Founding Partner & Design Principal

Leslie brings nearly 17 years of experience working on projects across New York state, Philadelphia, Chicago, SouthEast Michigan, Florida and Atlanta. An artist from an early age,  Leslie creates relaxed-but polished spaces that keep the focus on how we really live.

Leslie founded BristowMather Architects in 2019 after a career working for some of the country’s top residential architects, interior designers & retailers.

Leslie completed her undergraduate studies at the College of the Holy Cross with a major in Studio Art and a concentration in Architectural Studies. She received her Masters in Architecture from Cornell University.

Partner & Design Principal

With over ten years of experience in both rural and urban design, encompassing a wide range scales and budgets, Ethan understands the dynamic interplay between project, client, and site.  It is within these relationships where he believes architecture transforms from a mere building into a space ingrained with purpose – ripe with the potential to create enduring memories within well-conceived, livable environments. 

Ethan joined BristowMather in 2022, following a tenure with some of the nation’s leading design studios.  During his career, he has contributed to teams earning prestigious accolades such as the Cooper Hewitt National Design Award and the Architecture League’s Emerging Voice’s Award, along with AIA (American Institute of Architects) awards and regional recognitions. 

Ethan completed his degree in architecture from the University of Arkansas with a minor in Sustainability.  He currently resides in Brooklyn with his wife, Hannah.  You can often find him bartending on weekends or embarking on explorations to new cities and remote mountaintops.