The phrase "an active contributor" is correct and usable in written English.
You can use it to describe someone who actively participates or adds value to a project, discussion, or community.
Example: "As an active contributor to the project, she consistently shares innovative ideas and feedback."
Alternatives: "an engaged participant" or "a proactive member".
Her marriage, however, has released her from her gendered responsibility to care for her mother and once the couple had children she began to extend her social networks across ethnic groups through participation at parents' activities at the school and is now an active contributor to its fundraising activities.
And you know that you were an active contributor to it".
She was a valued member of the National Arts Club and an active contributor to the Gramercy Neighborhood Association.
These results suggest that cell wall synthesis is not an active contributor to mobility in the cytoplasmic membrane.
He was both an astute editor and an active contributor to its many volumes, providing stimulating papers, particularly in the areas of child development, research, and psychoanalytic treatment.
The Open Source Beehives (OSB) project, for example, has designed a project enabling anyone concerned with bee decline to become an active contributor towards finding a solution.
The opportunity for accelerated scholarly communication may both improve the pace of discovery and diversify the means of being an active contributor to scientific discourse.
Billy is on the board of directors of Tableau Software (NYSE DATA) and is an active contributor to the Forbes Technology Council.
I have been an active contributor and volunteer at the ACM SIGGRAPH conference, and chaired the SIGGRAPH 2014 Technical Papers program.
He is author of several landmark studies of pre-industrial climate and pollution and an active contributor to the field of planetary health.
She served as Chair of the American-Scandinavian Society-Social Comm, a director of Scandinavian Seminar and an active contributor at the Norwegian Seamen's Church.
