Estella Rivera

Estella Rivera is a seasoned professional with extensive experience in the health and quality assurance sectors. Currently serving as Chief Executive Officer at First Choice Drug & Alcohol Testing since April 2021, Estella also holds roles as Collector and BAT Certified at First Choice Drug Testing LLC and Quality Assurance & Holds Coordinator at Olam since December 2020 and July 2013, respectively. Responsibilities at Olam include managing audits, ensuring regulatory compliance, and leading employee training initiatives. Additionally, Estella works as a Phlebotomist for both eHealthScreenings and Clinical Health Appraisals, focusing on biometric screenings and patient education. Estella holds a CPT1 certification in Phlebotomy from Sierra College, completed in 2018.