Senior Associate

Director of Sustainable Design

Masters of Architecture, Harvard Graduate School of Design

Bachelor in Fine Arts, Harvard University

Ms. Lennihan is a Senior Associate with Hickok Cole Architects. During her 17 years with the firm, Ms. Lennihan has worked on historic preservation and adaptive reuse projects, corporate interiors, multifamily housing, re-positioning of existing office buildings, education facilities and master planning studies.

Currently Ms. Lennihan spearheads efforts to develop Hickok Cole’s high performance building practice. She is the project manager for the renovation of American Geophysical Union’s headquarters to net zero energy. In addition, she is overseeing Hickok Cole’s consulting to the District of Columbia’s Department of Energy and the Environment. Through a multi-year grant, Hickok Cole is working with a team to provide budget analysis for short and long term costs associated with building sustainable infrastructure.

Ms. Lennihan is committed to giving back to the community, serving on the board of Mi Casa, a non-profit housing developer. Mi Casa’s expertise includes representing tenants in the TOPA process, using LIHTC financing, developing intergenerational/mixed income housing, creating affordable rental properties, and maintaining existing affordable housing. Additionally, she serves on Hickok Cole’s in-house Sustainable Design Committee and presented at AIA|DC’s DesignDC conference on the topic of “Greener Living: Suggestions for a Healthier, More Efficient Home.” Ms. Lennihan has also written several articles about environmental building, including “10 Ways to Go Green” for the Foundation Center.

Ms. Lennihan graduated magna cum laude from Harvard University with a degree in Fine Arts and holds a Masters of Architecture from the Harvard Graduate School of Design.