Board (IRB) requirements, and applicable local, state, and federal regulations. This position provides direct medical oversight for research participants and leadership to the clinical trial team. The Principal Investigator works closely with Sub-Investigators, Clinical Research Coordinators, Research Nurses, Sponsors, Contract Research Organizations (CROs), Ethics Review Boards/IRBs, and study participants to ensure high-quality, compliant clinical research operations. Applicants must possess an active, Medical Doctor (MD) . Prior clinical research experience is strongly preferred. Bilingual proficiency in English and Spanish is highly desirable. Essential Duties and Responsibilities Assume overall responsibility for the conduct and execution of clinical investigations conducted at the site. Serve as the Principal Investigator for Phase I-IV clinical trials and other research studies. Maintain a thorough understanding of all assigned study protocols, investigational products, and study procedures. Ensure all studies are conducted in accordance with protocol requirements, GCP, SOPs, sponsor expectations, and regulatory requirements. Assess overall protocol feasibility and determine the site's ability to successfully execute study requirements. Review and approve participant eligibility based on protocol-defined inclusion and exclusion criteria. Provide ongoing medical oversight throughout all phases of study participation. Experience Clinical research experience as a Principal Investigator or Sub-Investigator preferred. Experience with industry-sponsored clinical trials preferred. Working knowledge of FDA regulations, ICH-GCP guidelines, HIPAA, and human subjects protection requirements. Knowledge, Skills, and Abilities Strong clinical assessment and medical decision-making skills. Excellent leadership, communication, and interpersonal skills. Ability to manage multiple studies and priorities simultaneously. Strong organizational and problem-solving abilities. Ability to establish and maintain productive relationships with sponsors, CROs, regulatory agencies, research staff, and study participants.