Original sentence: She is also very active in professional-amateur collaboration, especially in conjunction wth the American Association of Variable Star Observers, for whom she has served both as an officer on the board and, for the term 2007-08, as President of the organization
Edited sentence: She is also very active in professional-amateur collaboration, especially in conjunction with the American Association of Variable Star Observers, for whom she has served both as an officer on the board and, for the term 2007-08, as President of the organization