TMS Architects welcomed Shannon Alther AIA as a draftsman in 1996. He became a principal of the firm in 2007. Shannon is directly involved in all aspects of the company as well as all phases of projects.

He arrived at his present position as a principal of TMS Architects through a career that included construction work combined with years of academic pursuits. His early years as a crew supervisor for building projects, a painter and a hardwood grader taught him the crucial “nuts and bolts” of the building trades, while his academic work provided him with the necessary technical knowledge and historical perspective required for a successful architect.

He attended New Hampshire Technical Institute, Keene State College and the Boston Architectural College. He is currently involved in projects that work towards sustainable and dynamic spaces for the built environment.

TMS Architects welcomed Rob Carty AIA as a project architect in 2003 and he became a principal of the firm in 2007. Rob is directly involved in all aspects of the company as well as all phases of projects.

Over the years Rob has designed many of the firm’s prominent residential projects including renovation and new homes. He as also worked closely with the banking industry and has designed over a dozen branch banks.

He attended SUNY Buffalo and received a bachelor’s degree in Architecture then attended the University of Colorado for a master's degree in Architecture. His move to Colorado was the result of his love for the mountains as well as the opportunity to pursue an advanced degree in Architecture. In addition to his work as an architect Rob is a pilot and he received his commercial pilot license in 2004. He continues to fly as a member of the Civil Air Patrol.

Jason Bailey, AIA, became a principal of TMS Architects in 2018 following 17 years of employment with the company working his way up from intern to project architect. His educational background allowed him to work full-time while earning a Bachelor of Architecture from the Boston Architectural College. Throughout his career with TMS Architects, Jason has been instrumental in leading a broad range of projects. His experience extends from award-winning residential and country club design, to retail, commercial, hospitality and historical architecture. Sustainable design and the use of “green” building technologies and products is a high priority for Jason, as he has successfully incorporated these practices into the vast majority of projects he creates. In addition to his work with TMS, you can often find Jason in the outdoors or on the soccer pitch.

Timothy Giguere, AIA, was welcomed to TMS Architects in 2000 as Job Captain, and progressed to staff architect in 2014. In 2018, he became a partner of the firm. His responsibilities have included supervising the design and contract drawings for a wide range of projects from country club renovations to boutique restaurants and residential homes. His passion for the outdoors and his interest in timeless New England designs has inspired much of his architectural work, which has been featured in various publications and has won numerous awards.

Tim holds a Masters of Architecture degree from the Boston Architectural College as well as an Architectural Engineering degree from New Hampshire Technical Institute. Tim is a registered architect in the states of New Hampshire, Maine, and Massachusettes, and also holds NCARB and AIA affiliations.

Cristina Johnson, AIA, NCIDQ was welcomed to TMS Architects in 2013 and helped develop, build, and lead our interior department. In 2023 she became a principal of TMS Architects and Interiors. Cristina is a licensed architect and member of the American Institute of Architects (AIA), as well as a licensed interior designer registered with the National Council for Interior Design Qualifiication (NCIDQ)

Cristina is directly involved in many projects going through the office including commercial, renovation, new construction, and everything in between. Outside the office you will find Cristiana renovating her turn of the centry farm home in Southern New Hampshire.