BOSTON--(BUSINESS WIRE)--Lavastorm, a leading data preparation and advanced analytics company, today announced that the company’s Lead Technology Evangelist, Dan Donovan, will be speaking on the importance of data governance at the TDWI BI Symposium entitled, “Enabling Modern Analytics.” The conference will be held from September 7-9, 2015 and will focus on how to make big data a valuable and integral part of your company’s BI and analytics ecosystem. Speaking Track Information: What: Session T