Complex sentence: In 1899 Burgess joined the National Association of Women Artists and the Woman's Art Club of New York, where she served as the organization's president from 1905 to 1910 and contributed to its financial growth.
Split into simpler sentences: In 1899 Burgess joined the National Association of Women Artists (NY Women's Art Club). She served as the organization's president from 1905 to 1910 and contributed to its financial growth.