Theorem offers high performance and ergonomic support, with optimum shape and contouring for a wide variety of uses. A Lisa Smith design.

All Office Chairs


Beauty with Purpose

Wood is strong and beautiful, warm and familiar, always distinctly individual. For nearly a century, we’ve built wood furniture that celebrates those qualities and respects their natural origins. We’re committed to understanding your needs and developing solutions that better support the way you work. Satisfying a broad range of styles – from traditional to progressive – in the open plan, private offices, meeting rooms and any other spaces designed to inspire.

Key Features

  • Complements contemporary and transitional styling, designed by Lisa Smith
  • Private office and conference room applications


Life Cycle
LEED Contribution



Designing for Sustainability

We believe the only way to provide the best office furniture solutions is to ensure they’re the best products for the environment. That’s why every step of the way – through design, manufacturing, delivery and product lifecycle – we consider the impact of our work on people and on the environment and uncover opportunities to make things better.

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53 %

Up to


15 %

Up to

recycled content

Life Cycle

Life Cycle


Up to 53% recyclable
Up to 15% recycled content

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LEED Contribution

LEED Contribution

Steelcase supports the U.S. Green Building Council’s LEED certification system with products that can contribute to LEED Building Design + Construction (BD&C), LEED Interior Design + Construction (ID&C), or LEED Operations + Maintenance (O&M) certification criteria.

Since the USGBC and its certification partner, GBCI, evaluate each project individually, the role our products play in achieving LEED certification is unique to each project.

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Theorem Contribution

  • Recycled content
  • Regional materials
  • Rapidly renewable materials
  • Sustainable purchasing


Product Range
Standard + Optional Features
Global Availability

Product Range

Product Range

Theorem high back chair

Theorem mid back chair

Standard + Optional Features

Standard + Optional Features

Theorem is available with the following standard and optional features:

  • High-back or mid-back
  • Deeper seat option

View more details and dimension

Global Availability

Global Availability

This product is available in the following regions:

  • Central America
  • Middle East
  • North America
  • South America
Not available in your region?

If you're interested in purchasing a product that's not available in your region, please contact your local dealer for purchasing options.

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Resources + Support

Need help? Contact us at 888.783.3522

Purchasing Options

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Purchase Programs

  • E&I

    Steelcase is a proud E&I Cooperative Services partner. E&I is the member‐owned, not‐for‐profit sourcing cooperative delivering expertise, solutions and services to higher education and related institutions. E&I provides members with access to a diverse portfolio of competitively awarded contracts, electronic procurement platforms, and consulting services to help them source effectively. By leveraging the knowledge and expertise of more than 3,000 member institutions, E&I helps members reduce costs and optimize supply chain efficiencies. The Cooperative’s member‐driven competitive solicitation process meets generally accepted procurement standards.

    Learn more about E&I

  • GSA

    Government Contracts
    Through a Multiple Award Schedule contract, federal government customers have an extensive selection of Steelcase office furniture and services.

    Ask your Steelcase dealer for more information about GSA.

    Find a dealer in your area