Dr. Velis is a native Chicagoan and has over 30 years of experience practicing Phlebology and Aerospace Medicine (Designated Senior Aviation Medical Examiner, Federal Aviation Administration). He is a Fellow of the American College of Physicians and was awarded Diplomate status in 1995 after being Certified by The American Board of Internal Medicine. Dr. Velis is also certified by the American Board of Venous and Lymphatic Medicine (Diplomate status, Inaugural Examination, 2008). He began working at a very young age and learned the importance of honesty and devoted work ethic from his father.