The AAS is the major organization of professional astronomers in North America, with the mission to enhance and share humanity's scientific understanding of the universe.

2022 –	Senior Member of The Institute of Electrical and Electronics Engineers (IEEE) The IEEE is the world’s largest technical professional organization dedicated to advancing technology for the benefit of humanity.
2022 –	Senior Member of The IEEE Computer Society The Computer Society is the premier source for information, inspiration, and collaboration in computer science and engineering. Connecting members worldwide, the Computer Society empowers the people who advance technology by delivering tools for individuals at all stages of their professional careers, providing a robust digital library, globally recognized standards, and continuous learning opportunities.
2019 –	Member of The American Astronomical Society (AAS) The AAS is the major organization of professional astronomers in North America, with the mission to enhance and share humanity's scientific understanding of the universe.
2017 –	Member of Sloan Digital Sky Survey-V (SDSS-V) I am the Head of Data Management and Archiving within for the SDSS-V collaboration, and I work to provide multi-epoch optical & IR spectroscopy across the entire sky, as well as offering contiguous integral-field spectroscopic coverage of the Milky Way and Local Volume galaxies.
2015 –	Member of Sloan Digital Sky Survey-IV (SDSS-IV) I am an architect and the Science Archive Scientist within the SDSS-IV collaboration, and contributed to the effort to produce the most detailed three-dimensional maps of the Universe ever made, with deep multi-color images of one third of the sky, and spectra for more than three million astronomical objects.
2012 –	Member of Sloan Digital Sky Survey-III (SDSS-III) I am an architect within the SDSS-III collaboration, and contributed to the effort to map the Milky Way, search for extrasolar planets, and solve the mystery of dark energy.
2009 –	Member of The American Physical Society (APS) The APS advances and diffuses the knowledge of physics for the benefit of humanity, promotes physics, and serves the broader physics community by advancing scientific discovery and the dissemination of research.
2009 –	Member of The Institute of Physics (IOP) The IOP is the professional body and learned society for physics in the UK and Ireland, inspiring people to develop their knowledge, understanding and enjoyment of physics.
2001 –	Member of The Institute of Electrical and Electronics Engineers (IEEE) The IEEE is the world’s largest technical professional organization dedicated to advancing technology for the benefit of humanity.
2001 –	Member of The IEEE Computer Society The Computer Society is the premier source for information, inspiration, and collaboration in computer science and engineering. Connecting members worldwide, the Computer Society empowers the people who advance technology by delivering tools for individuals at all stages of their professional careers, providing a robust digital library, globally recognized standards, and continuous learning opportunities.
2001 –	Member of The Association of Computing Machinery (ACM) The ACM is the world's largest educational and scientific computing society, and provides resources that advance computing as a science and a profession.