Following graduation from medical school, he completed internship training at the Sacred Heart Medical Center Transitional Residency in Spokane, Washington. He then moved on to complete his residency in ophthalmology at the New England Eye Center, associated with Tufts University School of Medicine, in Boston, Massachusetts. He was selected to stay in Boston for an additional year of training where he completed a Fellowship in Glaucoma and Complex Cataract Surgery working with internationally recognized clinicians such as Cynthia Mattox, MD (previous president of the American Glaucoma Society) and Bradford Shingleton (previous president of the American Society of Cataract and Refractive Surgery).

During Fellowship, he held joint clinical and surgical privileges at the New England Eye Center (Tufts University), Ophthalmic Consultants of Boston (premier tertiary referral practice in Boston), and the Massachusetts Eye and Ear Infirmary (Harvard University). During his training, Dr. Hansen participated in multiple areas of research with several scientific publications including a book chapter on ocular inflammation. He is currently an adjunct professor of ophthalmology at the University of Utah’s Moran Eye Center and participates in volunteer resident and fellow surgical training for their Global Outreach Program. He has participated in underserved and global ophthalmic surgery at the Navajo Indian reservation and in multiple countries including Micronesia, Trinidad, and Tanzania. He is an active member of various professional organizations including the American Academy of Ophthalmology, the American Society of Cataract and Refractive Surgeons, and the American Glaucoma Society.  He has a wonderful and supportive wife and four children. They enjoy spending time together doing anything outdoors including hiking, fishing, camping, and rock climbing. Dr. Hansen still plays the violin and enjoys watching and participating in nearly all sports, particularly tennis and snow skiing.