Our Staff

Each member of the Counseling Center staff has met the professional and academic standards necessary to practice counseling in the State of Illinois.


Toussaint D. Whetstone, Ph.D. is a Counseling Psychologist and the Director of the Wheaton College Counseling Center. He received his B.S. in Psychology from Olivet Nazarene University, his M.A. in Clinical Psychology from Wheaton College, and his Ph.D. in Counseling Psychology from Loyola University Chicago. In addition to working as a staff therapist in the Wheaton College Counseling Center from 2007-2010, Dr. Whetstone has worked in various other settings including DePaul University Counseling Services, Alliance Clinical Associates, in Wheaton, IL, and the University of Notre Dame Counseling Center. Dr. Whetstone specializes in crisis intervention and the treatment of anxiety and mood disorders in emerging adults. Dr. Whetstone also specializes in helping individuals who present with spiritual concerns, sexual orientation issues, and issues related to racial/ethnic identity. 

Professional Memberships: American Psychological Association (APA)- Division 17 (Society of Counseling Psychology), Division 45 (Society for the Psychological Study of Culture, Ethnicity and Race), and Division 51 (Society for the Psychological Study of Men & Masculinity)/Christian Association for Psychological Studies (CAPS)/Association for University and College Counseling Center Directors (AUCCCD)

JoAnn Nishimoto, Psy.D. is a Licensed Clinical Psychologist and the Director of Clinical Training at the Wheaton College Counseling Center.  Her responsibilities include supervision and training of masters-level and doctoral-level trainees. Dr. Nishimoto received her Business Administration degree from the University of Louisiana in 1980. After a first career in camp management and income tax preparation, Dr. Nishimoto received a Master of Arts in Counseling from Liberty University in 1993. She later continued her education at the Wheaton College Graduate School and earned her Doctorate in Clinical Psychology in 2002, completing one of her practicum experiences in the Wheaton College Counseling Center.  During 24 years as a mental health professional, Dr. Nishimoto has worked extensively with sexual assault victims, with PTSD in combat veterans, with depression and anxiety in outpatient populations, and in supporting those in vocational Christian service.  Her special interests are self-esteem transformation and the dove-tailing of emotional and spiritual healing. Dr. Nishimoto is a member of the American Association of Christian Counselors.

Donna Aldridge, M.A., L.P.C. is a Licensed Professional Counselor. Donna earned her B.A. from Wheaton College, and her M.A. in Clinical Psychology from Wheaton College Graduate School. Prior to coming to the Wheaton College Counseling Center, Donna has worked in a variety of clinical situations including private practice and hospital settings. Donna worked 10 years part-time for Central DuPage Hospital as a crisis counselor in their ER. At the Counseling Center, Donna's specialty areas include eating disorders, sexual abuse, and depression, in addition to working with individuals, couples, and groups.

Matthew Hyder, M.A., L.C.P.C., C.A.D.C. is a Licensed Clinical Professional Counselor and a certified alcohol and drug counselor. Matthew changed careers after graduating from Michigan State University with a BS in Mechanical Engineering and attended the Master's program in Clinical Psychology at Wheaton College Graduate School. Prior to coming to the Wheaton College Counseling Center, Matthew worked for four years in the city of Chicago as a Child Welfare Therapist counseling foster children, and as a Treatment Counselor for substance abuse clients. Matthew has also worked in different inpatient psychiatric hospitals and at a group private practice in Wheaton. At the Counseling Center, Matthew focuses on anxiety and mood disorders, addictions, couples, OCD, and family of origin issues.


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