Denver DUI attorney Christopher H. Cessna is recognized in Colorado and throughout the nation as a premier legal professional for drunk driving cases. He is a highly knowledgeable professional who has more than just experience, he has credentials. Having received certification by the National Highway and Transportation Safety Administration to both administer the Standard Field Sobriety Tests as well as to instruct others in how to administer the tests, he is an expert at challenging these test results. Other DUI defense attorneys in the area often call upon him as an expert witness for their cases, and he is the only DUI lawyer in Colorado to own his own Intoxilyzer 5000. Additionally, he is trained and certified in the operation of the Intoxilyzer 4011 and the Intoxilyzer 5000. As a member of the National College of DUI Defense, he was inducted into the elite “Forensic DUI Attorneys Group” because of his successful work, publications and training.