Summary
Overview
Work History
Education
Skills
Certification
Timeline
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Marrissa Petersen

Omaha,NE

Summary

Knowledgeable Drug and Alcohol Counselor with solid background in providing therapeutic support to diverse clients. Recognized for effectively addressing client needs and fostering positive outcomes through tailored interventions. Demonstrated proficiency in active listening and empathetic communication.

Overview

9
9
years of professional experience
1
1
Certification

Work History

Therapist

Ellie Mental Health
05.2025 - Current
  • Built strong rapport with clients, fostering trust and open communication for effective therapy sessions.
  • Maintained detailed case notes and documentation, ensuring effective tracking of progress and continuity of care across providers.
  • Established clear boundaries with clients, maintaining ethical practice standards while preserving the therapeutic relationship.
  • Provided individual and group therapy sessions to patients suffering from substance use issues.

Administrative Assistant

Complete Family Treatment Services
10.2024 - 03.2025
  • Answered multi-line phone system, routing calls, delivering messages to staff and greeting visitors.
  • Maintained confidentiality of sensitive information by adhering to strict privacy policies and implementing secure filing systems.
  • Delivered excellent customer service through prompt responses to client inquiries, addressing concerns effectively, and building strong relationships.
  • Ensured accurate record-keeping with diligent data entry and database management for vital company information.

Therapist Intern

Siena Francis House
03.2024 - 08.2024
  • Contributed to a positive therapeutic environment through empathetic listening and non-judgmental support for clients'' emotional experiences.
  • Participated in ongoing professional development opportunities to stay current on best practices within the field of mental health counseling.
  • Maintained confidentiality and adhered to ethical guidelines, upholding the professional standards of the mental health field.
  • Built trust and rapport with compassionate approach.

Assistant Manager

Taco Bell
09.2016 - 04.2023
  • Supervised day-to-day operations to meet performance, quality and service expectations.
  • Maintained a clean, safe, and organized store environment to enhance the customer experience.
  • Developed strong working relationships with staff, fostering a positive work environment.
  • Monitored cash intake and deposit records, increasing accuracy, and reducing discrepancies.
  • Mentored junior staff members in their professional development by offering guidance/support in their assigned roles.

Education

Bachelor of Science - Behaviors of Science

Bellevue University
Bellevue, NE
01-2026

Associate of Applied Science - Drug And Alcohol Counseling

Metropolitan Community College
Omaha, NE
05-2024

Skills

  • Treatment Planning
  • Building rapport
  • Crisis intervention
  • One-on-one sessions
  • CBT techniques
  • Behavior modification
  • Motivational interviewing
  • Group therapy facilitation

Certification

  • Certified in Adult substance use evaluations
  • Certified in Adolescent substance use evaluations

Timeline

Therapist

Ellie Mental Health
05.2025 - Current

Administrative Assistant

Complete Family Treatment Services
10.2024 - 03.2025

Therapist Intern

Siena Francis House
03.2024 - 08.2024

Assistant Manager

Taco Bell
09.2016 - 04.2023

Bachelor of Science - Behaviors of Science

Bellevue University

Associate of Applied Science - Drug And Alcohol Counseling

Metropolitan Community College