As a business owner, Mary Witte recognizes that consulting services are only as valuable as the return on the investment of the recommendations. Her commitment to her customers is just that; the design solutions and job administration in expediting design are focused on creating profitable environments.

Professional Services

Mary Witte has been in the business of creating profitable projects since 1983. Today, Mary owns and operates r.o.i. Design. Her responsibilities include development, concept design, planning, and creative direction.

Previously a fine arts educator, writer, curator, retailer and social worker, Mary Witte’s diverse experience has played an integral role in her ability to efficiently and successfully run a business. Her energetic leadership style and creative influence are the driving forces behind the company’s many accomplishments and industry-wide recognition. Mary is proud to solve interior design challenges for clients of all sizes and types throughout the Mid-West.

Previous Experience

Managing Member, Accelerate ROI LLC



As an outgrowth of her work in design and development, Mary identified her customer’s need for more than design and planning. By adopting the theories and practices of “Customer Experience Management”, Mary and independent consultants have developed a consultancy that holistically looks at companies; their facility, their marketing, their technology and their performance. Industries being served include Hospitality, Finance, Medical, and Real Estate.

Senior Vice President and Member of Board of Directors, Grand Rapids Furniture Companies



Mary successfully merged Designers Workshop with the Grand Rapids Furniture Companies (then the John Widdicomb Co.) in 1995 and divested her interest in the partnership in 1997. During this strategic partnership, she designed three lines of furniture, one of which was acknowledged industry-wide by winning the American Furniture Design Award.

Owner and Creative Director of Designer Workshop



High end custom millwork and furniture for the discriminating corporate customer.