Our team is composed of multidisciplinary researchers, community advocates, breast cancer survivors, and hair stylists. We are committed to research and legislative efforts geared towards eliminating harmful exposures to chemicals in hair and other personal care products. We believe in improving health outcomes for our communities. 

Principal Investigators 

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Dede K. Teteh, Dr.P.H. 

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Dede K. Teteh, Dr.P.H. is a certified public health professional with a wide breadth of experience across academia, research, policy development, and strategic communications. She brings a deep knowledge of the public health sector—spanning both individual and community health—as well as a teaching and research-based background. Through her work in community advocacy and prevention, as well as several roles at the Centers for Disease Control and Prevention, she has cultivated an interest in sustainable public health infrastructure and building healthier communities, particularly in underserved populations. 

With both a Master of Public Health in Health Education & Promotion (Morehouse School of Medicine, 2011), Doctor of Public Health in Health Education (Loma Linda University, 2017), and two adjunct professorship roles, she has first-hand experience in community and population-based research along with exceptional research communication skills. 

Dr. Teteh is currently a postdoctoral fellow in the Division of Health Equities, Department of Population Sciences at City of Hope Comprehensive Cancer. Her areas of study include endocrine-disrupting chemical exposures and breast cancer risk, cervical cancer prevention with particular focus on Black women; cultural beliefs and practices, religion/spirituality and healthcare utilization. As a social epidemiologist, she uses community-based participatory approaches to address health disparities in the most vulnerable populations.

Dr. Teteh has been a recipient of numerous honors and awards, including selection as a Bill & Melinda Gates scholar, a National Cancer Institute-Center to Reduce Cancer Health Disparities, Scholar-in-training awardee, and the recipient of the Glen Blix award for excellence in preventive care. She also serves on the board of directors for the American Cancer Society (ACS), and is a legislative ambassador for the ACS’s Cancer Action Network. 

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Lindsey S. Treviño, Ph.D*. 

Lindsey S. Treviño, Ph.D*. is an assistant professor in the Division of Health Equities and Department of Population Sciences. Dr. Treviño graduated magna cum laude from St. Mary’s University in San Antonio and received her doctorate in reproductive physiology from Cornell University in Ithaca, New York. Her dissertation research focused on the role of steroid hormone receptor signaling in the development and/or progression of ovarian cancer in the hen (the only spontaneous animal model of the disease) and was supported by an F31 Predoctoral Fellowship from the National Institute of General Medical Sciences (NIGMS) of the National Institutes of Health.

Dr. Treviño continued her postgraduate training at Baylor College of Medicine in Houston, where she investigated the regulation of progesterone receptor activity by cell signaling pathways in breast cancer cells, with support from an F32 Postdoctoral Fellowship from NIGMS. She received additional postdoctoral training at the Institute of Biosciences and Technology of Texas A&M University, where she examined the molecular basis of how developmental exposure to the endocrine disruptor bisphenol A (BPA) reprograms the liver epigenome to alter liver metabolism in adulthood in a rat model. She continued this line of research as an instructor at Baylor College of Medicine before joining City of Hope.
Dr. Treviño has been the recipient of numerous honors and awards, including selection as a Future Leaders Advancing Research in Endocrinology fellow, a Keystone Symposia fellow, a National Institutes of Health future research leader, and as a recipient of the Young Investigator Award sponsored by the Women in Endocrinology. She previously served on the Committee on Diversity and Inclusion and the Governance Task Force of the Endocrine Society. She currently serves on the Research Affairs Core Committee and was recently appointed to the Board of Directors of the Endocrine Society. 

Dr. Treviño’s research is focused on understanding the molecular basis by which exposure to endocrine disrupting chemicals disrupts the epigenetic machinery to promote the development of metabolic diseases with known disparities such as cancer, obesity and diabetes. Understanding the molecular mechanisms underlying epigenetic reprogramming may provide potential prevention strategies (for outreach and policy changes) and/or therapeutic targets for precision medicine approaches in high-risk populations. 
*Biography adopted from City of Hope website.

Postdoctoral Fellow

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Jazma L. Tapia 

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Jazma Tapia received her Bachelor of Science (BS) in Microbiology from California State University, Los Angeles (CSULA) in 2015. She began her undergraduate research after receiving the Minority Biomedical Research Support Program-Research Initiative for Scientific Enhancement (MBRS-RISE) Fellowship, as well as the Louis Stokes Alliance Minority Program (LSAMP) Fellowship. Under the mentorship of Dr. Edith Porter. Her undergraduate research studies focused on Assessing lipid-derived innate immune factors in Amniotic Fluid and Vernix Caseosa protecting against intrauterine infections. Her CSULA research was honored with the Doris A. Howell Foundation for Women’s Health Research and CSUPERB Research Scholars Award.


Currently, Jazma is a graduate student in the Ph.D. program at City of Hope, Irell and Manella Graduate School of Biological Sciences, where she studies Cancer Metabolism. Jazma is co-mentored by Drs. David Ann in the Department of Diabetes Complications and Metabolism, and Victoria Seewaldt in the Department of Population Sciences. Her thesis includes metabolic studies, where she is investigating the role downstream effectors of Mammalian Target of Rapamycin (mTOR) play in Triple Negative Breast Cancer Metabolism. Not only is Jazma a Ph.D. Candidate preparing to defend soon, but in the past, she has also served on many graduate committees as well as President of the Graduate Student Organization, and co-Chair of City of Hope's Diversity Research Group (DRG), Connecting People of African Descent (CPAD) for Hope. Her previous role as co-Chair of this DRG, allowed her to focus on her passion for Health Equities and Community Engagement by developing events to bring awareness, intervention, and prevention of diseases that affect the black community

Community Advisory Board (CAB)

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Tonya Fairley 

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Tonya Fairley is a Certified Trichologist, Cosmetologist, and Naturopathic Wellness Coach, a Pasadena, CA native and owner of the TSFairley Hair Restoration Center & Training Academy, Strandz on Grand, Strandz Hair Studio and former Educator for L’Oréal Professional. A graduate of USTI and AMCA and a member of the American Hair Loss Council my focus is identifying hair loss behind the chair, scalp diseases, and product knowledge.

