Toh Tsun Lim, AIA joined PEI Architects in 1994, where he has held the position of Principal since 2007, subsequently rising to Partner in 2024. Prior to his tenure at the firm, he served as a design architect in the studio of Paul Rudolph. At PEI, Mr. Lim demonstrated exceptional leadership by successfully managing the design and construction of several prominent large-scale buildings, including the towering 256-meter Sentra BDNI tower in Jakarta, the prestigious Ronald Reagan UCLA Medical Center in Los Angeles, the esteemed Bank Of China Private Banking Facility in Hong Kong, and the recently completed Balai Pameran Islam Sultan Haji Hassanal Bolkiah Museum for the Sultan of Brunei.
From 2000 to 2006, Mr. Lim collaborated with I.M. Pei on the Doha Museum of Islamic Art in Qatar, first as a designer and later as Project Architect overseeing construction completion. During this period, he also played a key role in the expansion designs of one of Mr. Pei’s inaugural museums, the Everson Museum of Art in Syracuse, NY.

Currently, Mr. Lim directs multiple projects for the Bank of China, including the Bank of China Shanghai Lingang Mixed-use Development, the Bank of China Guangxi Tower, and the Bank of China Haikou International Financial Building, all slated for completion by 2025.

In New York City, Mr. Lim’s leadership was instrumental as the lead architect for a developer in a consortium that successfully secured a rezoning amendment for the Special Flushing Waterfront District in Queens. This visionary project promises a comprehensive transformation, including a privately funded new street network, 6.5 acres of public open space, waterfront cleanup, and the creation of a new publicly accessible waterfront park. Additionally, the district will encompass the construction of 1,725 units of both market-rate and affordable housing, 879 hotel rooms, and over 600,000 square feet of office, community facilities, and retail amenities.

Mr. Lim’s academic background includes a Master of Architecture degree from the University of Pennsylvania and a Bachelor of Arts degree in Economics from Trinity College in Connecticut. He is a registered architect in New York and an active member of the American Institute of Architects and the Council on Tall Buildings and Urban Habitat. Mr. Lim’s contributions extend beyond his professional duties, as he has lectured and served as a panelist for various New York City industry organizations, including the Center for Architecture in NY and the Asian Financial Society. His expertise has garnered international recognition, with profiles in leading design publications like Architectural Record and Position Magazine. Mr. Lim is also sought after as a lecturer on best practice for design and construction methods for international projects. In 2023, he was honored to serve as a jury member for the Hong Kong AIA Annual Honor and Awards program, which celebrates excellence in architecture, interiors, urban design, and sustainability.