1,600 people in 24 cities living 4 values for 1 goal:
To use design to help our clients succeed.

We create exceptional environments that meet our clients' most complex design challenges.

We inspire people through our work by expressing timeless cultural, organizational and personal values.

We connect people and place with ideas that come from many minds and imaginations.

We care about serving our clients, enriching lives, improving communities and protecting our natural environment through design.

We are a global architecture, design, engineering and planning firm.

60+ Years of Design + Innovation
Regional Leaders

Dan Sullivan AIA

Marketing Principal
Marketing Board Member

+1 312 254 5454


Dan Sullivan

Dan Sullivan, AIA, is the marketing principal in HOK’s Chicago office.

With more than 30 years in the industry, Dan brings clients a valuable hybrid of architecture and business development/marketing expertise. He has a wide range of experience leading interdisciplinary teams in the design of large projects for corporations, commercial developers, institutions, airports and municipalities.

Dan is a member of the American Institute of Architects (AIA), Urban Land Institute (ULI), the Economic Club of Chicago, the City of Hope Hospital Council and the Advocate Healthcare Foundation.


Today’s Workplace Design Must Appeal to Millennials’ ‘Activity-Based’ Lifestyle | BD+C


University of Colorado, Boulder
Bachelor of Environmental Design