Summary
Overview
Work History
Education
Skills
Affiliations
Certification
Languages
Accomplishments
Timeline
Generic
Diana Khaled Hattar

Diana Khaled Hattar

Corona,CA

Summary

Compassionate and results-driven professional with a dual background in psychology and public health, combining clinical insight with population-level strategies to improve health outcomes. Experienced in culturally responsive care, enhanced care management, and evidence-based interventions across diverse communities. Proven ability to assess behavioral and social determinants of health, coordinate multidisciplinary care teams, and implement programs that bridge mental health and public health systems. Dedicated to advancing equity, promoting wellness, and leveraging data to drive meaningful change in underserved populations.

Overview

8
8
years of professional experience
1
1
Certification

Work History

Public Health Intern

San Antonio Regional Hospital
Upland, CA
01.2025 - 05.2025
  • Prepared presentations on various topics related to public health.
  • Supported the coordination of health services at community health events, including health screenings and vaccination clinics.
  • Engaged with community members to gather feedback on public health programs and identify areas for improvement.

an Antonio Regional Hospital – Inland Empire Health Plan (IEHP), April 2025

  • Conducted community presentations to promote awareness of ECM services and health resources for high-need populations.
  • Assisted in organizing public health events and community outreach initiatives to engage Medi-Cal members.
  • Designed educational flyers and outreach materials to communicate ECM program benefits and available supports.
  • Made reminder phone calls to patients and attendees to improve event turnout and follow-up participation.
  • Built relationships with community members to foster trust and encourage engagement with care management services.
  • Supported the ECM team in bridging clinical care with social services to advance whole-person care delivery.

Lead Clinical Therapist

South Bay Center for Counseling
Long Beach, CA
01.2023 - 07.2024
  • Ensured compliance with applicable laws and regulations governing mental health services delivery.
  • Developed and implemented clinical treatment plans for clients with complex mental health issues.
  • Developed therapeutic treatment plans in both medical and community-based settings.
  • Participated in community outreach events related to mental health awareness initiatives.
  • Provided guidance and support for junior staff members on matters related to clinical practice.
  • Talked with family members during period when patients could not self-advocate.
  • Collaborated closely with team members to achieve project objectives and meet deadlines.
  • Collaborated with treatment team to advocate for patients' needs and help shape effective treatment plans.
  • Completed detailed documentation of sessions, patient notes and recommendations.
  • Compiled detailed picture of past trauma and medical histories through well-orchestrated interviews.
  • Responded effectively in crisis situations to deliver skilled support and stabilize situations.
  • Evaluated clients' interests, abilities and needs alongside clinical presentations to develop targeted treatment plans.
  • Trained newly hired psychologists on clinic standards and procedures.
  • Collected information necessary for psychological diagnosis by interviewing, observing and surveying patients.
  • Conducted assessments to identify individual needs and developed appropriate interventions.
  • Directed, coordinated and evaluated activities of staff and interns engaged in patient assessment and treatment.
  • Wrote comprehensive goals and patient treatment plans.
  • Evaluated new technologies or approaches related to clinical practice, making recommendations based on findings.

Women's Water Polo Coach

Fullerton College
Fullerton
06.2019 - 01.2024
  • Supporting the head coach in running the women's water-polo team sports program with games, tournaments, traveling, practices, meetings, injuries, paperwork, etc
  • Scheduling and supervising/participating in practice sessions
  • Motivating athletes to become stronger, more agile and more effective through training habits and proper nutrition
  • Assisting, obtaining, and understanding the mindset of every individual on the team and their mental health, tackling my capability in being the 'psychologists' on the team that all athletes come to when in need.
  • Managed equipment inventory including balls, goals, nets, ensuring they are properly maintained.
  • Adjusted coaching techniques to meet athlete needs and address strengths and weaknesses.
  • Maintained records of team's performance in order to assess strengths and weaknesses.
  • Ensured compliance with safety regulations while playing water polo.
  • Analyzed game footage to identify areas where improvement is needed.
  • Motivated players through positive reinforcement techniques such as verbal praise or rewards.
  • Established clear benchmarks for performance and monitored individual and team progress.

