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Architecture, Design, Interior



Ritsy Seta formed an interior design company with fellow designer Linda Ueda in 1988. In 1997, check a year of changes, and Linda retired and Paul Noborikawa joined the firm. It was in that year that Ritsy and Paul founded ADI Design Group. In 2000, Jim Motonaga joined the team. Under the leadership of three principals together with a versatile and talented staff, ADI Design Group provides the “Boutique Style” of design service to its clientele.


Ritzy Seta, ASID

is the principal Interior Designer at ADI Design Group, with over 33 years experience in the industry, since graduating from the University of Hawaii. She specializes in residential and commercial design, throughout the Hawaiian Islands, winning accolades for work on homes in Kahala, Hawaii Loa Ridge, Waialae Iki, Hawaiki Tower , Nauru Tower, Waikiki Landmark, Canterbury Place and Hokua. Her style and eye is attuned to creating vibrant, attentive spaces for executive offices, retail, and hospitality, including and St. Germain Bakery in Ala Moana Shopping Center, Ho`ao Wedding Reception at Nauru Tower and the Ilikai Seaside Chapel. Ritsy’s dedication to her clients and design execution is sensitive, expressive, and comprehensive.

Ritsy Seta received a Bachelor of Fine Art from the University of Hawaii, and became a member of ASID in 1980. She worked for Mark Masuoka Designs, Inc. from 1981-1988, then established Ueda/Seta Associates, Inc. Ten years later, Ritsy and architect Paul Noborikawa got together to start ADI Design Group in 1998, where she currently serves as President and principal designer, specializing in luxury residential and commercial interiors.

Ritsy is very active in the community. She has served as President of the Japanese Women’s Society Hawaii. She also lends support to the Kuakini Medical Foundation during their holiday fundraisers.

Jim Motonaga, ASID

has been principal and project manager for ADI Design Group for over 8 years, specializing in hospitality and commercial design. He has worked extensively throughout the Hawaiian Islands and Guam for 31 years, after receiving his degree in Architectural Design and Drafting from the New York Technical Institute. Jim has accepted numerous ASID and BIA awards for projects including Waikiki Parc Hotel, Sheraton Moana Surfrider Hotel, Colony Surf Hotel and Penthouse West, Chef Mavro, First Hawaiian Bank in Maite, and the Historic Walker Estate. Especially innovative and creative in the hospitality market, Jim contributes fresh and smart design solutions to both existing and new interior spaces. He continues to be recognized for work on resorts throughout the islands, notably, The Hawaii Convention Center, Lewers Lounge at the Halekulani Hotel, Waialae Country Club, Hilton Hawaiian Village, Hualalai Beach Club and Villas, and The Dunes at Maui Lani Golf Clubhouse. His approach to design is clean, intuitive, and versatile, achieving inspired aesthetic results.