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Traumatic Brain Injury in Criminal Justice

TBI in Criminal Justice Team Members

Judy Dettmer


Judy Dettmer is the Director of Mindsource, formerly the Colorado Brain Injury Program, at the Department of Human Services. Mindsource is the federal grantee and Judy oversees all of the program activities. She is a national leader in TBI research, advocacy, service and education.

Kimberly Gorgens, Ph.D., ABPP


Dr. Kim Gorgens is the Principal Investigator of the TBI project. She is a Clinical Professor in GSPP and manages a portfolio of other projects that include Concussion Biomarker research, Financial Decision Making in Older Adults and Antioxidant Therapies for Moderate and Severe TBI’s.

Laura Meyer, Ph.D.


Laura Meyer, Ph.D., is a clinical associate professor at the University of Denver’s Graduate School of Professional Psychology. She teaches courses in introductory and advanced statistics and research methods. Since 2014, she has been the program evaluator on the ACL Grant. She supports the grant team by measuring progress toward the grant’s stated objectives; this is done via surveying stakeholders, tracking number of positive neuropsychological screens by quarter and site, developing measures, and support student clinicians and faculty researchers.

Honorable Brian N. Bowen


Judge Bowen was appointed to the County Court bench for Adams County in January, 2011. He is a criminal court trial judge and is the Presiding Judge of the Adams County Court for Veterans.

Judge Bowen is a native of Colorado and graduate of the University of Northern Colorado and Southwestern University College of Law in Los Angeles, CA.

Prior to his appointment as a County Court Judge, he served as a Magistrate for the 17 th Judicial District for seven years handling domestic, protection orders, IV-D, juvenile, traffic and small claims matters.

Judge Bowen was in private practice for 17 years with a general civil practice including domestic,juvenile and mental health cases, as well as serving as a Municipal Court Prosecutor and then a Municipal Court Judge in several metro cities. He also served as a part-time Magistrate in Adams and Weld Counties.

He currently is a member of NADCP (National Association of Drug Court Professionals) and Serves as Co-Chair on the Adams County Criminal Justice Coordinating Sub-Committee; Is an instructor each year at the New Judge Orientation. Is a past Board Member of the CASA (Court Appointed Special Advocates) Program. He is also a criminal justice instructor at AIMS Community College in Greeley, Colorado. And frequently is a presenter regarding Veteran Courts.

Lisa A. Brenner, Ph.D.


Lisa A. Brenner, Ph.D. is a Board Certified Rehabilitation Psychologist, a Professor of Psychiatry, Neurology, and Physical Medicine and Rehabilitation (PM&R) at the University of Colorado, Anschutz School of Medicine, and the Director of the Department of Veterans Affairs Rocky Mountain Mental Illness Research, Education, and Clinical Center (MIRECC; She is the Research Director for the Department of PM&R, and the Marcus Institute for Brain Health. Dr. Brenner is the Past President of Division 22 (Rehabilitation Psychology) of the American Psychological Association (APA) and an APA Fellow. She also serves as an Associate Editor of the Journal of Head Trauma Rehabilitation. Her primary area of research interest is traumatic brain injury, co-morbid psychiatric disorders, and negative psychiatric outcomes including suicide. Dr. Brenner has numerous peer-reviewed publications, participates on national advisory boards, and is currently co-authoring a book regarding neurodisability and suicide.

Ronen Friedman, MD, MBA


Dr. Ronen Friedman serves as a Research Mentor for the University of Denver Graduate School of Professional Psychology. He has extensive experience in both clinical and basic science research. He is particularly interested in Traumatic Brain Injury research examining clinical and social outcomes as well as designing and building multidisciplinary teams and systems to provide care for TBI patients. He earned a BS in Biology from Emory University. He went on to earn Summa Cum Laude honors for his MD from his medical school, American University of Antigua, as well as a MBA from the University of Louisville.