Social Vice President

Loma Linda University
Loma Linda
11.2021 - 12.2023
  • Company Overview: Mission is to serve the student community by creating educational, cultural, philanthropic, social, and spiritual environment as we strive to make man whole
  • All across-functional initiatives across departments to achieve business goals for bottom-line profits
  • With job goals being to resolve issues and recommended actions based on production and compliance reports
  • Identify issues with production, workforce and material sourcing and implemented successful solutions
  • Lead operational team in development, rollout and management of new product lines
  • Lastly, increase workflow by analyzing data and maximizing opportunities for improved productivity across several areas.
  • Mission is to serve the student community by creating educational, cultural, philanthropic, social, and spiritual environment as we strive to make man whole

Playful Beginnings

Playful Beginnings, Inc
Redlands
11.2021 - 05.2023
  • Company Overview: Is an intervention program specializing in providing services to children who are identified as experiencing developmental delays and/or have behavioral needs associated with Autism Spectrum Disorder
  • A playful approach is used to facilitate each child's skill development
  • Individualized services are provided to children in the areas of cognitive, social, language, motor, & self help skill development
  • Collaborated with teaching staff to implement coordinated educational strategies
  • In addition to, providing daily written feedback to parents regarding social and intellectual development of child
  • While investigating different teaching materials and techniques to understand strengths and weaknesses.
  • Is an intervention program specializing in providing services to children who are identified as experiencing developmental delays and/or have behavioral needs associated with Autism Spectrum Disorder

Research Scholar

Loma Linda University
Loma Linda
10.2021 - 05.2023
  • Company Overview: School Of Behavioral Health
  • Provide professional level support related to research and creative activities that contribute to the mission of the unit, under direct supervision by a faculty member
  • Attended weekly lab meetings
  • Documented procedures and results with high degree of accuracy and precision
  • Reviewed program materials and coordinated updates to keep department materials relevant and accurate
  • Generated grant proposals to gain funding for CRM research, winning $ 5,000 for Community Resiliency Model project.
  • School Of Behavioral Health

Therapy Intern

Chapman University
Irvine
10.2020 - 01.2022
  • Provide therapy techniques taught to me for children through the strategic use of toys and games
  • In each therapy session, I evaluate behavioral changes, discussing the client's needs and problems, delivering mental health support for patients suffering from post-partum depression and generalized anxiety disorder
  • Collaborating with other staff to address the unique issues and challenges each client faces.
  • Collaborated with multidisciplinary teams to coordinate care for clients.
  • Managed caseload of multiple sessions weekly using various types of therapies and approaches.
  • Utilized various evidence-based techniques when conducting therapy sessions such as Cognitive Behavioral Therapy or Dialectical Behavioral Therapy.

Psychology Academic Peer Advisor

Chapman University Psychology Department
Orange
07.2020 - 05.2021
  • Serving students with information and knowledge about career choices and going over research courses, research opportunities, volunteer options, and job chances
  • Counseling quantities of students individually to assist in overcoming obstacles, make proper choices, and to stay focused, aiding in adjustment to college expectations.
  • Provided referrals to campus support services as needed.
  • Organized and led group workshops on time management, study strategies, and stress management.
  • Maintained confidentiality of all mentee communications and records.
  • Prepared students for later educational experiences by encouraging to explore learning opportunities and persevere with challenging tasks.
  • Compiled and studied educational and economic information to assist individuals in determining vocational and educational objectives.

UCI Health Researcher

UCI Medical Affiliates Inc.
Orange
05.2020 - 05.2021
  • Company Overview: Working with core values of integrity, honesty, and accountability analyzing in the personalized health known research program 'All Of Us'
  • A groundbreaking national project in Precision Medicine, with the National Institution of Health for this prestigious research program
  • The research aims to find out more about precision medicine, a revolutionary approach towards disease prevention, detection, and treatment, that takes into account of individuals genes to better understand how we can improve and maintain health participants at this time of the COVID-19 (coronavirus pandemic)
  • Taking measurements blood pressure, heart rate, bodyweight, height, waist, and hip measurements are included as well as making phone-calls and taking in complete questionnaires form participants are incorporated in job tasks.
  • Working with core values of integrity, honesty, and accountability analyzing in the personalized health known research program 'All Of Us'
  • Attended industry conferences and meetings to stay abreast of new theories and findings.
  • Collaborated with other professionals to expand experiment scope and utilize more resources.

