Ullman has been a design teacher and practitioner since 1975. In 1984 he joined the faculty of Oregon State University. He retired from there in 2002.
He is a Life Fellow of the American Society of Mechanical Engineers (ASME) and founder of its Design Theory and Methodology committee. He is certified in TOGAF, ArchiMate and Taguchi Methods.
In 1992 he founded BikeE. It grew to become the worlds best selling recumbent with its simple, economical design. Ullman started the company and was chief product designer. Over 30,000 bicycles were sold before Ullman left the company in a business dispute. The company went out of business soon thereafter.
In 1991 Ullman wrote the first edition of “The Mechanical Design Process”. It is now in its 5th edition (2015), published by McGraw Hill. Click here for link to the book.
Quotations from reviews on Amazon for the 4th edition include:
"This text has fast become a favorite at our company; reminding our engineers of some of the key fundamentals of the machine design process. As designers of advanced machine design software technologies, Dr. Ullman's book has inspired the team resulting in valuable brainstorm sessions and innovations. All have found this text to be a great and energizing read."
"This is a great explanation of how the design process SHOULD work."
"Ullman provides an easy to understand text on an extremely detailed subject matter."
Twenty five Mechanical Design Templates are available to support the best practices in the text.
A series of 14 Case Studies that support the material in "The Mechanical Design Process". Each of these was developed in cooperation with a company to show how they make use of best practices covered in the text.
David Ullman also consults and provides expert whitness services on the design process and product development risks. For details click here.