After leaving L’Oréal professional I embarked on a journey to help men and women with their hair loss issues.  My goal is to help them sustain what they have and lead them to restore what they have loss. Through both conventional and natural systems, I have been able to give these individuals the confidence needed to move forward in their hair loss journey.  By getting to the root of the issue and starting within the results have been amazing.

My ultimate desire after servicing clients and stylist for 20yrs is to reach as many as possible to teach them how to Identify hair loss.  I want to equip clients, stylist and salons with the basic tools needed to be a 1st responder to hair loss.  Through this collaboration I work with you to slow down this epidemic and restore your confidence. 

As a Certified Trichologist It would be an honor to help you on your journey.


 Tiah Tomlin-Harris, MS

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Tiah Tomlin-Harris, an overcomer of Triple Negative Breast Can't-cer, as she calls it, has dedicated herself to being a community change agent and advocate, with a focus on health disparities, black women's health and healthy lifestyle education. As a result of her advocacy work, she has received recognition and awards, to include President Bush’s – Point of Lights Award. 

After her diagnosis with breast cancer at a young age, Tiah believed that no one should walk this cancer journey alone and founded the My Breast Years Ahead sisterhood and co-founded My Style Matters, a 501c grassroots nonprofit organization dedicated to educating and supporting underserved families impacted by cancer.  

Tiah is a Cancer Coach, a Breast Health Educator and a Project Lead graduate with the National Breast Cancer Coalition (NBCC). She has advocated for survivors on Capitol Hill;  served as a board member and advisory board member for several organizations and pharmaceutical companies; published a research paper on Clinical Trials in Metastatic Breast Cancer; has spoken on numerous panels to include American Society for Clinical Oncology (ASCO), American Association for Cancer Research (AACR) and the Congressional Briefing with Breast Cancer Prevention Partners (BCPP). Through her life's work, Tiah is moving people from Awareness to Action.

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D. Bing Turner, MPH 

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D. Bing Turner was born and raised in Compton, California and graduated from the prestigious King Drew Medical Magnet High School. While at King- Drew, Bing discovered his love of institution building community health, and education. While in high school, he served as the inaugural student advisor for the Saturday Science Academy at Charles R. Drew University of Medicine and Science, which is currently still active today.  He would later graduate from Morehouse College with a degree in Education. Upon graduation, Bing  taught a number of years in South Los Angeles, while also, along with his brother Donavan Turner,  founded the Heritage Education Group (HEG) in 2001.   

Bing is a community grounded public health professional, who courageously seeks opportunities to create systems, models, and programs that can provide access for those who have been disengaged or whom have been misrepresented.  Bing views public health as a dynamic discipline and active concept that can be used to empower communities and to create change for a healthier perspective and healthier local environment.  His public health interest includes food access and security, Community Based Participatory Research, health disparity research, and breast cancer research. 

Bing has held several prestigious professional positions.  Previously, Bing has served as the Assistant Director of Education for Worker Education Resource Center for Los Angeles County Department of Health Services, Country Director for USAID / YCARE Program in Lagos, Nigeria and as a Senior Research Analyst, for Loma Linda University, Behavioral Health Institute and is currently.  In 2015, Bing was selected as a Randal Lewis Healthy Policy Fellow and developed health policy and programs for the City of Claremont, CA. He has earned a Master’s in Public Health from the Claremont Graduate School of Community and Global Health. 

Bing is currently working on food insecurity in Webster Parish, just outside  Shreveport, Louisiana.  He is currently Co-Principal, at Heritage Farmers Markets and the co-founder of the non-profit, Heritage Wellness Collective.  Both mission driven organizations has the primary focus in bridging the gap of food insecurity and healthy food access.  Their flagship store, Bernice Community Market, will open Summer 2021, amongst racial unrest, climate instability, and a global pandemic.  


Maggie Hawkins, MPH, CHES 

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Maggie Hawkins, MPH, CHES Maggie Hawkins is a Lecturer in Public Health at the California State University campuses at Fullerton and Los Angeles. She is the past director of the Randall Lewis Health Policy Fellowship of Partners for Better Health, an eight-month field experience for graduate students working within Healthy Communities initiatives throughout Southern California. Maggie has over 35 years of experience as an advocate, educator, organizer and trainer with various human rights, health and educational organizations including Planned Parenthood Pacific Southwest; the Lesbian, Gay, Bisexual, Transgender (LGBT) Resource Center at the University of California, Riverside; and the Partnership for Health Program at University of Southern California. She was Executive Director of Rainbow Pride Youth Alliance (RPYA) from 2007-10. Maggie was also a founding staff member of the School of Community & Global Health at Claremont Graduate University (CGU), where she was the Program Manager for the Master of Public Health Program from 2008- 2014. She is currently a doctoral student in Public Health at CGU. Maggie has served on the board of directors for the Center for Community Action and Environmental Justice (CCAEJ), Rainbow Pride Youth Alliance and TruEvolution. She is currently an Electoral Committee member for Planned Parenthood Orange & San Bernardino Counties. Maggie and her spouse of 25 years, Juliann Anderson, live in Riverside with their dog McAllister and cats Harry, Rufus and Roscoe.