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Mixed Reality and Healthcare Practice: Local Innovations in Human Trafficking Response


Keynote Speakers

Portrait of Crystal Sepulveda

Crystal Sepulveda

Lived Expert

Program Administrator for Discovery Behavioral Health

Crystal Sepulveda is a nationally recognized subject matter expert and survivor leader in the field of human trafficking, with a specialized focus on the intersection of healthcare and exploitation. A native of San Antonio, Texas, she holds a B.A. in Criminology from St. Mary's University and earned her Executive MBA from the University of Texas at San Antonio in 2020.

Crystal currently serves as a Program Administrator for Discovery Behavioral Health, overseeing trauma-informed care for youth with complex mood and anxiety disorders in a residential treatment setting. Her leadership has consistently driven program performance, enhanced multidisciplinary collaboration, and improved outcomes for high-risk populations.

She began her career in juvenile justice with the Bexar County Juvenile Probation Department, where she held several leadership roles and championed innovative restorative justice initiatives for at-risk youth. In 2017, she led the launch of Centro Seguro, Texas' first drop-in center for runaway, homeless, and sex-trafficked youth. Under her direction, the program exceeded its original service goals by over 200%, establishing a model for crisis intervention and survivor-centered care statewide.

Crystal is a trusted consultant and advisor for multiple healthcare institutions and local non-profits including HEAL Trafficking, SAFE Alliance, the University of Texas at Austin School of Nursing, and Texas A&M International University, where she provides specialized training, advocacy and consultation for providers on trauma-informed approaches to identifying and supporting individuals experiencing trafficking. Her insights bridge public health, survivor advocacy, and systems-level change.

She formerly served as Director of the CARES Program with the SAFE Alliance in Austin, continuing her work in leading multidisciplinary, community-based responses to trafficking and exploitation. Crystal is an appointed member of the Texas Human Trafficking Survivor Leadership Council and actively collaborates with statewide and national coalitions focused on prevention, survivor empowerment, and policy reform.

Crystal brings over 15 years of experience in systems navigation, nonprofit leadership, and strategic program development, with a proven record of advancing equity, innovation, and survivor-informed practices in both public and private sectors. Her hobbies include gardening, spending time with her family, and traveling.

Portrait of Ummra Hang

Ummra Hang

Lived Expert

Ummra Hang, MSW is a second-generation Cambodian American educator, subject matter expert, consultant, and advocate dedicated to supporting individuals impacted by sexual and labor exploitation, and systemic injustices. Born and raised in Oakland, California, she holds a Master of Social Welfare from UCLA and a Bachelor's degree in Psychology from San José State University.

Ummra currently serves as a consultant with PACT (Preventing and Addressing Child Trafficking) and is an advisory board member for the California CSEC Action Team. She actively collaborates across multiple sectors throughout California, including with Alameda, Santa Clara, and San Mateo Counties' child welfare departments; Oakland Unified, Monterey, and Santa Cruz school districts; and various community-based organizations.

Her impact extends nationally and internationally. Including her role as a lived experience expert for the Center to Counter Human Trafficking at Texas A&M International University and was appointed to the United States Advisory Council on Human Trafficking.

Grounded in her lived, academic, and professional experience, Ummra centers healing, empowerment, and self-sufficiency throughout her work with communities affected by trauma.

Some awards I've received:

  • California Legislature Assembly Certificate of Recognition, "For your leadership in the anti-human trafficking movement. Your strength, courage, resilience and commitment to a better tomorrow are inspirational" (2025)
  • California State Legislature Certificate of Recognition, For Outstanding Work with the Rising Safe and Sound Program to Keep Youth Safe from Human Trafficking (2023)
  • California Legislature Assembly Certificate of Recognition, For Outstanding Work with the Rising Safe and Sound program to protect youth from human trafficking (2023)

Portrait of Claudia San Miguel

Dr. Claudia San Miguel

Provost and Vice President for Academic Affairs
Professor of Criminal Justice

Researches criminal justice, securing significant grant funding.

Dr. Claudia San Miguel serves as the Provost and Vice President for Academic Affairs at Texas A&M International University (TAMIU), where she plays a pivotal role in shaping the institution's academic vision and fostering student success. As a Professor of Criminal Justice, she brings extensive expertise in areas such as human trafficking, domestic violence, victimology, the death penalty, and homeland security. Her research has significantly contributed to the field, earning her recognition for her scholarly work and dedication to justice-related issues.

