Physician trained in internal medicine, clinical epidemiology and cardiovascular research, with extensive experience (18+ years) in design, analysis, and publication of observational studies, randomized clinical trials, and meta-analyses. Fellow of the American College of Cardiology and the European Society of Cardiology. As of August 2023, Dr. Hernandez has 297 peer-reviewed publications in Pubmed, and an H-index of 58. Currently focused on clinical outcomes research, systematic reviews and meta-analyses of cohort studies and randomized controlled trials, clinical practice guidelines using GRADE methodology, and administrative claims database analyses. Topics of expertise in clinical research are cardiovascular diseases (acute coronary syndromes, heart failure, atrial fibrillation, diabetes, obesity, vascular/cardiac surgery), novel oral anticoagulants, venous thromboembolism, peri-operative medicine, obstructive sleep apnea, and HIV-associated infections. Editor of the Cochrane Heart Group, Deputy Statistical Editor of the J Thor Cardiovasc Surg, and Academic Editor of PLoS One. He is reviewer for Ann Intern Med, CID, Int J Cardiol, Eur Heart J, JACC, JAHA, Chest, Heart, JAMA Intern Med, J Clin Epidemiol, Diabetic Med, Cochrane Heart Group, J Thorac Cardiovasc Surg, The Lancet, Thrombosis & Haemostasis, BMJ, Thrombosis J and Diabetologia. Currently is Associate Professor of Comparative Effectiveness and Outcomes Research, University of Connecticut/Hartford Hospital Evidence-based Practice Center, Hartford, CT, USA; and Researcher at the Systematic reviews and meta-analyses, CPG and HTA Unit, Vicerrectorado de Investigación, Universidad San Ignacio de Loyola (USIL), Lima, Peru. Specialties: Epidemiology Clinical Epidemiology Cardiovascular Research Cardiovascular Epidemiology Systematic Reviews and Meta-analysis Network meta-analysis Outcomes Research Comparative Effectiveness Evidence-Based Medicine Clinical Practice Guidelines GRADE methodology Administrative claims database analyses