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Area served
Key people
Kelly Farrell (CEO)
Number of employees
Tokyo Bay Rehabilitation Hospital, Tokyo

CallisonRTKL is a global architecture, planning and design firm formed from the October 2015 merger of Callison and RTKL Associates, both of which were subsidiaries of Arcadis NV.[1]


Lance K. Josal FAIA is the immediate-past CEO of CallisonRTKL;[2] Tim Neal became CEO of CallisonRTKL as of June 1, 2017.[3] On May 6, 2019 Kelly Farrell was named the new CEO [4]


Chapman Taylor and CallisonRTKL have submitted plans for the £1.4 billion redevelopment of Brent Cross Shopping Centre in North West London.[5][6] CallisonRTKL designed the Four Seasons Residences in Beverly Grove, Los Angeles set for completion in 2019.[7] Its 5th and Hill project at Pershing Square in Downtown L.A. features cantilevered, glass-bottomed swimming pools projecting from the building's envelope.[8]


  1. ^ Bhatt, Sanjay (20 October 2015). "Callison merges into another architecture firm, HQ shifts to Baltimore". The Seattle Times. Retrieved 8 April 2016.
  2. ^ CallisonRTKL, Lance Josal Archived 2016-10-28 at the Wayback Machine Accessed 10/27/2016
  3. ^ Arcadis Appoints Tim Neal as New CEO of Callisonrtkl GlobeNewswire/Nasdaq, 8 March 2017
  4. ^
  5. ^ TIM CLARK, ELLA BRAIDWOOD Chapman Taylor and Callison RTKL lodge plans for £1.4bn Brent Cross revamp Architects Journal, 24 MAY 2017
  6. ^ Grant Prior, Race starts for first £15m Brent Cross infrastructure deal Construction Enquirer, 2017/05/25
  7. ^ BIANCA BARRAGAN, Construction on Four Seasons condos in Beverly Grove underway this week: The development includes a $50-million penthouse Curbed, MAY 30, 2017
  8. ^ ANTONIO PACHECO, CallisonRTKL proposes Jenga-shaped tower for Downtown L.A. The Architect's Newspaper, October 11, 2016

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