Chris Mattmann
After creating Tika , and helping to create other projects including Apache Nutch an open source web crawler and the predecessor to the big data platform Apache Hadoop , in May 2013 Mattmann joined the Board of Directors at the Apache Software Foundation where he served until March 2018 and held roles including Treasurer , Vice Chairman , and Vice President of the Legal Affairs Committee . 
<triplet> Apache Nutch <subj> Apache Software Foundation <obj> developer <triplet> Apache Hadoop <subj> Apache Software Foundation <obj> developer