Whitney Quesenbery is a user interface designer and usability specialist with a passion for clear communication. As the principal consultant for Whitney Interactive Design (wqusability.com), she works with companies around the world to develop usable web sites and applications.

As an advocate for usability, Whitney is active in many industry projects. She is president of UPA, on the board of Design for Democracy, runs the popular STC Usability web site, and leads a project creating guidelines for usability test reports. She is deep in the “politics of usability” as the chair for Human Factors and Privacy on a US government committee on voting standards.

Whitney is a frequent contributor to industry publications. Most recently, she wrote a chapter on “Personas and Narrative” for The Personas Lifecycle (Pruitt and Adlin, Morgan Kauffmann, 2005), examining how storytelling improves our understanding of the people who use our software. Her work on “Dimensions of Usability” was published in Content and Complexity, (Albers and Mazur, eds, Erlbaum, 2003).

Daniel Szuc is the Principal Usability consultant with Apogee Usability Asia Ltd. - www.apogeehk.com - a Hong Kong-based usability company that assists companies in Asia like PCCW, HSBC, Cathay Pacific, Marriott, Yahoo and eBay make their products easier to use. He has also worked with Telstra Australia and IBM.

Daniel has spoken on Usability in Hong Kong , China , Singapore and Australia .

He is a founding member and President of the Usability Professionals Association chapter in Hong Kong and holds a BS in Information Management from Melbourne University Australia .

Gerry Gaffney is highly experienced in usability and related areas. As well as taking the lead in all significant projects undertaken by Information & Design, he has lectured in Usability and User Experience Design at under-graduate and post-graduate level at Swinburne University in Melbourne, as well as guest-lecturing at RMIT, Deakin and VUT. He writes and speaks frequently on usability in a variety of forums.

He has developed usability training materials for a variety of commercial and academic organizations.

He has spoken on usability topics in Australia , Hong Kong , China and Taiwan .

Several of his articles have been published in the national press. He has also spoken about user-centered design on national radio.