He is also a faculty member at District Data Labs and is employed by a local data science consultancy to perform ingestion, wrangling, and analytical tasks for a variety of clients.
Previously, Allen was a software engineer at Cobrain Company in Bethesda, MD where he was involved with website development, data ingestion, and data wrangling. His background also includes over 15 years of work for the U.S. Navy where he was involved with the development of public and private web systems including business process re-engineering projects. Afterwards he developed websites for the U.S. Senate and was heavily involved with the redesign and development of public websites for the U.S. Department of State, the Brookings Institution, and various government and nonprofit organizations.
Mr. Leis has been a professional Python developer for over 5 years with further experience in a variety of databases, programming languages, and software frameworks. Aside from his academic work, his current focus is on distributed compute engines such as Apache Spark although he often leverages his diverse background in server operations and web systems.