Hansel is the Gallaudet University Architect, Executive Director of Campus Design and Construction. He is an adjunct faculty member and is the director of the DeafSpace Project which he founded in collaboration with the ASL DeafStudies Department in 2006 where he developed the DeafSpace Design Guidelines to codify design concepts attuned to Deaf sensibilities.
Since 2009, Hansel has led the development of the 2022 Campus Plan, the design and construction of the award winning Living and Learning Residence Hall Six, the renovation of four historic buildings and the new Olmsted Green geothermal field. He also serves on the University's Innovation Reporting Committee and on the committee leading the development of the Gallaudet Innovation Lab. As a recognized leader in the emerging field of "DeafSpace Architecture", Hansel has published articles on DeafSpace and campus design and has lectured internationally on architecture, the senses and disabilities.