Student Researcher

Chapman University
Orange
01.2020 - 05.2021
  • As a hand-picked psychology student researcher, I interacted with participants in sensation and perception behavioral studies in diverse ways, including preparing for examinations, obtaining consent and collecting results
  • Fixated on scientific methods to examine questions and test hypotheses with aim of understanding human thought and behavior
  • Conducting studies, experiments, research methods, with responsibility for administrative and operational tasks such as handling correspondence, mailing surveys, typing, summarizing results, determining areas needing improvement, and scoring psychological tests.
  • Performed data entry and ensured the integrity of research databases.
  • Reviewed and summarized academic articles, reports, and other relevant materials.
  • Conducted fieldwork activities, including data collection and observation.
  • Assisted in designing and implementing research studies, including developing hypotheses and methodologies.
  • Carried out experiments under supervision, developing skills and techniques to operate independently.
  • Supplied quality control data for regulatory submissions to support corrective actions.

Undergraduate Psychology Research Assistant

Chapman University
Orange
09.2019 - 05.2021
  • Generated data models on behavioral analysis reporting outlining results
  • With experimentation studies on the behavior of animals and humans
  • Interviewing participants in clinics, hospitals, and other settings
  • With critical analyzing of complex arguments, distinguishes, and evaluations
  • Writing papers, presenting presentations containing the researching assessment, treatment, and practice
  • Building ties with psychology students, educators, practitioners, and consultants
  • While experimenting several skills finding what serves finest through various methods and techniques.
  • Prepared reports summarizing research results for presentation to the research team.
  • Reviewed existing materials related to projects such as questionnaires or interview guides.
  • Assisted in developing survey instruments, focus group protocols, and other data collection tools.

Crisis Line Volunteer

Suicidal Intervention Services
Los Angeles
05.2020 - 12.2020
  • Providing documentation and information, working with family members to develop support networks and multifaceted coping techniques focused on client needs
  • Using evidence-based approaches communicating with clients through the phone having an impact, and the ability to assist them through the situation
  • Including assessing mental, emotional, and behavioral difficulties with the help of the science of psychology
  • Treating complex human problems, promoting change, aiding people to discover their strengths.
  • Adhered strictly to all mandated reporting requirements when appropriate.
  • Gathered information from callers to assess the severity of their situation and determine the best course of action.
  • Performed assessments to determine individual limitations and strengths.
  • Built and maintained strong relationships with patients by successfully resolving issues and responding promptly to phone inquiries.

Athletic Department Assistant

Chapman University
Orange
06.2019 - 12.2020
  • Company Overview: Athletic Department
  • Being present at games and tournaments, setting up, making sure games flow smoothly and facility is up-keeping
  • Along with coordination and communication within coaches, trainers, and the athletic President, Dean, as well as other parties on time-correlation schedule of games
  • While managing complex and detailed projects for executives by ensuring budget adherence and timely delivery.
  • Athletic Department
  • Collaborated with coaches on recruiting efforts to identify top prospects for each sport.
  • Assisted in the coordination of athletic teams, including scheduling and travel arrangements.
  • Oversaw staff correspondence, record tracking and data communications, resulting in improved automation of office operations.
  • Composed, edited and typed complex memos and reports with job-related software.
  • Provided administrative support to the Athletic Director by preparing reports and correspondence.

Hospital Volunteer

Huntington Hospital
Pasadena
04.2018 - 01.2020
  • Volunteering in the ER communicating with the patients, families and nurses and doctors that were on call
  • Running errands around the hospital, answering call lights as trained, giving directions with locations relating to the case, while assisting with transportation of patients and families.
  • Turned and repositioned bedridden patients to prevent bedsores.
  • Assisted in the setup and operation of medical equipment under supervision.
  • Managed information desk, providing directions and hospital information to visitors.
  • Safeguarded patient privacy with strict adherence to HIPAA protocols.
  • Accompanied ambulatory patients around the facility when they need assistance walking or navigating stairs.
  • Facilitated communication between patients, families, and healthcare professionals.
  • Administered medications and educated patients and families on correct at-home administration.
  • Improved quality of patient care by engaging with patients and families.

