I am a member of the senior professional staff at the Johns Hopkins University Applied Physics Laboratory, LLC, a university-affiliated research center and division of the Johns Hopkins University. In addition, I am a member of the adjunct faculty at Central Michigan University, the University of Maryland Global Campus, and the University of New Mexico. I am the sole member of Riave LLC.
I am currently a series editor at Chapman & Hall/CRC Press and associate editor at Military Operations Research.
I currently hold a commission from the State of Maryland in the Maryland Defense Force.
In the last three years, I have been employed by the City University of New York, the Pennsylvania State University, received extramural research support from the Extreme Science and Engineering Discovery Environment, sponsored by the National Science Foundation, and the Open Science Grid Consortium, also sponsored by the National Science Foundation. I have also held appointments from the Howard County, Maryland, government.
Finally, I have published books with Chapman & Hall/CRC Press, Springer Nature, and Steve Jackson Games Incorporated.