Gillen Collaborative Architects, Inc., is a service oriented design firm with a long history of successful architectural, historic renovation and interior design experience.In addition to participating in numerous historic restoration rehabilitation projects, the firm has 25 years of experience in repair/renovation projects including renovations to Seelye Hall at Smith College; the office building/bus depot known as "One Round House Plaza" in Northampton, the Holstein Association Headquarters in Vermont, the Tucker Taft Building in Amherst, and handicap access modifications for Great Barrington, Northampton and the University of Massachusetts in Amherst.Currently the Gillen Collaborative partners are: William Gillen, John Krifka and Carol Vincze.