Jaime Horsfall, MA, CBIS


Jaime Horsfall is the Corrections Program Manager at the Brain Injury Alliance of Colorado. She received her Master’s in International Disaster Psychology from the University of Denver and is a Certified Brain Injury Specialist. Her work on the ACL grant involves management of referrals, connecting criminally justice involved survivors to services, and capacity building for correction professionals.

Heather Hotchkiss, MSW


Heather Hotchkiss, MSW is a Brain Injury Specialist at the Colorado Department of Education (CDE). She serves as an Advisory Team Member for the project and CDE partner representative. She has over 25 years’ experience in Special Education, school mental health, and the provision of services to children and youth with brain injury.

Russha Knauer


Russha Knauer is a probation analyst with the Division of Probation Services in the State Court Administrator’s Office. Russha’s role on the project is to assist in providing training opportunities to Judicial Districts, liaison between Judicial Districts and the TBI team, and collaborate with multiple agencies to identify opportunities to create sustainable TBI screening and assessment protocols within criminal justice systems.

Joni Lee, MFA, CBIS


Joni Lee is the In-Person Case Manager, Corrections Specialist at the Brain Injury Alliance of Colorado. She is the primary case manager for corrections-involved clients who are referred to BIAC for services through the ACL grant. Joni helps connect survivors with community-based resources and support as well as collaborating with criminal justice partner sites to best meet and advocate for clients’ needs.

Karen McAvoy


Karen McAvoy's role with the TBI Research Team has been to consult on content and initiatives related to pediatric TBI. As a clinical psychologist and school psychologist, she has worked with students, families, educators and professionals on issues related to brain injury for 28 years. As the director of a pediatric concussion clinic, she has facilitated an inter-disciplinary team approach to students with mild TBI (aka concussion). And as an employee of the Colorado Department of Colorado, she has written policy and done statewide trainings to educators of students with moderate to severe TBI.

Dr. Bradley F. McMillan


Dr. Bradley F. McMillan graduated with his Ph.D. in Clinical Psychology from the University of Rhode Island in 1999. He has been working in private practice in Denver since 2001 and at the Denver County Jail since 2004. At the Denver County Jail, Dr. McMillan has been the clinical lead for the OBH-HRSA traumatic brain injury grant. He has been a part of several research presentations on the intersection of brain injury, mental illness, substance abuse, and criminality. He has collaborated on development and piloting of a group curriculum for justice-involved individuals with moderate and severe TBI.  

Since August of 2017, Dr. McMillan has taken on the duties of Psychologist Supervisor for the Denver Health Behavioral Health Team. He specializes in trauma-related disorders and is a member of APA, APA's Division 29, and EMDRIA. He is trained in EMDR (level II certification), CISM/CISD and many other therapeutic techniques. In addition, Dr. McMillan has a background in community and health psychology and organizational consultation.

Marybeth Plonkey-Lehto, Ph.D.


Research Methodologist and Statistician

Dr. Lehto is a research consultant specializing in study methodology, statistics and psychometrics. Some research projects include traumatic brain injury (TBI), transcranial polychromatic light therapy, serum brain-derived neurotrophic factor (BDNF) levels, biopsychosocial childhood maltreatment, symptom burden, identity balance and emotional distress in cancer survivors, bully/victimization in secondary schools, and teacher and caregiver evaluation instruments. She has worked with the Colorado Department of Corrections, CereScan Brain Imaging, Knoebel Institute for Healthy Aging, McREL and Colorado Medicaid.

Dr. Lehto has also taught graduate courses in Empirical Research Methods, Psychometric Theory, Survey Design, Educational Measurement, and Introductory Statistics as an adjunct lecturer, and has presented several papers for AERA, APA, and NCTM.

Janet Tyler, Ph.D., CBIST


Janet Tyler, Ph.D., CBIST is the Senior Brain Injury Consultant at the Colorado Department of Education, Health and Wellness Unit. She serves as an Advisory Team Member for the project and a CDE partner representative. For over 30 years Dr. Tyler has worked in the field of pediatric brain injury specializing in training educators, medical personnel, and community providers to serve students with traumatic brain injury.





