Data Scientist

Technical Skills

• Python
• R
• SQL
• SAS
• Power Bi
• Tableau

Education

• Ph.D., University of Michigan, Ann Arbor (2019)
• B.A., Magna Cum Laude, University of Colorado, Boulder (2013)

Work Experience

Kapili Services, LLC / CDC National Neurological Conditions Surveillance System (NNCSS) (2022 - Present)
Contractor Health Scientist

• Served as the lead statistical programmer and primary point of contact for the CDC NNCSS leadership and Kapili Services.
• Collaborated with cross-functional teams to identify key areas for improvement in data analytics methodologies and practices.
• Led bi-weekly client meetings, facilitating discussions and delivering client-facing deliverables including written summaries, data visualizations, and oral presentations to guide key NNCSS decision points.
• Automated statistical reporting processes and develop dashboards for client meetings using R, Tableau, Power BI, and SQL, enhancing accessibility and insight generation.
• Implemented best practices and quality assurance measures to enhance the efficiency and effectiveness of data analysis workflows.
• Applied natural language processing (NLP) techniques to analyze and extract valuable insights from medical text, contributing to enhanced data-driven decision-making in healthcare settings.
• Provided comprehensive training and statistical consultation on statistical methods, data visualization, and results interpretation for ongoing projects.

CommonSpirit Health (2023 - Present)
Part-time Healthcare Data Analyst

• Spearheaded the development of robust data infrastructure, workflow design, statistical analysis, and outcome assessment for a financial incentive program aimed at food insecurity reduction in Colorado.
• Collaborated closely with cross-functional teams to generate analytics and data visualizations, facilitating strategic decision-making and resource optimization, resulting in approximately $100k reduction in project costs.
• Executed complex queries within Epic, Snowflake, and Azure environments using R, SQL, and Python.
• Conducted statistical analyses on healthcare and observational studies using advanced econometric models, simulation techniques, and prediction modeling to support evidence-based decision-making.

Epidemiologic Research & Methods, LLC (2022 - 2023)
Consultant

• Performed systematic literature reviews, evidence synthesis, and report generation to assist with burden-of-illness studies on multiple chronic disease conditions.
• Conducted epidemiologic and trend analyses to identify the needs for pharmaceutical and biotechnology clients using SAS and SQL.
• Led the development of key sections of client reports, effectively communicating epidemiologic evidence, treatment effectiveness, and health economics data to stakeholders, contributing to informed decision-making and actionable outcomes.

Summit County Local Public Health Agency (2020 - 2022)
Part-Time Lead Epidemiologist

• Designed, implemented, and optimized a resilient data pipeline to automate report generation and public dashboards, ensuring swift dissemination of crucial information to stakeholders.
• Utilized advanced statistical techniques to analyze and forecast COVID-19 cases, enabling proactive decision-making and resource allocation in response to evolving pandemic dynamics.
• Orchestrated and led a multidisciplinary team of medical professionals, policy decision-makers, and healthcare providers to troubleshoot and provide weekly disease surveillance updates.

Centers for Disease Control and Prevention (2021 - 2022)
Epidemic Intelligence Service Officer

• Engineered automated data pipelines to streamline the generation of internal reports and data dashboards for state and national-level responses.
• Partnered with state and national public health agencies on numerous national outbreak investigations.
• Applied sophisticated statistical methods to investigate chronic disease patterns among diverse demographics over time to inform state and national policy guideline development.
• Generated tailored infographics, research reports, and presentations for various stakeholders and audiences.

U.S. Department of State, Office of the U.S. Global AIDS Coordinator and Health Diplomacy (2020 - 2021)
AAAS Science and Technology Policy Fellow

• Collaborated with U.S. and international stakeholders to assess the effectiveness of HIV/AIDS intervention strategies and identified optimal strategic plans with an allocated budget of approximately 10.8B.
• Designed and implemented global strategies to improve access and treatment outcomes for people living with HIV/AIDS in multiple low- and middle-income countries using real-world data.
• Communicated recommendations based on epidemiologic studies and analytics directly with country ministry of health, federal agencies, and non-profit organizations to inform strategic planning.

