Clinical Staff


Clinical counseling staff are listed below, along with a few areas of their specialization outside general counseling for individuals and common mental health issues. When you call to make an appointment, we’ll match you with a therapist based on your needs and the therapists’ strengths or specialities, as well as client and therapist availability.

You can click on the name of each individual therapist to read more about their education, training and specialties.

Cassie Whitfield
Cassie Whitfield, LCSW, Director of Training

Location: Naperville & Chicago
Specialities include: ADHD, Anxiety, Depression, Couples
LGBTQIA, Poly/Non-Monogamous, Racial & Cultural Identity.

Shanna Hoekstra, LCSW, PhD(c)

Location: Naperville and Rochelle
Specialties include: ADHD, Autism, Children & Teens, Depression,
Eating Disorders, Families, Mindfulness, Play Therapy, and Trauma.

Rebecca Esser, MA, LPC

Location: Rochelle & Naperville
Specialities include: Anger & Assertiveness, Couples, Trauma,
Sex/Poly/Non-Monogamy, Self Esteem, Children/Youth.
Rebecca is certified in EFT Couples Therapy.

Carmisha Foster, MA, LPC

Location: Chicago
Specialties include: Anxiety & Stress, Couples/Relationships,
Conflict Resolution, Depression & Mood, and Trauma.

Colleen Kelly, BA, CADC, CCYT

Location: Naperville.
Specialities include: Addictions, Children/Teens,
Relationships and Motivational Interviewing.
Colleen is a certified drug & alcohol counselor, and
certified child trauma therapist.

Maryellen Murphy, BA

Location: Kankakee & Naperville

Specialties: Anxiety, Depression, Mood disorders, Stress Reduction
and Work-School-Life- Balance.

Mary Holmes, BA

Location: Kankakee & Naperville
Specialities include: Stress/Anxiety, Depression, Couples,
LGBTQIA, Children, Attachment, Trauma.

Jessica Norman, PhD. TGC Founder & Clinical Director

Location: Naperville, Rochelle and Kankakee
Specialities include: Relationships, Clinical training, LGBTQIA,
Poly/non-monogamy, Personality disorders & Trauma.


Phone: (630) 423-6010

Office Hours:

Monday:            8:00 am to 8:00 pm
Tuesday:            8:00 am to 8:00 pm
Wednesday:      8:00 am to 8:00 pm
Thursday:          8:00 am to 8:00 pm
Friday:               8:00 am to 8:00 pm
Saturday:          8:00 am to 6:00 pm
Sunday:             Closed

Our phones are answered live Monday through Friday, 8:30 am to 6 pm, excluding Holidays. After hours, please leave a message and we’ll return your call the next business day. Alternatively, you can email us for a faster response after hours/weekends .