Charles has served 19 years at Columbia College, fourteen years as Chairperson, Science and Mathematics Department.
College Committee Service includes: Chairpersons' Council (Chair 2 terms); College Chicago Council (Secretary, 3 yrs); Budget & Priorities (Chair); Retirement Plan Administrative Committee; Faculty Development Committee (Chair); School of Liberal Arts and Sciences (Curriculum Committee); Vision 2010 Committee; Strategic Planning Committee (Chair); General Education Advisory Committee; Sabbatical and Faculty Development Awards Committee, (Chair); College Restructuring Committee; Columbia; Blue Ribbon Comm. – “Open Admissions” appointed by A. Harris, Chair, Trustee Board; Retention Task Force –Appointed by President John Duff; College Governance Task Force; Developmental Education Committee; All-College Curriculum Committee; Sabbatical & Professional Development Awards Committee; All-College Retention Committee; College Bridge Program Task Force.
College Representative – Udall Foundation Undergraduate Scholarship Nominations; Black Faculty and Staff Organization (Officer & Founding Member); College Liaison-Science Chicago Initiative (Appointed by President Carter).
Professional Memberships include: AAUP, American Chemical Society (Local Section Board, Councilor – National Governance), National Organization for the Advancement of Black Chemists and Chemical Engineers, National Science Teachers Association, NAACP (Life), National Association of Negro Musician, Inc. (Board of Directors, Regional Vice President 25 years).