Dr. San Miguel's commitment to advancing education and research is evident in her leadership at TAMIU. She has been instrumental in developing innovative curricula, ensuring that students receive hands-on learning experiences that prepare them for careers in criminal justice and beyond. Under her guidance, faculty members have access to extensive research opportunities, fostering a dynamic academic environment. A proud TAMIU alumna, Dr. San Miguel was part of the first cohort of students to take classes on the university's campus when it opened in 1995. She earned both her Bachelor's and Master's Degrees in Criminal Justice from TAMIU before obtaining her Ph.D. in Criminal Justice from Sam Houston State University. Her deep connection to the university and its mission has driven her efforts to enhance academic excellence and accessibility.

Beyond her academic leadership, Dr. San Miguel has secured over $5.7 million in external grant funding to support her research and institutional initiatives. Her work has had a profound impact on criminal justice policies and practices, particularly in areas related to border security, law enforcement, and victim advocacy. She has also co-authored several books and scholarly publications, further solidifying her influence in the field.

Dr. San Miguel's dedication to education, research, and student success continues to shape TAMIU's academic landscape, making her a trailblazer in higher education and criminal justice scholarship

Breakout Speakers

Portrait of Ariadne Gonzalez

Dr. Ariadne Gonzalez

Associate Provost
Associate Professor of Communications

Studies identity, immigration, and labor.

Dr. Ariadne Gonzalez is an Associate Provost and Associate Professor of Communication at Texas A&M International University (TAMIU). She holds a Ph.D. in Organizational Communication from Texas A&M University-College Station, a Master's in Communication from the University of Texas at San Antonio, and a Bachelor of Arts in Communication from TAMIU. Her research explores issues of difference in Latino/a/x, immigrant, and transnational work-life and border life experiences. She has examined the experiences of Latino workers patrolling the Texas-Mexico border, the stigmatization of immigrant labor, and how bilingual nurses engage in job crafting and communicate resilience during the COVID-19 pandemic. Her work also investigates how workers navigate occupational identity and resilience, particularly in professions shaped by migration, bilingualism, and border dynamics.

Her research has been featured in Communication Monographs, Health Communication, Howard Journal of Communication, and Frontiers in Communication, contributing to scholarly discussions on identity, resilience, and workplace dynamics.

Beyond research, Dr. Gonzalez is an experienced educator, teaching courses such as Health Communication, Organizational Communication, Leadership Communication, and Qualitative Research Methods. She has contributed to academic publications and presented her findings at national and international conferences. Her commitment to advancing knowledge on immigrant labor and border studies continues to shape conversations on identity, resilience, and workplace dynamics.

Portrait of Nilda Garcia

Dr. Nilda Garcia

Assistant Professor of Political Science

Examines organized crime and drug trafficking.

Dr. Nilda Garcia is an Assistant Professor of Political Science at Texas A&M International University (TAMIU). She holds a Ph.D. in International Studies from the University of Miami, where she specialized in International Relations Theory and International Political Economy. She also earned an MBA in International Trade and a Bachelor's in Business Administration with a concentration in Marketing from TAMIU. Her academic journey has included international study experiences at the University of New Brunswick and the Superior de Commerce in France.

Dr. Garcia's research focuses on organized crime, drug trafficking, international relations, and security studies. She has extensively examined the role of social media in criminal networks, particularly in the context of Mexican drug cartels. Her book, Mexico's Drug War and Criminal Networks: The Dark Side of Social Media, explores how digital platforms have transformed criminal communication and operations. Additionally, she is the co-author of Drug Policy Revolutions, a newly published work that analyzes shifts in global drug policy.

Beyond her publications, Dr. Garcia has contributed to academic discussions through peer-reviewed articles, book reviews, and media commentary. She has been featured in various outlets, including NBC News and Univision, for her insights on security and organized crime. She has also participated in research collaborations and advisory roles, such as reviewing book proposals on security studies and the U.S. War on Drugs.

At TAMIU, Dr. Garcia teaches courses on American government, international political economy, drug trafficking, and security studies, helping students navigate complex global issues. Her dedication to scholarship and education continues to shape critical conversations on crime, security, and policy reform.

Portrait of Marcus Ynalvez

Dr. Marcus Ynalvez

Interim Dean of the College of Arts & Sciences
Professor of Sociology

Focuses on science, health, and mentoring.

Dr. Marcus Ynalvez is the Interim Dean of the College of Arts and Sciences and Professor of Sociology at Texas A&M International University (TAMIU). His research has been funded by the National Science Foundation, where he has also served on the Committee of Visitors and as a panel reviewer. His scholarly work centers on the sociology of science and advanced quantitative methodologies, with a particular interest in global scientific collaboration and research capacity-building in developing countries.

