Dr. Rajkumar Thirumalainambi is a computer scientist with the San Francisco Division of the Federal Bureau of Investigation. Since 2013, he has supported cyber intrusion and cryptocurrency cases in the Silicon Valley for the FBI. His current interests are blockchain technology, blockchain database and interoperability. Prior to joining the FBI, Dr. Thirumalainambi was a computer scientist at the NASA Ames Research Center for 12 years specializing in data mining and algorithms.