 During her affiliation with the college she served on the Board of Directors of the Civic Players, the Colorado Springs Symphony Orchestra and the Colorado Springs Fine Arts Center.Highlights of the Truax administration at Colorado College were the growth of the composition and piano departments during the residencies of husband and wife team Roy and Johana Harris (1943–48) and of the voice department under John C. Wilcox (1946–49); the residence of the LaSalle String Quartet (1949–54); and the excellent summer sessions which brought to the Colorado College campus such musical celebrities as Burrill Phillips (1946), Nicolas Slonimsky (1947–49), Louis Persinger (1949–50), Paul Hindemith (1949), Virgil Thomson (1950), Willi Apel (1950–52) and many others.She resigned from the college in the spring of 1951 to accept a position as treasurer of the Aspen Institute for Humanistic Studies and Director of Publicity for the Aspen Festival.