Dr. Ynalvez has led multiple study and research abroad programs, fostering cross-cultural academic exchange and experiential learning. He actively mentors both graduate and undergraduate students, guiding them through independent research projects and professional development. He has also served on review panels for the National Institutes of Health and has presented his work at international conferences across Asia, Europe, and North America.

A recipient of numerous teaching and research awards, Dr. Ynalvez is committed to advancing interdisciplinary scholarship and promoting inclusive excellence in higher education.

Portrait of Manuel Guillen Jr.

Manuel Guillen Jr.

Program Manager for the Center to Counter Human Trafficking

Research education, leadership, and human development.

Manuel Guillen Jr. currently serves as the Program Manager for the Center to Counter Human Trafficking (CCHT) at Texas A&M International University (TAMIU). In this leadership role, he oversees program administration, strategic planning, grant management, budgeting, research coordination, and partnership development across multi-institutional collaborations. He supervises a multicultural team of research staff, faculty affiliates, and graduate assistants, ensuring the Center's research and community impact align with national and statelevel anti-trafficking efforts.

Mr. Guillen's professional expertise spans higher education leadership, grant administration, behavioral health crisis intervention, and STEM education. He previously held multiple leadership roles in higher education, including Assistant Director of the Building SCHOLARS Grant and Interim Project Director for the STEM Grant at Laredo College. During his tenure, he played a critical role in transforming developmental education through the implementation of Supplemental Instruction (SI) models for both Mathematics and English. Additionally, he was instrumental in supporting the Manuel Blanco Writing Center, strengthening academic support services across campus. His efforts in undergraduate research capacity-building earned him the STEM Community Award, recognizing his contribution to the development of the STEM Learning Lab and federally funded grant initiatives.

Prior to his work in higher education, Mr. Guillen served at the Border Region Behavioral Health Center as a Mobile Crisis Outreach Team (MCOT) Counselor. In this role, he provided crisis screenings, intervention strategies, safety planning, relapse prevention, and coordinated hospitalizations, collaborating closely with families, hospitals, and law enforcement to ensure timely care for individuals experiencing mental health crises. His experience in behavioral health further deepens his expertise in supporting vulnerable populations and addressing complex community needs.

His early career experience also includes work in K-12 education, where he taught Chemistry, Pre-AP Chemistry, Advanced Physics, and Integrated Physics & Chemistry. Additionally, he served as a Family Coordinator, directly supporting special education students and families through translation services, ARD meeting facilitation, and mental health advocacy. His contributions to social-emotional learning were recognized through a Social Emotional Learning (SEL) Award during his tenure in secondary education.

Currently a doctoral candidate in P-20 Educational Leadership, Mr. Guillen's research interests include STEM education pathways, special education leadership, human development, grant program effectiveness, and the intersection of higher education and workforce development. His dissertation research employs quantitative approaches to assess the impact of STEM grant programs on student transfer and success outcomes, utilizing data from institutional, state, and federal education systems.

Mr. Guillen holds a Master of Science in Psychology, with extensive coursework in research methodology, cognitive psychology, and quantitative analysis, and a Bachelor of Science in Psychology with minors in Chemistry and English. As part of his undergraduate journey, he was a member of the university's Honors Program, founder and first president of the TACHE (Texas Association of Chicanos in Higher Education) student chapter at Laredo College and completed a thesis examining leadership inadequacies in the K-12 system for special education. His multidisciplinary training informs his holistic approach to research, leadership, and student success initiatives.

Through his work at the intersection of research, education, behavioral health, and public service, Mr. Guillen remains committed to advancing equitable access to education, supporting vulnerable populations, and developing innovative solutions for complex societal challenges.

Portrait of Crystal Vasquez

Crystal Vasquez

CCHT Graduate Research Assistant

Studying cognition, neuroscience, and inclusive education.

Crystal Vasquez is a dedicated researcher and graduate student pursuing a Master of Science in Psychology at Texas A&M International University. With a strong background in psychology and research methodology, she has developed expertise in psycholinguistics and bilingual thinking processes through her work in the Brain and Cognition laboratory.

Crystal's commitment to academic excellence is reflected in her Bachelor of Psychology degree from Texas A&M International University, where she actively sought opportunities to deepen her understanding of research methodology, data collection, and qualitative measurement tools. Her achievements include earning a spot on the Dean's List in Spring 2021 and the Honor Roll in Fall 2021.

