I am a speech scientist, working as a consultant, with large experience on speech recognition. I have been a key collaborator in various aspects of the Carnegie Mellon University (CMU) Sphinx project, having been a designer/developer of Sphinx-2, Sphinx-3, Sphinx-4, and SphinxTrain, available as open source. I am always looking for new challenges.

My areas of interest are voice search, robust speech recognition, lexical modeling, multilingual systems, systems with limited resources. My resumé has the details about my professional and academic experience. The Publications page has my list of publications with copies of the papers. I also have professional profiles on and

I have been affiliated with several academic and industrial institutions. In the industry, I worked for some Fortune 500 companies, with tasks including building application packages using the AT&T Speech API. I worked on voice search while at the Mitsubishi Electric Research Labs (MERL), in the Boston area. I was also one of the key developers who created the speech recognition system at Honeywell Vocollect, in Pittsburgh.

In the academic world, I was a research staff member at Carnegie Mellon, affiliated with the Robust Speech Group as well as the project LISTEN. More recently, I was an affiliate member of the Machine Learning for Signal Processing Group (MLSP) of Carnegie Mellon's Language Technologies Institute. I was also engaged in a joint project with the T.U. Darmstadt.

I have been involved in the open source CMU Sphinx project since 2001.