x roundedx circlex wordpress circlewordpress roundedwordpress phone circlephone roundedphone yelp roundedyelp circleyelp circlevsco roundedvsco vsco fa-chevron-up circlesnapwire roundedsnapwire snapwire roundedemail email circleemail 500px behance blogger circle500px circlebehance circleblogger circledribbble circlefacebook circleflickr circlegoogleplus circlehouzz circleinstagram circlelinkedin circlepinterest circletumblr circletwitterbird circlevimeo circleyoutube clickbooq_infinity dribbble facebook flickr googleplus houzz instagram linkedin pinterest rounded500px roundedbehance roundedblogger roundeddribbble roundedfacebook roundedflickr roundedgoogleplus roundedhouzz roundedinstagram roundedlinkedin roundedpinterest roundedtumblr roundedtwitterbird roundedvimeo roundedyoutube tumblr twitterbird vimeo youtube



One Plus One Design has been providing design services in the Boston area and beyond for over 20 years. As a husband and wife design team, our practice encompasses the entire design process from site planning and exterior aesthetics, to interior space planning, finishes, furniture, cabinetry, audio video design, and smart home integration systems to sustainable design. We have over 45 years of combined design experience on a variety of residential, retail, commercial, institutional, and hospitality projects. We pride ourselves not only on the quality of our work but the quality of our service. All of our projects illustrate a collaboration of ideas, that are a reflection of our clients. It is our mission to see our client's unique thoughts, ideas and ambitions translated into not mere spaces, but into the artfully crafted  language of design. 

Prior to receiving her degree in interior design from Lasell College, Sara received a BA from Ithaca College in art history with a minor in theatrical set design. Early in her career, she concentrated on residential design, working for the Boston interior design firms of Nancy Edman Interiors and Gauthier Stacy. Later, Sara spent several years at the Boston architectural firm Payette Associates specializing in corporate, university, and health care design, and as a senior designer at LDL Studio, a hospitality design firm in Providence, RI. Currently, Sara is employed at the Boston design firm Stantec (formerly ADD Inc). Her varied background has granted her exposure to many types of projects of various scales enabling her to work with clients in all facets of the design industry.

headshots copy

Brandon Diem Assoc AIA, LEED AP
A graduate of The Boston Architectural Center, Brandon began pursuing his passion for creating and building by working in the field and learning the many aspects of wood frame construction. Brandon’s architectural career has landed him in the Boston design offices of Mellowes and Palladino, Grassi Design Group, TappĂ© Associates, Payette Associates, and most recently as the founder of Studio 53 Design. Drawing from his diverse professional career and personal interests, Brandon is inspired to create design solutions that respect the environment, are artfully crafted, and are rooted in quality with a sense of timelessness. Over the years his work has been published and won various awards, national design competitions, and scholarships.