Sara Ekberg, PhD

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Principal Biostatistician

Sara is a biostatistician with over 10 years of experience working with register-based epidemiological research. She joined Red Door Analytics part-time (0.2FTE) in June 2022, and subsequently increased to full time in February 2024. She is also affiliated to the Department of Medicine at Karolinska Institutet, Uppsala University and Lund University. Her research interests include cancer survival and survivorship issues. Sara is also an engaged lecturer with a passion for teaching statistics to non-statisticians.

Education

PhD in Medical Sciences, Karolinska Institutet, Sweden, 2021 with a thesis titled: Long-term survival and survivorship in Non-Hodgkin Lymphoma Patients in Sweden
MSc in Mathematical Statistics, Stockholm University, Sweden, 2011

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Latest News from RDA

Join Us at the Nordic Life Science Days 2025

Meet us at this year’s annual Nordic Life Science Days (NLSDays) in Gothenburg between October 13-14, 2025. The NLSDays are the largest partnering event for the life science industry in the Nordics. This year, both Tommy Pedersen, our Director of Applied Biostatistics, and Dr Sara Ekberg, one of our Principal Biostatisticians, will be on site […]

Meet us at ISPOR EU 2025

Meet us at this year’s annual conference of The Professional Society for Health Economics and Outcomes Research (ISPOR) in Europe held in Glasgow between November 9-12. Our CEO and Director of Statistical Methodology, Dr Michael Crowther, will be presenting a poster on our project Flexible parametric inference for cause-specific hazard competing risks models under interval […]

New Publication in the British Journal of Dermatology

In our latest publication, we used Swedish register data to investigate real-world outcomes in patients with mycosis fungoides or Sézary syndrome. These are two types of cutaneous T-cell lymphomas, a very rare group of malignancies that affect approximately 8 in 1 million people each year—making this a particularly challenging disease to study (Cai et al., […]

Check out the latest Posit interview featuring Alessandro

We are excited to share that Dr Alessandro Gasparini, co-chair of the openstatsware working group, has been featured in the latest Posit blog post. In their interview, he and the other co-chairs of the working group take us behind the scenes of building high-quality, open-source statistical software for biostatistics, and shares why this work matters. […]

Our Contributions to ISCB46: 3 Abstracts, 1 Pre-Conference Course, and 1 Session Chair

We’re excited to announce that our team contributed to this year’s annual conference of the International Society for Clinical Biostatistics (ISCB46) with one pre-conference course, two oral presentations, one poster, and one session chair. These contributions reflect our ongoing work in both methods development and applied biostatistics, highlighting the core areas of our expertise. A special […]

Welcome to Rickard

We are excited to introduce our newest team member, Dr Rickard Strandberg, who is joining us as a Senior Biostatistician. Rickard Strandberg is a Biostatistician with ample experience in working with real world data. Throughout his career, he has collaborated closely with clinical researchers and deeply values their insights – particularly in translating high-quality research […]

Welcome to Tommy

We are excited to introduce our new team member Tommy Pedersen, who is joining us as interim Director of Biostatistics. Tommy is a statistician with many years of experience from leadership roles within big pharmaceutical companies and statistical consultancies. Tommy has a solid foundation in statistics, but has focused most of his career on management […]

Welcome to Baojing

We are excited to introduce our newest team member, Dr Baojing Li, who is joining us as a Biostatistician. Baojing Li is a statistician specialised in register-based research, multigenerational data linkages, and social determinants of health. She has a solid foundation in survival analysis and structural equation modelling. Her research interests include population mental health, […]

Five Posters at EHA25

We’re excited to announce that our team has contributed to five posters being presented at this year’s prestigious European Haematological Association (EHA) annual conference. As haematology is one of our specialist areas, we are especially proud to contribute to this event. A special thanks to Dr Sara Ekberg for her efforts and contributions to these […]

RDA Sponsors the Young Statisticians Meeting 2025 in Liverpool

We are excited to announce that RDA is proudly sponsoring this year’s Young Statisticians Meeting (YSM), taking place in Liverpool. This annual event brings together emerging statisticians from around the world to share knowledge, explore new ideas, and foster professional growth. As a company committed to supporting the next generation of biostatisticians, we are thrilled […]

Join us at this year’s Biostatistics Networking Event at Karolinska Institutet

We are excited to announce that we will be participating in Karolinska Institutet’s Biostatistics Networking Event as both an exhibitor and a presenter. Be sure to stop by our booth to chat about projects where we can lend our expertise or simply to catch up on your latest work! Our CEO and Director of Statistical […]

New Publication in European Urology Oncology

In our latest publication, we used joint models of longitudinal and survival data to study the association between PSA trajectories over time and overall survival in patients with metastatic hormone-sensitive prostate cancer. Previous studies often focus on a single, time-fixed PSA measurement, overlooking how PSA changes over time. By using joint models, we were able to […]