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Sheana Bull, PhD MPH Director

Dr. Sheana Bull is a Professor in the Community and Behavioral Health Department and the Director for the mHealth Impact Lab, both of which are in the Colorado School of Public Health. She has been investigating the efficacy of using mobile and digital solutions for health promotion and disease self-management since 1998, and has led research projects evaluating mHealth solutions using the Internet, social media, text messaging and most recently apps


Dr. Susan Moore is an Assistant Professor, School of Medicine and Colorado School of Public Health. She holds roles as the Associate Director of Research Operations, Denver Health and Director within ACCORDS mHealth Research and Informatics Core. Her ongoing research interests include consumer health informatics, clinical decision support, and the use of mobile health technology to deliver patient-centered care. She uses mixed methods where appropriate in both health systems research and program evaluation, and incorporates implementation science strategies for studies that take place in the health care setting. Prior to her research career, Dr. Moore worked in information technology for ten years, focusing primarily on implementation and support for software systems and technical education, training, and evaluation.


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Jennifer Portz, PhD, MSW Assistant Professor

Dr. Portz is an Assistant Professor at Colorado State University and the Colorado School of Public Health. She received her MSW from Boston College and her doctorate from the University of Denver. Her research focuses on the development of patient-centered digital health that can be used by older adults with advanced illness, their caregivers, and providers to effectively improve health decision-making, self-management and health outcomes. She recently received a Paul B. Beeson Emerging Leaders Career Development Award in Aging (K76) from the National Institute on Aging.



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Joy Waughtal, MPH Professional Research Assistant

Joy Waughtal is a Professional Research Assistant and Project Manager for the mHealth Impact Lab. Joy received her Master of Public Health degree from the Colorado School of Public in 2017 with a concentration in community and behavioral health. Prior to joining the mHealth Impact team Joy worked in the Denver non-profit sector, working with adults experiencing homelessness and people who inject drugs. Joy’s research focus highlights interventions and technologies targeting under-served communities and the social determinants of health.



Charlene B Ortiz   Senior Professional Research Assistant

Charlene Barrientos Ortiz is a Program Manager and Community Research Liaison at the Colorado School of Public Health. She is a Colorado native with a background in nonprofit, social justice activism, and public health. She is well known for her work in eliminating health disparities, improving health equity, community based participatory research and community engagement.


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Kelsey Ford, MPH  Senior Professional Research Assistant

Kelsey Ford is a Senior Professional Research Assistant within the University of Colorado. Beyond her evaluation efforts in the Lab, she works at the Department of Family Medicine on projects handling remote patient monitoring, socio-technical design, and community engagement. Kelsey received her BS degree in Clinical Nutrition at Miami University. She pursued her graduate studies at the Colorado School of Public Health, achieving a MPH in Community and Behavioral Health. Kelsey received a graduate certificate in Human Centered Design and Innovation from Inworks at the University of Colorado-Denver. She is currently pursuing her doctoral (DrPH) degree focusing on digital technologies in health promotion.


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Xuhong Zhang, PhD Post-Doctoral Fellow

Xuhong’s research involves the development and application of mathematical, computational, and statistical techniques to theoretical and methodological problems within the areas of biological statistic analysis, quantitative methodology, and computer vision. Currently, her work focuses on: recognition and examination of cellular subpopulations; automatic end-to-end classification of different tumor cells; modeling the effects of brain networks on phenotypic outcomes based on novel regression calibration based approach.


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Catia Chávez, MPH Senior Professional Research Assistant

Catia Chávez, MPH, earned her Master in Public Health with a focus in Community and Behavioral Health from the Colorado School of Public Health, CSPH, at the University of Colorado Denver. She has spent more than 15 years working with the Latino community in Colorado in education and public health programs. Catia has experience doing Community Based Participatory Research, Qualitative Research and Evaluation and Management of Programs. Currently, she works at UCD – ACCORDS as a Project Manager and at the mHealth Impact lab she is doing Qualitative Research. Catia is from Perú and in her spare time enjoys cooking Peruvian food, gardening, snowshoeing, road trips and traveling internationally.


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Isaac Alawobu, MBA Business Professional

Isaac Alawobu is the Business Professional for the mhealth Impact Lab. He has extensive experience in Business, Operations and Project management in the Education, Construction, Retail and IT industries. He is also an entrepreneur, has held various leadership positions in social organizations, and an advocate for social impact.

He has a Master of Business Administration (MBA) degree from the University of Connecticut, Advanced Business Certificate in Project Management, a Certificate in Business Startups and Management and a member of the Beta Gamma Sigma Society.



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