Passionate software developer with structured thinking in mind, one of few Apache Software Foundation members.

Active in

• Apache Maven (PMC member)
• Apache Commons (committer)
• Apache HttpComponents (PMC chair)
• Apache Velocity (PMC member)
• Apache Tomcat (committer)
• Apache APR (PMC member)
• Codehaus Plexus Components
• curl and libcurl
• msktutil
• WebSVN
• MojoHaus

Contributed to

• Checkstyle
• MIT Kerberos
• Spring Framework
• Cyrus SASL
• Apache Subversion
• JOpt Simple
• mod_spnego
• libserf
• DisplayTag
• sslscan
• FreeBSD Ports
• HawtJNI
• mod_auth_gssapi
• pupnp
• Gerbera (formerly MediaTomb)
• JMeter
• Python
• libutf8proc
• sha1collisiondetection
• GNU coreutils, readline
• Git
• blake2
• libapr
• KdcProxy
• diffoscope
• colordiff
• asciinema
• Apache Directory Kerby
• SQLite JDBC Driver
• sudo
• gitup
• py-requests-negotiate-sspi
• FreeBSD
• py-gssapi
• py-requests-gssapi
• Logback
• libarchive

and others which I already forgot.

Author of

• JNDI DirContentSource
• Michael Osipov's Apache Tomcat Extras
• SPNEGO/Kerberos Authenticator and Active Directory Realm for Apache Tomcat
• Enterprise-Class Authentication for Apache Subversion

FreeBSD port maintainer of

• Sonatype Nexus OSS 2.x
• PEAR GeSHi
• Java Service Wrapper
• websvn