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Klaus Hofer

Founder and CEO

A corporate psychologist by training, Klaus’s passion for Usability Mapping was triggered by a serious incident that endangered the life of an unsuspecting hospital patient. In search of the cause, he found only opinions, judgmental answers and countless rules. This led him to the question: “How can well trained, focused and dedicated professionals make mistakes that could kill someone?”

The question in turn led him to a lifetime of research, development and now promoting the scientific principles that underpin the development of safer, more usable documentation. He founded CAT-i in 2003 and has personally trained over 6,000 professionals in 38 organizations world-wide.

Born in Austria, Klaus now lives in Canada and spends his spare time on his second passion – music.


Mike Hanna

CAT-i USA, Houston, Director for Document Engineering Services; U-Map Document Engineer & U-Map Certified Trainer

20+ years as an Operator, Training Foreman, Project Manager and Procedure Analyst in the oil and gas industry gives Mike a vast amount of knowledge and experience to apply to Usability Engineering and documentation. He’s kept on his toes by his three active kids.

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Kimberley McRae

CAT-i event coordinator; U-Map Document Engineer

A member of the CAT-I team since 2012, Kim is also an active member of the Canadian luge team. In the Sochi Olympics she placed 5th in the world, and competing for Canada during the World Championships in 2017 in Innsbruck Australia, Kimberley won a stellar Bronze Medal, making her the third fastest luger in the world.

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Carol Balogh

U-Map Document Engineer; U-Map Auditor

Carol specialises in usability mapping technical manuals, standards and procedures. Apart from usability engineering technical documents Carol is also a knitting specialist of the finest, as her Ravelry site shows.

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Rucha Mehta

U-Map Document Engineer

Rucha is an engineer by training and holds a Masters of Management from the University of Warwick in England. Her experience ranges from Retail Banking to Oil and Gas with the last 10 years in contract formation & management in Supply Chain. She is co-founder of a graphic design & boutique printing studio and loves travelling with her two little kids in her spare time.


Gudrun Griffin

U-Map Document Engineer

As a Health and Safety Specialist and Registered Nurse Gudrun has traveled around Western and South Australia, Bass Straight, Timor Sea and East and West Africa. Over 20 years in Oil and Gas, Exploration, Mining and Construction at contractor, EPCM and Client level both in the field and at corporate level in Perth underpins her passion for documentation. Her creative passion is with textiles, fibres and fine arts.


Jeff Boyer

UMAP IT development, U-Map Document Engineer

Jeff is IT/IM professional with over 20 years’ experience. His experiences range from Health Care to Oil and Gas with the last 8 years in IT Governance, Risk and Compliance. In his spare time he loves cooking and traveling with his wife and kids.

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Addie Goodson

Addie Goodson graduated from Sam Houston State University, where she has been active in 5 research labs and published her Master’s thesis. She is very passionate about putting her research skills to use helping promote awareness of the benefits for Usability Engineering in document writing for hazardous work environments, delivering patient instructions, and looking for different avenues that Usability Engineering could be of benefit.


Neville Chamberlain

Chief Operating Officer; U-Map Document Engineer

Neville ensures that the CAT-i operations run smoothly. With a background in radical business performance improvement he also is a certified U-Map Document Engineer.

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Isa Stahl

U-Map Document Engineer

A registered psychologist, Isa consults with the Furth Law Firm P.A. in Las Cruces where she specializes in workers’ rights and labour relations. When she has free time she works on improving her Spanish, promoting fine arts and working with Dharmahorse.

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Hannes Robier


Hannes is the founder and chair of the World Usability Congress and represents CAT-i in Austria through youspi.com.

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Christa Spengler-Rast


Christa is the CAT-i representative in Germany. You can contact her via CSR Consulting.