Juan Sebastián Marín Delgado
Mathematical Engineer
Cartagena,BOL
Summary
Mathematical Engineer with 7+ years experience in the Colombian healthcare insurance sector in planning and executing ML projects aimed to understand and quantify health risks, as well as to generate individualized members' health outcomes predictions for health risk management purposes. Strong analytical, leadership and communication skills to translate quantitative results into useful insights for decision making.
Overview
9
9
years of professional experience
2
2
Languages
Work History
Chief Population Health Manager
Coosalud EPS
Cartagena
02.2022 - Current
- Currently developing the population health management capability within the company based on data analytics and machine learning to create value by improving access, delivering better and effective care to the insured population, reducing unnecessary healthcare costs and improving customer experience.
PHM (Population Health Management) Project Leader
Seguros Sura
Medellín
02.2020 - 02.2022
- Contributed to the design and implementation of the transformation strategy of the health risk management processes of the company for all the healthcare populations and business lines in Colombia comprising more than 7 million members, leveraged on the Salesforce-Health Cloud technology platform
- Contributed to the design and implementation of a new health risk management strategy focused on the top-most risky segment of the insured population which proved to reduce their annual average healthcare cost by 10%
- As a result of the transformation done within the project, the productivity of the case and disease management teams increased by 50%
- Contributed to build an analytic platform which integrated 7 different transactional system databases to suggest healthcare actions leveraged on a rule-based engine and ML algorithms.
Health risk management coordinator
Seguros Sura
Medellín
10.2017 - 01.2020
- Designed the statistical methodology and contributed to the implementation of an observational study of more than 100.000 members having Chronic Kidney Disease to assess the impact and cost-effectiveness of the Chronic Kidney Disease Program
- Designed and implemented different models to predict the likelihood of developing Hypertension, Diabetes, Chronic Kidney Disease and Heart Failure within a one year window based on available members' data from multiple data sources (demographics data, EHR data, healthcare services data, labs data, among others)
- The models outcomes helped to correctly identify more than 30.000 people
- Built a risk adjusted model to correct premium imbalances due to risk selection induced by members when selecting their health insurer in the mandatory health insurance context
- The model reduced the undercompensation in high-risk groups by 60% and reduced the overcompensation in low-risk groups by 50%
- Contributed to the automation of several governmental compulsory reports regarding health characteristics and health outcomes of the high-cost and chronic-diseases insured population by using text analytics, increasing the team productivity by 30%.
Healthcare actuarial analyst
Seguros Sura
Medellín
07.2015 - 09.2017
- Conducted various observational studies and statistical analysis using health data of more than 250.000 members and their outcomes to assess and quantify the impact of different health programs and interventions using ML techniques
- Designed and implemented different mathematical models to adjust the members' risk premium based on their risk profiles
- Contributed to the design and economic assessment of an incentive-based wellness program intended to promote healthy lifestyles while generating financial sustainability for the company
- Built different models to quantify and set the adequate reserves level in order to ensure the company solvency.
Revenue Management Analyst
VivaAir
Medellín
02.2015 - 07.2015
- Designed and implemented an optimization model aimed to maximize the total revenue by dynamically allocating the seats inventory depending on the market behavior.
Research intern
Eurekafacts
Rockville
07.2014 - 12.2014
- Implemented a clustering algorithm for segmenting the US Hispanic households
- Conducted different statistical analysis of survey data.
Education
Master of Science - Finance
Universidad EAFIT
Medellín, Colombia 05.2016 - 2017.11
Bachelor of Science - Mathematical Engineering
Universidad EAFIT
Medellín, Colombia 05.2010 - 2015.06
Skills
Programming (R, Matlab, Python)
Additional Information
TEACHING EXPERIENCE
- Lecturer in Statistics and Experimental Design, Universidad EAFIT 09/2019 - 11/2019, Medellín, Colombia
- Lecturer in Advanced Financial Mathematics, Universidad Pedagógica y Tecnológica de Colombia 06/2017 - 10/2019, Tunja, Colombia
- Lecturer in Statistics with R, Universidad EAFIT 05/2018 - 10/2019, Medellín, Colombia
- Lecturer in Introduction to Matlab for Economists, Universidad Pedagógica y Tecnológica de Colombia 08/2017 - 08/2017, Tunja, Colombia
- Lecturer in Quantitative Tools for Research in Finance and Economics, Universidad Pedagógica y Tecnológica de Colombia 06/2017 - 06/2017, Tunja, Colombia
CONFERENCES
- Increased Incidence of Inflammatory Arthritis After COVID-19 in a Colombian Population (11/2023), ACR - San Diego, USA
- A new approach for measuring the cost-effectiveness in Chronic Kidney Disease: Evidences from Colombia (05/2019), ISPOR - New Orleans, USA
- An administrative health data driven score for a health insurance company: A new methodological approach (05/2019), ISPOR - New Orleans, USA
- Cluster Analysis and Risk Scoring of Sura Salud Patients (09/2016), Teradata Partners Conference - Atlanta, USA
PUBLICATIONS
- Marín JS, Mazenett-Granados EA, Salazar-Uribe JC, Sarmiento M, Suárez JF, Rojas M, Munera M, Pérez R, Morales C, Dominguez JI, Anaya JM. Increased incidence of rheumatoid arthritis after COVID-19. Autoimmun Rev. 2023 Oct;22(10):103409. doi: 10.1016/j.autrev.2023.103409. Epub 2023 Aug 18. PMID: 37597602.
- Marín D, Orozco LY, Narváez DM, Ortiz-Trujillo IC, Molina FJ, Ramos CD, Rodriguez-Villamizar L, Bangdiwala SI, Morales O, Cuellar M, Hernández LJ, Henao EA, Lopera V, Corredor A, Toro MV, Groot H, Villamil-Osorio M, Muñoz DA, Hincapié RC, Amaya F, Oviedo AI, López L, Morales-Betancourt R, Marín-Ochoa BE, Sánchez-García OE, Marín JS, Abad JM, Toro JC, Pinzón E, Builes JJ, Rueda ZV. Characterization of the external exposome and its contribution to the clinical respiratory and early biological effects in children: The PROMESA cohort study protocol. PLoS One. 2023 Jan 20;18(1):e0278836. doi: 10.1371/journal.pone.0278836. PMID: 36662732; PMCID: PMC9858469.
Timeline
Chief Population Health Manager
Coosalud EPS
02.2022 - Current
PHM (Population Health Management) Project Leader
Seguros Sura
02.2020 - 02.2022
Health risk management coordinator
Seguros Sura
10.2017 - 01.2020
Master of Science - Finance
Universidad EAFIT
05.2016 - 2017.11
Healthcare actuarial analyst
Seguros Sura
07.2015 - 09.2017
Revenue Management Analyst
VivaAir
02.2015 - 07.2015
Research intern
Eurekafacts
07.2014 - 12.2014
Bachelor of Science - Mathematical Engineering
Universidad EAFIT
05.2010 - 2015.06
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