 Student Team Members

Emily Goodwin

EMilyEmily Goodwin is a first-year graduate student in the forensic psychology master's program at the University of Denver. She received her B.S. in Psychology from Oral Roberts University in 2018. She currently works as part of the TBI research team and assists with data entry on the team studying concussions in athletes.

Cory Marchi, MA

CoryCory Marchi is a  second year PsyD student at the University of Denver. He is currently the database manager and senior researcher for the TBI team. He assists other students in data analyses and conducts multiple research projects, and assists in project development and writing.

Spenser Nye


Spenser graduated from Kent State University in 2018. She is now a first year Master's Student in the Forensic Psychology program at the Graduate School of Professional Psychology at the University of Denver. Currently, Spenser is the team coordinator for the TBI Team.

Nimi Oduleye

Janalee Chmel

Nimi graduated from the University of Texas at Austin in 2015. She is now a second-year student in the PsyD program at the Graduate School of Professional Psychology at the University of Denver. Nimi previously worked on the TBI grant doing mainly design and records management but currently, she is a research coordinator for a joint project with the Human Dynamics Lab studying concussion in athletes.

Angelie Severino

Janalee Chmel

Angelie Severino is a first year graduate student at GSPP's Forensic Psychology Program and is currently working as an investigative intern at the Denver Office of the Medical Examiner. Under the TBI project, she works as part of the Data Entry team. 

Molly Standeven, M.S.


Molly Standeven is a 2nd year graduate student in the PsyD program at the University of Denver's Graduate School of Professional Psychology. She is specializing in psychological assessment with interest areas in forensic and correctional psychology. She received her B.S. in Psychology from Northeastern University prior to earning her M.S. in Clinical Psychology from Loyola University Maryland. Molly initially joined the TBI in Criminal Justice team as a student clinician and now assists the research team.

Olivia Wyatt

OliviaOlivia Wyatt is currently in her first year of the Sport & Performance Psychology Master's program at the University of Denver's Graduate School of Professional Psychology. She received her B.S. in Psychology and Economics from Tufts University. Olivia is the Student Clinician Manager for the TBI team and also helps with data entry in the Human Dynamics Lab studying concussions in athletes.

 Site Liaisons

Tuesday Black, M.A.


Tuesday Black, M.A., is the Program Coordinator for Denver Adult Drug Court.  She is a current site liaison for the TBI Research Project. 

Jennifer Joe


Jennifer Joe is a Corrections Program Coordinator with the Boulder County Sheriff’s Office, Jail Division. She serves as the current Site Liaison for the TBI Research Project at the Boulder County Jail. A native of California, she received her bachelor’s degree in Sociology from the University of California, Santa Barbara.

Jennifer Little


Jennifer Little is a Supervisor with Adams County Probation. She is the current Site Liaison for Adams County TBI research project, which includes four populations.

Angelica Rivera, BS, CAC II


Angelica Rivera is a Behavioral Health Specialist for the Women's Recovery in a Secured Environment (RISE) unit at the Denver County Jail. She also works for Mile High Behavioral Healthcare and has a BS in Human Services Management and a CAC II.

 Former Team Members

Katie Arora

KatieKatie Arora is a first-year graduate student at the University of Denver’s Graduate School of Social Work. In 2015 she received her Bachelor of Science in Health Management and Policy from Saint Louis University. She currently assists the TBI team through data processing and records management. She also partners on research projects at the University of Denver’s Institute for Human-Animal Connection.

Elizabeth Ahlers, MA


Elizabeth Ahlers, MA is in the PsyD program at the University of Denver's Graduate School of Professional Psychology. She is currently on pre-doctoral psychology internship at Metro Community Provider Network in Colorado. Her research is exploring whether case management through the Brain Injury Alliance of Colorado impacts recidivism for justice-involved individuals with brain injury. She also developed the data dictionary used for the REDCap database.

