Career
While on the Board of Directors, Chassell was also the treasurer for FSF. He left the FSF to become a full-time speaker on free software topics. Chassell has authored several books including:
Chassell, Robert J. (2003). Software Freedom: An Introduction.
Boston: GNUpress.
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Chassell, Robert J. (2004). An introduction to Programming in Emacs Lisp. Boston: GNUpress.