Swim Instructor

Fullerton College
Fullerton
06.2017 - 08.2019
  • Being lead swim instructor consisted of maintaining order and enforcement of rules during lessons, ensuring young swimmers safety
  • Keeping accurate records of attendance and skills achieved by each student after each session
  • Providing every student with written records of progress and certificates
  • Teaching young children ages one month to ten years old, acquiring various techniques
  • Overcoming, different obstacles like crying, fear, and jumping
  • While dealing with children coming in with different moods, struggles with anxieties like drowning.
  • Recommended appropriate level classes to swimmers based on needs and preferences.
  • Recommended modifications of exercises to help participants avoid injuries.
  • Developed and implemented individualized swim instruction plans for students of varying ages and skill levels.
  • Prepared and maintained accurate records of student attendance, progress, and certifications.
  • Assessed swimming skill levels for each student and placed accordingly depending on results.

Patient Care Coordinator

Newport Academy
Costa Mesa
06.2018 - 02.2019
  • Consulting with female youth patients who struggle with eating disorders, consumption of drugs and alcohol, and patients who have suicidal tendencies
  • Evaluating effectiveness of current strategies with interdisciplinary team and utilized recommendations to make permanent improvements to care standards
  • With completing documentation of care, hospital actions and patient activities
  • Acted as main point of contact for patients, doctors and hospital staff by closely reviewing medical charts and maintaining high levels of communication.
  • Drafted educational brochures and informative newsletters for patients and staff.
  • Assisted in creating a positive environment for patients, family members, and staff by providing excellent customer service.
  • Verified documentation methodically to avoid critical errors impacting care delivery and payments for services.
  • Collaborated with clinical and administrative staff to meet patient needs.
  • Compiled information from patients and caregivers or family members to identify care concerns.
  • Assisted physicians in performing various procedures related to patient care needs.
  • Completed insurance verifications and claim forms for patient intake and processing.
  • Managed patient admission and discharge processes, ensuring smooth transitions.
  • Accessed programs and set up correct payment strategies based on patient means and needs.
  • Collaborated with nursing staff to advocate for individual patient needs and insurance coverage.
  • Facilitated coordination between primary care physician and specialists to ensure continuity of care.
  • Tracked patient outcomes and prepared reports for healthcare providers.
  • Assessed patient's need for additional resources such as home health aides or durable medical equipment suppliers in order to provide appropriate level of care.

Hospital Volunteer

Fountain Valley Regional Hospital
Fountain Valley
01.2017 - 12.2018
  • Being shifted in numerous areas of the hospital working with a variety of acute services and departments
  • Consisted of transporting patients, giving directions/escort visitors, prepare patients in examination rooms to facilitate treatment, answering the phone, clerical duties, and be there for comfort and support if needed
  • Helping patients and family members fill documentation with guidance of procedure the patient will go through
  • Speaking with families after the doctor provides an update and answer any following questions
  • Exposing me to the medical field physically and psychologically.
  • Helped with special events hosted by the hospital, such as health fairs or fundraisers.
  • Assisted in the setup and operation of medical equipment under supervision.
  • Documented information in patient charts and communicated status updates to interdisciplinary care team.
  • Delivered messages and documents between departments.

Education

Ph.D. - Clinical Psychology

California Southern University
Costa Mesa, CA
10-2025

Master of Arts - Public Health Concentration HPEE

Claremont Graduate University
Claremont, CA
05-2025

Master of Arts - Clinical Psychology Concentration MFT & PCC

Pepperdine University
Malibu, CA
04-2024

Bachelor of Arts - Psychology & Sociology

Chapman University
Orange, CA
05-2021

Associate of Arts - Behavior And Self-Development

Fullerton College
Fullerton, CA
05-2019

Skills

  • Clinical assessment
  • Therapeutic intervention
  • Crisis intervention
  • Public health outreach
  • Data analysis
  • Patient advocacy
  • Team collaboration
  • Effective communication
  • Professional development
  • Grant writing
  • Active listening and empathetic communication
  • Psychological assessment and diagnosis
  • Evidence-based therapeutic interventions (eg, CBT, DBT)
  • Crisis intervention and risk assessment
  • Cultural competence and trauma-informed care
  • Treatment planning and case management
  • Confidential documentation and record-keeping
  • Collaboration with interdisciplinary teams
  • Psychoeducation and mental health advocacy
  • Critical thinking and ethical decision-making
  • Health education and promotion
  • Program planning and evaluation
  • Epidemiological methods
  • Community outreach
  • Cultural competence
  • Report writing and communication
  • Policy analysis

