Profile Details

Create Project

★★★★★

☆☆☆☆☆

USD 50 /hr

★★★★★

☆☆☆☆☆

Hire Dr. Alexandros P.

France

USD 50 /hr

R E S E A R C H , DATA & A N A LY T I C S - H E L AT H C A R E, L I F E S C I E N C E S

Profile Summary

Biomedical Data and AI professional with 12+ years of experience in biostatistics, epidemiology, and real-world evidence. Ph.D. in Biostatistics and Post-Doc in AI with expertise in chronic disease surveillance and FAIR-compliant data integration. Proven track record leading observational RWE studies from design to MVP. Proven track record in MedTech across both GE and Startup, in private and public sectors. Successfully led more than 15 clinical data collection projects within international networks of clinics and hospitals. Coordinating crossfunctional teams across Medical, Regulatory, and Data Science domains. Skilled in statistical modeling, protocol development, and real-world data analytics (EHRs, registries). AI-driven analytics and data visualization tools (R-Shiny and Power BI) to deliver actionable insights for public health and regulatory decision-making.

Subject Matter Expertise

• ★ Biostatistics
• ★ Data Visualization
• ★ Medical Device Validation
• ☆ Data Analysis
• ☆ Predictive Modeling & Analytics
• ☆ Cluster Analysis
• ☆ Big Data Analytics
• ☆ Data Collection
• ☆ Machine Learning
• ☆ Data Cleaning
• ☆ Pattern Recognition
• ☆ Artificial Intelligence
• ☆ Business Analytics
• ☆ Statistics
• ☆ Applied Statistics
• ☆ Comparative Analysis
• ☆ Meta-Analysis
• ☆ Regression Analysis
• ☆ Multivariate Analysis
• ☆ Nonlinear Regression
• ☆ Correlation Analysis
• ☆ Survey Design
• ☆ Study Design
• ☆ Statistical Review
• ☆ Medical Statistics
• ☆ Health Data Analysis
• ☆ SQL
• ☆ Excel
• ☆ R
• ☆ Medical Devices
• ☆ Medical Device Development
• ☆ Wearable Technology
• ☆ Medical Device Prototyping
• ☆ Medical Device Regulatory Consulting
• ☆ European Medical Device Regulation (MDR)
• ☆ Public Health
• ☆ Epidemiology
• ☆ Environmental Epidemiology

Services

• Writing
• Consulting
• Data & AI
• Product Development

Writing Clinical Trial Documentation, Medical Writing, General Proofreading & Editing

Consulting Scientific and Technical Consulting

Data & AI Predictive Modeling, Statistical Analysis, Algorithm Design-Non ML, Algorithm Design-ML, Data Visualization, Big Data Analytics, Data Cleaning, Data Processing, Data Insights

Product Development Product Evaluation, Product Validation, Concept Development, Prototyping

Work Experience

Director of Research

DIGITSOLE

2018 - Present

Senior Data Scientist

Philip Morris International Research and Development Campus Neuchâtel

2017 - 2018

Bio-Statistician

INSERM

2012 - 2016

Professor Of Mathematics

Private School Glyfada

2009 - 2012

Education

Researcher (Post-Doc) (DaSCI - Research Institute in Data Science and Computational Intelligence)

University of Granada

March 2025 - Present

Ph.D (Health and Life science)

Université de Lorraine Faculté des Sciences et Technologies

- 2018

Master 2 "Mathematical Engeeniring and Informatic tools"

Université de Lorraine

- 2015

BSc and MSc "Applied Mathematics" (Faculty of Mathematics)

National and Kapodistrian University of Athens

- 2009

Certifications

• Confidentiality and Data Protection in Health Research

  UKRI - Industrial Decarbonisation Challenge (IDC)

  January 2025 - Present

• Essential Biostatistics For Agchem And Bioscience R&D

  BioScience Academy

  January 2024 - Present

• Regulatory - Clinical Evaluation Report - MEDDEV 2.7/1 Revision 4 and European Regulation 2017/745

  EFOREFOR

  January 2022 - Present

• AI4Health Winter School

  Health Data Hub

  January 2021 - Present

• Agile with Atlassian Jira

  coursera

  January 2020 - Present

• Machine Learning With Big Data

  coursera

  January 2014 - Present

• Statistical methods and new research genes strategies

  INSERM

  January 2013 - Present

Publications

JOURNAL ARTICLE

Alexandros Petrelis, Dimitris Efthymiou, Niki Katsiki, Dimitrios Xipolias Zekakos, Panagiotis Vassiliadis, Emilia Vassilopoulou (2023). Gait Analysis, Metabolic Parameters and Adherence to the Mediterranean Diet in Patients with Type 2 Diabetes Mellitus Compared with Healthy Controls: A Pilot Study . Nutrients.

