Article · Wikipedia archive · Last revised Jun 5, 2026

CallisonRTKL

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.

Last revised
Jun 5, 2026
Read time
≈ 1 min
Length
293 w
Citations
9
Source
CallisonRTKL
IndustryArchitecture
PredecessorRTKL Associates
Area served
Worldwide
Key people
Kim Heartwell (CEO)
Number of employees
800
Websitewww.callisonrtkl.com
Tokyo Bay Rehabilitation Hospital, Tokyo source ↗
Royal Pavilion, Aldershot source ↗

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

Chief Executive Officers (Effective Date)

  • Kim Heartwell (26 January 2021)2
  • Kelly Farrell (6 May 2019)3
  • Tim Neal (June 1, 2017)4
  • Lance K. Josal FAIA (1 September 2009)5

Projects

Chapman Taylor and CallisonRTKL have submitted plans for the £1.4 billion redevelopment of Brent Cross Shopping Centre in North West London.67 CallisonRTKL designed the Four Seasons Residences in Beverly Grove, Los Angeles set for completion in 2019.8 Its 5th and Hill project at Pershing Square in Downtown L.A. features cantilevered, glass-bottomed swimming pools projecting from the building's envelope.9

References

References

External links