Lorenzo Bolla is a Software Architect working in London. He received a PhD in numerical methods applied to engineering problems. His focus is now on high performance web applications, machine-learning algorithms, and any other sort of number crunching he can put his hands on.
He is interested in multiple programming languages and paradigms, cooking, and chess.
Seth Brown is a Data Scientist, trained as a Bioinformatician, with a PhD in computational genomics and biostatistics. He has been using the Python programming language and SciPy since 2006. He discusses his work, data analysis, and Python on his blog – drbunsen.org.
Ryan R. Rosario is a Doctoral Candidate at the University of California, Los Angeles. He works in industry as a Data Scientist and he enjoys turning large quantities of massive, messy data into gold. Ryan is heavily involved in the open-source community particularly with R, Python, Hadoop, and machine learning. He has also contributed code to various Python and R projects. Ryan maintains a blog dedicated to data science and related topics at http://www.bytemining.com.
Ryan also served as a technical reviewer for the book NumPy 1.5 Beginner's Guide, Ivan Idris, Packt Publishing.