Krishna Sankar is at blackarrow.tv as Chief Data Scientist. Earlier stints include Data Scientist with Tata America Intl, Director of Data Science/Bioinformatics startup & as a Distinguished Engineer/Cisco. He is member of Program Committee & Paper reviewer for KDD2013 & KDD2014. Krishna’s speaking engagements include pydata 2013 – Bayesian Machine Learning, OSCON - Social Media Analysis with Twitter (2012), Hitchhiker’s Guide to Kaggle (2011) & NOSQL (2010); guest lecturing at the Naval Postgraduate School. His other passion is Lego Robotics - in fact just after pycon, you will find him in St.Louis FLL World Competition as Robots Design Judge.