We are committed to providing design excellence coupled with the highest level of service for all of our clients and projects.

We are passionate about the projects we work on and the people we work with.  To create great architecture, KDA believes that excellent design must be paired with a keen understanding of how our clients live and what makes them happy.

KDA is a boutique design firm that believes good design adds real value.  We work with our clients to solve design problems in personal ways that center around the human experience.  We are committed to designing responsible architecture that fits person and place; and we are work to provide the highest level of service to our clients.


Design is an iterative process, and work hard not to fall into patterns and pre-established solutions. We understand that each project’s unique set of variables requires a bespoke design process.  We pride ourselves on being adaptable and catering to our process to the needs of the project and client.


We are a boutique firm that established close relationships with our clients through an unparalleled level of personalized service.  From beginning to end, we do what needs to be done to make the project everything it can be.  From conception to completion we are there.


Tom Klaber originally studied to be an actor. He turned his back on the stage after taking an architecture course and becoming fascinated with the power that space had to affect people.

He started his career at BKSK, before moving to work as a senior designer and project architect specializing in high-end residential projects at The Turett Collaborative. He then moved to Gabellini Sheppard as a project architect and manager of information systems. He left Gabellini Sheppard to found KDA  in 2017.

He was awarded the Alpha Rho Chi medal for architectural leadership and promise of professional excellence in 2010. He received his Bachelor of Arts from Hamilton College. He then studied at the University of Melbourne, and Columbia University before getting his Masters of Architecture at the Parsons School of Design, where he graduated with honors. Tom Klaber is a LEED Accredited Professional with a specialty in Building Design and Construction in 2011 and is a licensed Architect, registered in New York State.


Andrea Guatta Caldini started his career at the interdisciplinary firm SsD, where he worked as a designer on multi-family residential and institutional projects.

In 2011, he moved to the Turett Collaborative where he was a designer and project manager specializing in single-family townhomes and boutique commercial projects; proving to be a designer and project manager of the highest caliber. He has a passion for smart and sustainable design. He became a passive house certified designer in 2017.

He received his bachelor’s and masters of architecture degree from the Politecnico di Milano in Milan, Italy.