University of Illinois, Urbana-Champaign (2019 - 2020)
Postdoctoral Research Fellow/Biostatician

• Designed and led comparative effectiveness studies on the effectiveness of state-level interventions targeting chronic wasting disease using surveillance and registry data.
• Designed and conducted several observational studies to evaluate local- and state-level outcomes of chronic wasting disease intervention strategies using complex survey and surveillance data.
• Led strategic planning meetings and communicated research findings to multiple stakeholders using data visualization tools and presentations.

University of Michigan, Ann Arbor (2013 - 2019)
Doctoral Researcher

• Designed and led multiple longitudinal observational studies focusing on health outcomes related to antimicrobial use in low-resource settings.
• Conducted statistical and geospatial analyses to assess the impact of environmental exposure risks on health outcomes using R and SAS.
• Developed and led qualitative interviews to assess the effectiveness of numerous health promotion strategies.
• Oversaw molecular and microbial laboratory management and specimen processing, ensuring accuracy and reliability of data for research and analysis purposes.

Publications

1. Valenzuela X., Hedman HD, Villagomez A, Cardenas P, Eisenberg JN, Levy K, Zhang L, Trueba G. 2023. Distribution of blaCTX-M-gene variants in E. coli from different origins in Ecuador. Medicine in Microecology, 18, 100092
2. Servellita V, Gonzalez AS, Lamson DM, Foresythe A, Huh HJ, Bazinet AL, Bergman NH, Bull RL, Garcia KY, Goodrich JS, Lovett SP, Parker K, Radune D, Hatada A, Pan C, Rizzo K, Bertumen JB, Morales C, Oluniyi PE, Nguyen J, Tan J, Stryke D, Jaber R, Leslie MT, Lyons Z, Hedman HD, Parashar U, Sullivan M, Wroblewski K, Oberste MS, Tate JE, Baker JM, Sugerman D, Potts C, Lu X, Chhabra P, Pediatric Hepatitis of Unknown Etiology Working Group, Ingram LA, Shiau H, Britt W, Gutierrez Sanchez LH, Ciric C, Rostad CA, Vinjé J, Kirking HL, Wadford DA, Raborn RT, St. George K, Chiu CY. (2023). “Adeno-associated virus type 2 in US children with acute severe hepatitis”. Nature. 1-3
3. Cates J, Baker JM, Almendares O, Kambhampati AK, Burke RM, Balachandran N, Burnett E, Potts CC, Reagan-Steiner S, Kirking HL, Sugerman D, Parashar UD, Tate JE, Hepatitis of Unknown Etiology Group. (2022). “Interim Analysis of Acute Hepatitis of Unknown Etiology in Children Aged <10 Years — United States, October 2021–June 2022”. MMWR. 71:852–858
4. Hedman HD, Zhang L, Butt B, Papias P, Trostle JA, Eisenberg JNS. “Chicken dumping”: Motivations and perceptions in shifting poultry production practices. One Health. 13, 100296
5. Hedman HD, Krawczyk E, Hemy YA, Zhang L, Varga C. Host diversity and potential transmission pathways of SARS-CoV-2 at the human-animal interface. Pathogens. 10, 180.
6. Hedman HD, Chunga SC, Eifler DA, Hanghome GP, Eifler MA. (2021). Microhabitat use of two sympatric geckos, Turner’s Thick-toed Gecko (Chondrodactylus turneri) and the Common Namib Day Gecko (Rhoptropus afer). Journal of Arid Environments. 188, 10448.
7. Hedman HD, Varga C, Duquette J, Novakofski J, Mateus-Pinilla N.E. Food safety considerations related to the consumption and handling of game meat in North America. Veterinary Sciences. 7, 188
8. Hedman HD, Varga C, Brown WM, Shelton P, Roca1 AL, Novakofski1 JE, Mateus-Pinilla1 NE. Spatial analysis of chronic wasting disease in free-ranging white-tailed deer (Odocoileus virginianus) in Illinois, 2008-2019. Transboundary and Emerging Diseases