Gait Alterations in the Prediction of Metabolic Syndrome in Patients With Schizophrenia: A Pilot Study With PODOSmart ® Insoles. @article{PMID:35153872, title = {Gait Alterations in the Prediction of Metabolic Syndrome in Patients With Schizophrenia: A Pilot Study With PODOSmart ® Insoles.}, author = {Efthymiou D and Zekakos DX and Papatriantafyllou E and Ziagkas E and Petrelis AN and Vassilopoulou E}, doi = {10.3389/fpsyt.2022.756600}, journal = {Frontiers in psychiatry}, year = {2022} } . Frontiers in psychiatry.

Alexandros Petrelis, Andreas Loukovitis, Efthymios Ziagkas, Dimitrios Xypolias Zekakos, George Grouios (2021). Test-Retest Reliability of PODOSmart^® Gait Analysis Insoles . Sensors.

(2021). A genetic determinant of VEGF-A levels is associated with telomere attrition . Aging.

Efthymios Ziagkas, Andreas Loukovitis, Dimitrios Xypolias Zekakos, Thomas Duc-Phu Chau, George Grouios, Alexandros Petrelis (2021). A Novel Tool for Gait Analysis: Validation Study of the Smart Insole PODOSmart^® . Sensors.

Tarunveer Ahluwalia, Bram Prins, Mohammadreza Abdollahi, Nicola Armstrong, Stella Aslibekyan, et al.. Genome-Wide Association Study of Circulating Interleukin 6 Levels Identifies Novel Loci. <i>Human Molecular Genetics</i>, Oxford University Press (OUP), 2021, <a target="_blank" href="https://dx.doi.org/10.1093/hmg/ddab023">&#x27E8;10.1093/hmg/ddab023&#x27E9;</a>. <a target="_blank" href="https://hal.univ-lorraine.fr/hal-03177225">&#x27E8;hal-03177225&#x27E9;</a> .

TERC Variants Associated with Short Leukocyte Telomeres: Implication of Higher Early Life Leukocyte Telomere Attrition as Assessed by the Blood-and-Muscle Model @article{toupance:hal-02865555, TITLE = {{TERC Variants Associated with Short Leukocyte Telomeres: Implication of Higher Early Life Leukocyte Telomere Attrition as Assessed by the Blood-and-Muscle Model}}, AUTHOR = {Toupance, Simon and Stathopoulou, Maria and Petrelis, Alexandros and Gorenjak, Vesna and Labat, Carlos and Lai, Tsung-Po and Visvikis-Siest, Sophie and Benetos, Athanase}, URL = {https://hal.univ-lorraine.fr/hal-02865555}, JOURNAL = {{Cells}}, PUBLISHER = {{MDPI}}, VOLUME = {9}, NUMBER = {6}, PAGES = {1360}, YEAR = {2020}, MONTH = Jun, DOI = {10.3390/cells9061360}, KEYWORDS = {telomere length maintenance ; SNPs ; TERC ; atherosclerosis ; cohort studies}, HAL_ID = {hal-02865555}, HAL_VERSION = {v1}, } . Cells.

Gorenjak V, Vance DR, Petrelis AM, Stathopoulou MG, Dad&#233; S, El Shamieh S, Murray H, Masson C, Lamont J, Fitzgerald P, et al.(2019). Correction: Peripheral blood mononuclear cells extracts VEGF protein levels and VEGF mRNA: Associations with inflammatory molecules in a healthy population . PloS one.

(2019). Telomere length determinants in childhood . Clinical chemistry and laboratory medicine.

(2019). Peripheral blood mononuclear cells extracts VEGF protein levels and VEGF mRNA: Associations with inflammatory molecules in a healthy population . PloS one.

(2018). The 9th Santorini Conference: Systems Medicine, Personalised Health and Therapy. "The Odyssey from Hope to Practice", Santorini, Greece, 30 September⁻3 October 2018 . Journal of personalized medicine.

Stathopoulou MG, Xie T, Ruggiero D, Chatelin J, Rancier M, Weryha G, Kurth MJ, Aldasoro Arguinano AA, Gorenjak V, Petrelis AM, et al.(2018). A transnational collaborative network dedicated to the study and applications of the vascular endothelial growth factor-A in medical practice: the VEGF Consortium . Clinical chemistry and laboratory medicine.

Visvikis-Siest S, Aldasoro Arguinano AA, Stathopoulou M, Xie T, Petrelis A, Weryha G, Froguel P, Meier-Abt P, Meyer UA, Mlakar V, et al.(2017). 8th Santorini Conference: Systems medicine and personalized health and therapy, Santorini, Greece, 3-5 October 2016 . Drug metabolism and personalized therapy.

Stathopoulou, M.G., Petrelis, A.M., Buxton, J.L., Froguel, P., Blakemore, A.I.F., Visvikis-Siest, S.(2015). Genetic determinants of leucocyte telomere length in children: A neglected and challenging field . Paediatric and Perinatal Epidemiology. 29. (2). p. 146-150.

CONFERENCE ABSTRACT

(2019). Étude prospective ultrasonique descriptive des veines plantaires : approche morphologique du réservoir veineux de la pompe veineuse plantaire . Journal de Médecine Vasculaire.