Colin Stephens, Development Consultant

Colin Stephens founded Design International in 1965. Under his leadership the company developed into a leading international consultancy with offices in North America, Asia and Europe. Since transferring ownership of his company, Colin continues to play an active role in the development consulting industry.

Colin brings a “global” perspective to the development of a project. Clients who seek leading-edge directions for projects seek him out not only for his vision but also his ability to take a plan from the conceptual stage to one of successful implementation. Colin’s strong commitment to research as well as his relationships with major players in the development community have produced ground breaking developments.

Külli Millar, Research Consultant

Designing with market knowledge is the key to successful development. Combining informed research and design instinct creates award winning, creative and profitable developments.

Külli has firsthand experience conducting research for Design International in more than 50 cities across North America, Asia, the Middle East and Europe for leading developers, shopping centres, retailers and financial investors. Her extensive research background includes more than 30 years’ experience conducting consumer research, feasibility studies, and concept development studies for a wide range of retail, entertainment and mixed-use projects.

Selected Development and Research Projects


  • Aberdeen Centre, Vancouver, B.C.
  • BCE Place, Toronto, Ontario
  • Borgata of Scottsdale, Scottsdale, Arizona
  • Chapel Hills, Colorado Springs, Colorado
  • Citicorp Center, New York, New York
  • CocoWalk, Coconut Grove, Florida
  • College Park and Commerce Court,
    Toronto, Ontario
  • Desert Xpress, Xpress West,
    Las Vegas, Southern California
  • Empress Walk, Toronto, Ontario
  • Galleria at Southpointe,
    Pittsburgh, Pennsylvania
  • Jax Brewery, New Orleans, Louisiana
  • Lenox Square, Atlanta, Georgia
  • M Resort, Las Vegas, Nevada
  • Mandalay Place, Las Vegas, Nevada
  • Pennsylvania Avenue Redevelopment,
    Washington, DC
  • Queen’s Quay Terminal, Toronto, Ontario
  • Rentschler Field Masterplan,
    Hartford, Connecticut
  • World Financial Center,
    Battery Park, New York


  • Beijing Kerry Centre, Beijing
  • Bugis Junction, Singapore
  • Carmelray Centre, Laguna, Philippines
  • Central Department Store, Bangkok
  • China World Trade Center, Beijing
  • Diamond Hill (Plaza Hollywood),
    Hong Kong
  • Dong An Market, Beijing
  • Fantasy Dome, Fukuoka, Japan
  • Fusionpolis, One North, Singapore
  • Gaysorn Plaza, Bangkok
  • Kyoto Cultural Entertainment Center,
    Kyoto, Japan
  • Lakeland, Surabaya, Indonesia
  • Lippo Village, Jakarta, Indonesia
  • Lotte, Seoul, South Korea
  • New Mandaue City, Cebu, Philippines
  • Nishinomiya Marina City, Osaka, Japan
  • Paragon Shopping Centre, Singapore
  • Rockwell Power Plant, Manila, Philippines
  • Saisei Masterplan, Osaka, Japan
  • Shanghai World Financial Center, Shanghai
  • Subang Parade, Kuala Lumpur, Malaysia
  • Suntec City, Singapore
  • Takashimaya, Tokyo, Japan
  • Tampines Mall, Singapore
  • The Heeren, Singapore
  • The Landmark, Hong Kong

Middle East & Africa

  • Burjuman Centre, Dubai, UAE
  • Eastgate, Johannesburg, South Africa
  • Emirates Towers, Dubai, UAE
  • Island City, Abu Dhabi, UAE
  • Nile City, Cairo, Egypt
  • Palm Jumeirah, Dubai, UAE
  • Sandton City, Johannesburg, South Africa
  • San Stefano Grand Palace,
    Alexandria, Egypt
  • The Avenues, Kuwait City, Kuwait


  • Aker Brygge, Oslo, Norway
  • BFG Building, Frankfurt, Germany
  • Brussels Deux, Brussels, Belgium
  • Cameron Toll, Scotland, UK
  • Casamassima Power Center, Bari, Italy
  • Celano Village, Celano, Italy
  • Centro Direzionale, Naples, Italy
  • Edinburgh Maritime, Edinburgh, Scotland
  • Kämp Galleria, Helsinki, Finland
  • Odysseum, Montpellier, France
  • Paternoster Square, London, UK
  • St Genis, Lyon, France
  • Sture Gallerian, Stockholm, Sweden