Affiliations

Disciplined and high-performing professional athlete with 14 years of competitive water polo experience at elite levels. Demonstrated excellence in leadership, teamwork, strategic thinking, and resilience under pressure. Skilled in goal setting, time management, and peak performance training, with a deep understanding of physical conditioning, mental toughness, and team dynamics. Brings the same drive, focus, and commitment from the pool to professional and collaborative environments beyond athletics.

Certification

Certifications

  • Good Decision Making in Real Time: Practical Public Health Ethics for Local Health Officials
  • Female Emergency Management Institute
  • Suicide Corner

Licenses

  • Marriage and Family Therapist
  • Professional Clinical Counselor

Languages

Arabic
Native/ Bilingual
English
Native/ Bilingual

Accomplishments

  • Member of the Dean's List (6x)
  • Awarded Dean's Scholarship and Chapman University 2-Year Academic Scholarship
  • Nominated 1 All-American and 2 All-American Nominations
  • Nominated for All-SCIAC honors
  • Awarded Outstanding Junior Award and Leadership Co-Captain Award
  • Awarded 4 Coach’s Awards and 1 Athletic Award
  • Received 2 Conference Championships, 2 Regional Championships, and 1 State Championship
  • Awarded 1 Swim Finalist Medal
  • Nominated for 3 Leadership Recognition Awards
  • Elected 7 Captain Awards and 5 Co-Captain Awards
  • Awarded 10 Athletic Awards, 9 Student Athlete of the Month, 3 Student Athlete of the Year, and 3 Lettermen Awards
  • Awarded 2 Finalist Medals and 1 Hornet Award
  • Phi Chi Scholarship Recipient and Fullerton College Honor Society Member
  • Achieved 12 Principle Honor Rolls, 3 District Awards, and 1 Leadership Award
  • Received 2 Community Service Awards
  • Elected Captain and Co-Captain multiple times
  • Awarded George Pepperdine Achievement Scholarship
  • Contributed to 3 Conference Championships and 4 National Championship

Timeline

Public Health Intern

San Antonio Regional Hospital
01.2025 - 05.2025

Lead Clinical Therapist

South Bay Center for Counseling
01.2023 - 07.2024

Social Vice President

Loma Linda University
11.2021 - 12.2023

Playful Beginnings

Playful Beginnings, Inc
11.2021 - 05.2023

Research Scholar

Loma Linda University
10.2021 - 05.2023

Therapy Intern

Chapman University
10.2020 - 01.2022

Psychology Academic Peer Advisor

Chapman University Psychology Department
07.2020 - 05.2021

UCI Health Researcher

UCI Medical Affiliates Inc.
05.2020 - 05.2021

Crisis Line Volunteer

Suicidal Intervention Services
05.2020 - 12.2020

Student Researcher

Chapman University
01.2020 - 05.2021

Undergraduate Psychology Research Assistant

Chapman University
09.2019 - 05.2021

Women's Water Polo Coach

Fullerton College
06.2019 - 01.2024

Athletic Department Assistant

Chapman University
06.2019 - 12.2020

Patient Care Coordinator

Newport Academy
06.2018 - 02.2019

Hospital Volunteer

Huntington Hospital
04.2018 - 01.2020

Swim Instructor

Fullerton College
06.2017 - 08.2019

Hospital Volunteer

Fountain Valley Regional Hospital
01.2017 - 12.2018

Ph.D. - Clinical Psychology

California Southern University

Master of Arts - Public Health Concentration HPEE

Claremont Graduate University

Master of Arts - Clinical Psychology Concentration MFT & PCC

Pepperdine University

Bachelor of Arts - Psychology & Sociology

Chapman University

Associate of Arts - Behavior And Self-Development

Fullerton College
Diana Khaled Hattar