Ozy Aloziem


Ozy Aloziem is a Masters student in the Graduate School of Social Work at the University of Denver. She received B.A. degrees in Psychology and Anthropology from Creighton University. Until recently, her background has primarily been in psycho-anthropological research as it pertains to race, gender and sexuality.  Her current research involves examining access to education in vulnerable populations, minority overrepresentation in the Criminal Justice System's TBI population and positive youth development among individuals living in South Africa. Her research team role is to manage and maintain the TBI research pipeline. 

Thomas Eddy, MA


Tom Eddy is a graduate of the forensic psychology master's program. Presently, he works for the Denver Department of Human Services, Child Welfare Division as an intake worker, where he investigates allegations of child abuse and neglect. During his time working on the TBI project, he assisted in data entry. Additionally, he synthesized a snapshot of the dataset to better understand the population at hand. These data were published as a paper in The Colorado Psychologist, presented at the 2016 AP-LS conference, and also presented at the university's local research summit, DURAPS.

Aaron Gillespie

AaronAaron Gillespie is a 3rd year graduate student in the Clinical Psychology (PsyD) program at Denver University's Graduate School of Professional Psychology. He is specializing in Trauma and Recovery. He received his B.S. in Psychology from Sam Houston State University prior to earning his M.A. in Mental Health Counseling from The University of Texas at San Antonio. Aaron is currently a student clinician with the TBI in Criminal Justice team who administers neuropsychological screenings at one of the participating sites.

Amber Graf


Amber Graf is a Montana native currently in her second year of the Forensic Psychology program. She is the database manager for the TBI project and has enjoyed being involved in the many aspects of this project.

Moses Gur, MA


Moses Gur, MA is currently the Policy Associate for the Colorado Behavioral Healthcare Council. He is a graduate from the University of Denver's Masters of Forensic Psychology program where he studied the intersection criminal justice and mental health and worked on various projects including curriculum development for the TBI Project. 


Dani Hamilton, MS


Dani is a student in the PsyD program at the Graduate School of Professional Psychology at the University of Denver. She previously worked on the TBI grant as a senior research assistant and on the Concussion Biomarker project as part of the data entry team. Dani is now working as the student marketing chair for the Knoebel Institute for Healthy Aging at the University of Denver.

Emily Harrington

EmilyEmily Harrington is a third year in the Clinical PsyD program at the University of Denver's Graduate School of Professional Psychology. She is a student clinician and administers neuropsychological screenings at one of the participating sites. Her clinical interests include the providing psychological services to children, adolescents, families, and Spanish-speaking clients, in addition to learning about the human animal connection.

Angela Ho

AngelaAngela Ho is a California native. She is currently an Undergraduate senior at the University of Denver, working towards a B.S. in Biology and a B.A. in International Studies. She works with the TBI Research team through data entry.

Haley Potts


Haley Potts is an Alabama native in her second year of the Forensic Psychology Master's program. Haley works on the data entry team. She is also a student clinician at Denver FIRST's outpatient competency restoration program.

Carolyn Raffel


Carolyn is a Miami, FL native and a second year Forensic Psychology Master's student at the University of Denver. She has served as her cohort's Graduate Student Association of Professional Psychology representative two years running. She is happy to be a part of the Data Entry team on the TBI project.

Katie Tousley

KatieKatie Tousley is currently a graduate student in the University of Denver's School of Social Work program. She works with the TBI Research Team through records management and data entry. 

Mimiko Watanabe, MA


Mimiko Watanabe, MA is in the PsyD program at the Graduate School of Professional Psychology at the University of Denver. She was a research team assistant for the TBI grant, and had record keeping and data entry duties. She has since transitioned to a role as a student clinician, continuing her work with the TBI grant.

Jerrold Yeo

JerroldJerrold Yeo is from the Graduate School of Professional Psychology Psy.D. program and he was previously a researcher and clinician on the TBI project, collaborating with and mentoring other members as well as performing neuropsychological screens at various locations in the justice system. He is currently on his pre-doctoral internship at Tulane University and is in the process of applying for postdoctoral fellowships in Neuropsychology/Rehabilitation Psychology.