Orlin Márquez was born and raised in Maracaibo, Venezuela. From his late teens to his mid-twenties, he traveled extensively and lived in Europe for ten years working with communities on social development projects. He returned to the United States August 1988, where he completed a bachelor’s degree in Interpersonal and Organizational Communication at Toccoa Falls College in northeast Georgia. In 2001, he completed a Master of Business Administration, majoring in Human Resources, at the Keller Graduate School of Management in Chicago. In 2010, he completed a Bachelor of Science in Nursing and was certified that same year. Later, he earned a Master of Science in Nursing and a Doctor of Nursing degree, both with a concentration in Family Medicine, from Vanderbilt University, located in Nashville, Tennessee.
His work experience includes: Fifteen years working at Children's Hospital of Atlanta (CHOA), in areas such as general medicine, neurology/neurosurgery, and pediatric surgery. Two years working in emergency services at North Georgia Medical Center Hospital, in Ellijay, Georgia. For the past eight years he has worked in the primary care area in the metropolitan Atlanta area, serving both the Spanish-speaking and English-speaking communities.