Who we are

Dr. Renata Micha is a Registered Dietitian Nutritionist and internationally recognized nutrition scientist and epidemiologist specializing in diet-related chronic diseases and population nutrition. She is Executive Director of TheraVita and an Associate Professor of Nutrition at the University of Thessaly, as well as Adjunct Professor of Nutrition & Epidemiology at Tufts University (Boston, USA). Her work sits at the intersection of nutritional epidemiology, cardiometabolic health, and data-driven decision support—helping partners move from complex evidence to clear, defensible action.

At TheraVita, she sets scientific direction and quality standards across projects—ensuring transparent methods, reproducible workflows, and stakeholder-ready reporting for programs, products, and policies. She has authored 200+ peer-reviewed publications and has led major national and international collaborations that inform guidelines and real-world implementation.

Dr. Stefanos Papadopoulos is an Obstetrician–Gynecologist and Medical Director at TheraVita. He provides clinical governance and medical oversight across projects, supporting protocol review, clinical feasibility, and ethical alignment—so research and analytics outputs translate into safe, implementable solutions in real-world settings.

His work helps ensure that clinical pathways, program designs, and evaluation approaches remain grounded in practical care realities, with appropriate safeguards and responsible interpretation. At TheraVita, he collaborates closely with scientific and clinical teams to strengthen decision-ready deliverables, particularly when projects involve women’s health, maternal care pathways, or clinically integrated health services.

Dr. George Michas is a Cardiologist with additional training in cardiac ultrasound and the management of critically ill cardiac patients. At TheraVita, he serves as Clinical Lead for cardiometabolic health, supporting outcome frameworks, clinical interpretation, and evidence translation into decision-ready outputs for programs, care pathways, and policy contexts.

He helps teams align endpoints and measurement with what matters clinically—ensuring results are interpretable, relevant, and usable for real decisions. His role strengthens how TheraVita connects nutrition evidence to cardiometabolic outcomes, supporting rigorous evaluation across prevention and care delivery settings while maintaining practical

Errika Sakka is a Registered Dietitian–Nutritionist with an MSc in Applied Dietetics. She supports TheraVita projects across evidence-based nutrition programs and real-world implementation, contributing to deliverables that connect research rigor with practical application.

Her work spans dietary surveillance and measurement workflows, evidence synthesis, and stakeholder-ready reporting—helping translate complex nutrition science into clear insights that teams can use. At TheraVita, she contributes to structured documentation, quality checks, and implementation-focused support so outputs are consistent, transparent, and decision-ready across clinical, program, and population contexts.

Evgenia Derdelakou is a Registered Dietitian–Nutritionist with an MSc in Applied Nutrition, supporting TheraVita’s work at the intersection of nutritional epidemiology and advanced analytics. She contributes to dietary data workflows such as harmonization, quality checks, and documentation—ensuring datasets and analyses are reliable, comparable, and audit-ready.

She also supports evidence synthesis and clear, stakeholder-facing reporting, helping translate findings into practical conclusions for clinical care, programs, and policy settings. At TheraVita, her focus is on precision in methods and clarity in outputs—so partners can act with confidence on what the evidence supports.

Natalia Eftaxiopoulou is a Registered Dietitian–Nutritionist with an MSc in Applied Nutrition and Health Promotion, supporting TheraVita’s public health and policy-oriented work. She helps translate nutrition evidence into decision-ready outputs by contributing to evidence synthesis, implementation-focused support, and stakeholder-facing reporting.

Her work emphasizes feasibility and clarity—connecting the “why” of the evidence with practical recommendations that can be applied in institutions, programs, and population health initiatives. At TheraVita, she supports consistent documentation and communication so conclusions are transparent, defensible, and aligned with real-world constraints and equity considerations.

Asimina Avgousti is a licensed Midwife supporting TheraVita’s women’s health and maternal–child work through clinical delivery and implementation-focused support. She brings hands-on experience across childbirth care, postpartum counselling, and neonatal support, contributing to structured education and guidance for families across pregnancy and the postpartum period.

At TheraVita, she helps ensure care pathways and program elements are practical, person-centered, and consistently delivered—supporting high-quality documentation and coordinated follow-up. Her role strengthens the link between evidence-based program design and the day-to-day realities of maternal and newborn care.

Evangelia Mourtzi is a licensed Midwife supporting TheraVita’s maternal and women’s health work across real-world care pathways. She delivers standardized assessments and high-quality clinical documentation—including phlebotomy, intake/history, and key measurements—and helps translate evidence into practical education and support across pregnancy and postpartum care.

At TheraVita, she contributes to consistent, protocol-aligned delivery and implementation support—helping ensure services are reliable, measurable, and feasible for families and care teams. Her work strengthens the foundation for high-quality evaluation and continuous improvement in women’s health and perinatal programs.

Our client support team is available daily to assist with scheduling, respond to enquiries, and coordinate next steps—whether you’re exploring a new project or managing an ongoing engagement. They help ensure a smooth experience across touchpoints, including appointment coordination, logistics, and timely communication.

Working closely with the scientific and clinical team, client support helps maintain clarity, responsiveness, and continuity—so partners and clients always know what to expect and how to move forward efficiently.