Expert profile: Dr. Danny Lange

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Dr. Danny B. Lange is a software technology innovator. He is widely known for 
his invention of the Java Aglet, a lightweight mobile agent for the Java 
programming environment. In 2000, IBM turned the Java Aglets project into an 
Open Source project. He has authored the two most frequently cited works on 
mobile agent technology [Google Scholar]. In addition to his software agent 
work, he has also made significant contributions in the areas of hypertext 
technology, object-oriented database modeling, and Design Pattern visualization 
techniques. 
Danny is also recognized in the industry as a leading proponent of the VoiceXML 
standard and as an expert in speech recognition systems. As co-founder of 
Vocomo – 2001 to 2005 – he built one of the best Interactive Voice 
Response (IVR) systems in the world. This 100% Java-based VoiceXML system 
allows users to extend existing or new Web applications to be accessible by any 
phone. 
As CTO of Silicon Valley’s legendary General Magic, Inc., Danny was 
instrumental in building the architecture for its industry-leading voice 
response service architecture. His early work with General Magic resulted in 
the invention of software agents, which monitor and act on Web content on 
behalf of a user, and when necessary, interacts with the user via voice. 
Through his work on General Motor’s OnStar Virtual Advisor, Danny provided 
the foundation for the development of one of the largest consumer services in 
the voice market. 
Prior to joining General Magic, Dr. Lange was Visiting Scientist at IBM Tokyo 
Research Laboratory from 1993 to 1997. He has also been Visiting Researcher at 
Tokyo University and a consultant for Nissho Electronics in Tokyo. From 1987 to 
1992, Danny was Software Architect at Brüel & Kjær A/S in Nærum, 
Denmark, where he led development of a pioneering network-based distributed 
hypertext system. He developed his first network-based hypertext browser in 
1988 and pioneered the concept of Web CGI in 1992/93. Danny wrote his first 
program for CP/M on a Canon micro computer in 1980. He also wrote a compiler 
for Canon Basic based on the Motorola 6809 CPU. 
Danny is a native of the Kingdom of Denmark. He holds MS and Ph.D. degrees in 
Computer Science from the Technical University of Denmark. He is a member of 
ACM and IEEE Computer Society. He has several patents to his credit, has 
presented his work at leading conferences, published articles in many journals.