Currently serving as a Graduate Research Assistant at the Center to Counter Human Trafficking (CCHT) at TAMIU, Crystal focuses on identifying gaps in human trafficking research, coding qualitative interviews, and assisting in integrating research findings into actionable insights. She works closely with TAMIU professors in aspects of healthcare and education, analyzing their input to refine training programs and improve methodologies. Previously, she held a Supplemental Instructor position at ARC TAMIU, where she tutored psychology students and assisted in course material review.

During the summer, she transitioned to a role supporting the Summer Research Bootcamp, mentoring students in research methodologies and encouraging interest in graduate-level studies. Additionally, she presented a qualitative research analysis on trauma-informed care for justice-involved individuals with severe mental illness during the Summer Research Bootcamp. Crystal's research interests span executive function in learning, human rights advocacy for minorities, and neurodiversity. She continues to contribute to academic discourse through research, analysis, and mentorship, aspiring to create meaningful change through psychology and advocacy.

Crystal's research interests span executive function in learning, human rights advocacy for minorities, and neurodiversity. She continues to contribute to academic discourse through research, analysis, and mentorship, aspiring to create meaningful change through psychology and advocacy.

Portrait of Karla Garcia

Karla Garcia

CCHT Graduate Research Assistant

Karla Garcia is a graduate student and researcher specializing in evolutionary psychology. She earned a Bachelor of Arts and Sciences in Psychology with a minor in Criminal Justice and is currently pursuing a Master of Science in Psychology from Texas A&M International University. Her research examines evolutionary psychology, social media consumption, body satisfaction, and anxiety levels following exposure to curated compared to body-positive images.

Karla began her research career as an undergraduate research assistant in the Evolutionary Visual Lab (EVIL) under the supervision of Dr. Ray Garza. She presented findings on the “visual perception of women’s breast morphology” in two conferences. At the 2023 Lamar Bruni Vergara Academic Conference, her team placed first in the undergraduate Social and Behavioral Sciences category. Participation in the Southwestern Psychological Association (SWPA) conference further developed her presentation and networking abilities. Garcia has co-authored three publications with Dr. Garza and colleagues: “Female Choice: Handicap Hypothesis,” “Disgust,” and “Ecological harshness cues modulate food preferences and visual attention: An eye-tracking study.” Garcia’s laboratory experience has strengthened her expertise in psychological research methodology, including eye-tracking calibration, statistical analysis, and data interpretation. She is proficient in software such as Tobii Pro, Qualtrics, NVIVO, Microsoft Excel, and Jamovi, skills developed through both her laboratory work.

Garcia currently serves as a Graduate Writing Assistant for the Center to Counter Human Trafficking (CCHT) at Texas A&M International University. In this role, she contributes to editing and writing supplemental materials for articles and develops informational content for conferences aimed at healthcare professionals and educators to prevent human trafficking.

Portrait of Sarah Martinez

Sarah Martinez

CCHT Graduate Research Assistant

Focused on executive function in learning and human rights advocacy.

Sarah Martinez is a dedicated researcher and graduate student specializing in psychology and neuroscience. She holds a Bachelor of Arts & Sciences in Neuroscience with a concentration in Behavioral and Cognition from Texas A&M University and is currently pursuing a Master of Science in Psychology at Texas A&M International University. Her research focuses on bilingual cognition, developmental neuroscience, and creative interventions in education.

Sarah has extensive experience as a research assistant in multiple labs, including the Brain, Learning, Education, and Neural Development Lab, where she works on cognitive and language processing studies using EEG technology. She has contributed to IRB application development and is involved in groundbreaking research on the role of language in mathematical problem-solving.

Her work in the Existential Psychology Lab and School Psychology Lab has further strengthened her expertise in qualitative and quantitative research methods.

In addition to her academic contributions, Sarah serves as a Graduate Research Assistant at Texas A&M International University's Center to Counter Human Trafficking, where she aids in developing training programs for healthcare providers and educators to support victims of human trafficking. She also holds the prestigious Lamar Bruni Vergara Graduate Fellowship, collaborating with the Brain Cog Lab to study bilingual language comprehension and figurative language processing.

Sarah's expertise spans a range of psychological and research methodologies, including EEG setup, statistical analysis, and intervention development.

She is highly skilled in software such as Qualtrics, NVivo, and PsychoPy. With a strong commitment to research and advocacy, she hopes to contribute to more inclusive and engaging learning environments.

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TAMIU Center to Counter Human Trafficking
Sue and Radcliffe Killam Library (KLM) 418C
956.326.2477
ccht@tamiu.edu

If you or someone you know may need help to escape a trafficking situation, please contact the National Human Trafficking Hotline by calling 888.373.7888, texting 233733, or reporting online at https://humantraffickinghotline.org/en/report-trafficking. If someone is in immediate danger, please call 911.