The key personnel in the firm have worked together for an average of over twenty-five years.
Eight of our staff are Hawai‘i-registered architects and thirteen support staff offer a cumulative experience of over 250 years.
The firm's long history and the volume of our preservation work, has enabled many members of our office staff to become knowledgeable specialists in historic preservation.
Glenn E. Mason, FAIA, NCARB, is the founder of MAI and former principal of its predecessor, Spencer Mason Architects. He is a project architect and the principal-in-charge for many of the projects undertaken by the firm. Born and raised in Hawai‘i, Glenn received an M. Arch. from the University of Michigan, Ann Arbor, before returning to Honolulu, where he has built his 40 year career in the preservation of historic buildings and new design.
Renowned for his award winning preservation projects, Glenn has worked on some of Hawai‘i’s most iconic buildings including Bishop Museum, Ali‘iolani Hale, Hilo Federal Building, Pearl Harbor Memorial, Hulihe‘e Palace and the last 35 years of maintenance and repair for ‘Iolani Palace, grounds and associated structures. He was the 2014 recipient of Historic Hawai‘i Foundation’s Frank Haines Award and he was one of the Star-Bulletin’s 2011 “Ten Who Made a Difference” for his work on the Pacific Aviation Museum’s Ford Island Control Tower. A past president of AIA Honolulu and the AIA Hawai‘i State Council, Glenn is currently the vice-president of Hawaii Architectural Foundation.
John D. Fullmer, AIA, is a graduate of the University of Hawai‘i’s School of Architecture and joined MAI’s predecessor, Spencer Mason Architects, in 1992. He was present at the creation of Mason Architects Inc. in 1998, was named a partner in 2004 and is the vice president of the firm. John specializes in the design and management of large, complex, and often historically significant projects, such as the new construction or renovation of large facilities for the Army and the Navy. Projects include the award winning renovation of Hawaiian Hall for Bishop Museum; new Child Development Centers at Schofield Barracks, Marine Corps Base Hawai‘i (MCHB), and Joint Base Pearl Harbor Hickam (JBPHH); new and renovated enlisted personnel housing and company headquarters at Schofield, MCBH, JBPHH and Tripler Army Medical Center; new company headquarters and operation facilities at Schofield; as well as most of the repair phases for the 400,000 sq ft Pacific Air Force Command in the historic Building 1102 at JBPHH.
He is a past president of AIA Honolulu, a past member of the Construction Specifications Institute board, and a past president of the AIA Hawai‘i State Council. He has co-chaired the annual Pacific Building Trade Expo by AIA/CSI for 14 years; helping to grow the largest trade show specific to the A/E/C industry in the State of Hawai‘i.
Barbara Sannino Shideler, AIA, joined the firm’s predecessor, Spencer Mason Architects, in 1989, transitioned to MAI as the firm launched in 1998, and became a partner in 2009. She has a B.Arch. and a Graduate Certificate in Historic Preservation in from the University of Hawai‘i.
Barbara has designed the restoration and renovation of significant historic buildings and residences in Hawai‘i, including award winning projects at Kaumakapili Church and the Historic Kaua‘i County Building. She has been the Project Architect for sixteen phases of work at Shangri La: the Doris Duke Foundation for Islamic Art, and she has prepared design guidelines and preservation plans for historically significant projects as diverse as Kōke‘e and Waimea Canyon State Parks, Punahou Campus, and the Hāna Highway Historic Bridge District. Barbara is the president of the Association of Preservation Technology Hawaii/Pacific Islands Chapter and a member of the organization’s National Board of Directors.
Katie Stephens, AIA, has 24 years of experience in architecture, preservation and restoration. She has worked on several buildings for the National Park Service on culturally and/or environmentally sensitive sites including award winning projects such as the Haleakala Comfort Station, the Pu’ukohola Heiau National Historic Site Visitor Center, the Visitor Emergency Operations Center at Volcanoes National Park, and Paschoal Hall at Kalaupapa. Katie has also planned the restoration and adaptive reuse of historic buildings on the islands of O‘ahu, Kauai, and Hawai‘i, including six phases of work at Washington Place. She has written historic architectural surveys and management plans for historic buildings at military installations in Hawai‘i, Asia, and the Pacific, and has completed Historic Structures Reports, HABS documentation and National Register Nominations for numerous sites.
Katie received a B.S. Architectural Engineering from the University of Colorado, Boulder, followed by a Graduate Certificate in Historic Preservation and an M.Arch. from the University of Hawai‘i, Manoa. She joined Spencer Mason Architects in 1992, has worked with MAI since it was founded in 1998, and became an Associate in 2016. She currently serves as the Secretary for the Association of Preservation Technology, Hawaii/Pacific Islands Chapter.
Joy Davidson, AIA, D. Arch, joined MAI in 2002 and became an associate in 2016. She focuses on the preservation and revitalization of historic buildings, both residential and non-residential, on Air Force and Navy installations. During her 22 year career she has also prepared Historic Structure Reports and served as the historical architect on projects to establish and implement historic preservation requirements into their design. Her award winning work includes the restoration of Hickam Community Center, and Rehabilitation of Historic Homes, both at Hickam Air Force Base.
She received a B.S. from Florida State University, an Arch.D. and a Graduate Certificate in Historic Preservation, both from the University of Hawai‘i. She served on the board of directors for AIA Honolulu, co-chaired its Canstruction competition, currently serves on the Historic Resources Committee, and is the Vice-president of the Hawaii/Pacific chapter of the Association for Preservation Technology. Joy also volunteered as an advisor in the reconstruction of New Orleans’ historic homes after Hurricane Katrina
Kris Powers, AIA, CDT, LEED AP BD+C, has seven years of experience in architectural design, project management, and LEED. She is responsible for a variety of projects ranging from historic preservation, renovations, new construction, government and military. She joined MAI in 2012 after serving as a U.S. Peace Corps Volunteer where she taught Architectural Draftsmanship at Gambia Technical Training Institute (GTTI) in West Africa. She received a B.S. in Mechanical Engineering and a M.Arch. both from Virginia Tech where she focused her studies on green design.
Polly Cosson Tice, has 17 years of experience working with architectural and interior design firms in New York and Honolulu. Working as an architectural historian with MAI since 2003, Polly manages the firm's Research Section, which is responsible for the historic preservation and research projects.
She has extensive experience in field and archival research; authoring historic contexts, architectural inventory surveys, HABS/HAER reports, as well as preservation and maintenance plans for residential and non-residential structures on military installations and at civilian sites in Hawai‘i. She received a M.S. in Historic Preservation from Columbia University.