9. Hedman HD, Vasco K, Zhang L. A review of antimicrobial resistance in poultry farming within low-resource settings. Animals, 10, 1264
10. Hedman HD, Zhang L, Trueba G, Vinueza Rivera DL, Zurita Herrera RA, Villacis Barrazueta J, Gavilanes Rodriguez GI, Butt B, Foufopoulos J, Berrocal VJ, Eisenberg JNS. (2020). Spatial exposure of agricultural antimicrobial resistance in relation to free-ranging domestic chicken (Gallus gallus domesticus) movement patterns among agricultural communities in Ecuador. The American Journal of Tropical Medicine and Hygiene. tpmd200076
11. Hedman HD, Eisenberg JNS, Trueba G, Vinueza Rivera DL, Zurita Herrera RA, Villacis Barrazueta J, Gavilanes Rodriguez GI, Berrocal VJ, Zhang L. (2019). Small-scale chicken farming activity increased antimicrobial-resistant Escherichia coli carriage in backyard chickens and children in rural Ecuador. One Health, 8, 100112
12. Krawczyk E, Foufopoulos J, Hedman HD, Pafilis P, Bergen K. (2019). Effects of Touristic Development on Mediterranean Island Wildlife. Landscape Ecology, 1-16.
13. Hedman HD, Eisenberg JNS, Vasco KA, Blair CN, Trueba G, Berrocal VJ, Zhang L. (2019). High Prevalence of Extended Spectrum Beta-Lactamase CTX-M-Producing Escherichia coli in Small-Scale Poultry Farming in Rural Ecuador. The American Journal of Tropical Medicine and Hygiene, 100, 374-376
14. Guo X, Stedtfeld RD, Hedman HD, Eisenberg JNS, Trueba G, Yin D, Tiedje JM, Zhang L. (2018). Antibiotic Resistome Associated with Small-scale Poultry Production in Rural Ecuador. Environmental Science & Technology, 52, 8165-8172
15. Preston D, Hedman HD, Johnson P. (2018). Nutrient availability and invasive fish jointly drive community dynamics in an experimental aquatic system. Ecosphere, 9:1-15
16. Preston D, Hedman HD, Esfahani E, Pena E, Boland C, Lunde K, Johnson P. (2017). Responses of a wetland ecosystem to the controlled introduction of invasive fish. Fresh Water Biology, 62:1-12
17. Hedman HD, Kapsalas G, Karameta E, Psonis N, Poulakakis N, Foufopouos J, Pafilis P. (2016). First record of Podarcis peloponnesiacus (Bibron & Bory, 1833) from outside the Peloponnese. Herpetozoa, 30:1-3
18. Hedman HD, Hughey M. (2015). Body size, humeral spine size, and aggressive interactions in the Emerald Glass Frog, Espadarana prosoblepon (Anura: Centrolenidae) in Costa Rica. Mesoamerican Herpetology, 1:499-508
19. Deem V, Hedman HD (2014). Potential cannibalism and intraspecific tail autotomization in the Aegean wall lizard, Podarcis erhardii. Hyla, (2014): 33-34
20. Hedman HD. (2013). Vulnerability of aquatic communities to invasive fish regulated by prey size and nutrient availability. CU Scholar Undergraduate Honors Theses, 378, 1-26.
21. Hedman HD, Alvarez HM, Hanghome GP, Eifler M, Eifler D. (2014). Reptiles of the Gobabeb Research and Training Centre. IRCF Reptiles & Amphibians, 21:73-79
22. Orlofske SA, Hedman HD, Jadin RC. (2012). Herpetological ecotourism and conservation: Reserva Amazónica, Perù. IRCF Reptiles & Amphibians, 19:254-262
23. John RR, Hedman HD, Powell R. (2012). Anolis aeneus gray Grenada bush anole. Catalogue of American Amphibians and Reptiles, 887: 892.1-892.11.
24. Hedman HD, Muñiz Pagan DN, Powell R. (2010). Chelonoidis carbonaria (red-footed tortoise): size and thermal biology. Herpetological Review, 41: 484-485
25. Quinn D, McTaggart A, Bellah T, Bentz E, Chambers L, Hedman HD, John R, Muñiz D, Rodríguez M. (2010). The reptiles of Union Island, St. Vincent and the Grenadines. IRCF Reptiles & Amphibians, 17: 223-231