The people behind
our places

Our diverse team of experts are all united in their passion to create meaningful places. Over decades of experience we’ve brought the very best talent on board for their expertise and creativity. Together we’re able to go beyond the project in isolation to how places can spark unique and memorable experiences.

From the overall concept to the design details that make all the difference, each team member is key to making our visions a reality.

John C. Portman Jr., FAIA Founder
Jack Portman, FAIA Chairman and CEO
Robert Halverson, AIA, NCARB President, Chief Executive Officer, and Chairman of the Board
Gregory Botsch, AIA, NCARB Principal, Executive Vice President, and Director of Operations
Gordon Beckman, AIA Principal and Design Director
Pierluca Maffey, OAR Principal, Vice President, Design and Marketing Director
John Nipaver, AIA, RA Principal Emeritus
Walter Jackson, RA Principal And Executive Vice President
Hong Wan, AIA, LEED AP Principal, Vice President, and Director of China Operations
Chris Gray, AIA, NCARB, LEED AP Vice President, Senior Associate, and Senior Project Manager
Jonathan Mickle, AIA, NCARB, LEED AP Vice President and Senior Project Manager
Ellen Zheng Vice President And Commercial Director
Ryan Haney, AIA, NCARB, LEED GA Senior Project Manager, Associate, and Architect
Irene Yim, AIA, NCARB Senior Project Manager, Associate, and Architect
Alex Liu Project Manager
Andrew DaCosta, AIA, NCARB Senior Associate, Senior Designer
Angela Zhang China Business Executive Coordinator
Angela S. Zhang Administration Manager
Brian Giles Senior Computer Support Specialist
ChaoChao Zhao Project Designer
Cheryl Rosenbaum Finance and Accounting Director
Chrissy Hyatt Business Development Director
David Bond Project Designer
Didier Porter Designer II
Donna Mathews Accounting Manager
Edwin Ortiz Project Designer
Eunice Gong Project Manager
Fannie Zhang Assistant Project Manager
Jamila Hazel, RA Associate, Architect II
Jialu (Lulu) Li, LEED AP Designer III and Project Coordinator
José Pajares Designer III
Joyce Li, RA Project Manager
Keyhan Khaki Designer
Lauri Martin Office Manager
Leland King Senior Model Maker
Mahnaz Esfahani Project Designer
Qi Zhang Delineator
Rebecca Duncan Designer III
Rebekah Wallace Project Designer
Rhoda Peng China Business Development Director
Robert Hubble, RA, LEED AP Senior Associate, Architect III
Sara Free Brand Specialist, Graphic Design Manager
Simon Bailey Chief Information Officer
Steve Lin, AIA Senior Associate, Architect III
Sylvia Williams, PHR, CPP Payroll Manager and Human Resources Manager
T. Coston Dickinson Designer II
Thomas Hardy, RA, NCARB, LEED AP Senior Associate, Architect III
Tom Wilkins BIM Manager
Toni Cliett, NCARB Architect II
Trinette Edge, PHR, SHRM-CP Director of Human Resources
Weihao Liang Architect I, Associate
Yvonne Hammac Executive Administrative Assistant
Zach Brown Designer I