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Live Online Course – 5th Edition

Bayesian phylogenetic inference with BEAST2

November 30th & December 2nd, 4th, 7th, 9th, and 11th, 2026

Course Overview

Bayesian phylogenetic inference is a powerful tool for reconstructing phylogenies while accounting for complex evolutionary dynamics. It allows prior knowledge to be integrated into the inference, and also provides a detailed picture of the uncertainty present in the dataset. However, the number and complexity of the available models and options can be daunting for users, and can make it difficult to apply inference tools effectively in practice.

In this workshop, participants will learn the theoretical concepts underlying the different models involved in Bayesian phylogenetic inference, and get hands-on experience using these models in BEAST2.

Particular attention will be given to more complex tree models, such as the fossilized birth-death model used to integrate past information into phylogenies, as well as rate-heterogeneous models which allow for variations in evolutionary dynamics across clades. Finally, the course will give practical information on setting up and troubleshooting analyses in BEAST2.

Participants are encouraged to bring their own dataset, as the schedule will include time for applying the concepts discussed in the workshop to their own research questions.

Places are limited to 20 participants.

Programme

The course programme includes lectures and tutorials on the following topics:

  • General introductions and practical information
  • Bayesian inference and the BEAST2 software – Introduction to BEAST2
  • Priors and how to set them
  • Tree priors (birth-death and coalescent processes)
  • Fossilized birth-death process
  • Multi-species coalescent models (StarBEAST)
  • Rate-heterogeneous birth-death models
  • Model selection
  • Troubleshooting and practical tips
  • Final Q&A session
  • Free time for additional tutorials or setting up an analysis with the participants’ own dataset

Dates & Schedule

Online live sessions on November 30th & December 2nd, 4th, 7th, 9th, and 11th, 2026.

From 15:00 to 18:30 (Madrid time zone).

Total course hours: 35; 21 hours of online live lessons, plus 14 hours of participants working independently with tutored exercises.

This course is equivalent to 1 ECTS (European Credit Transfer System). The recognition of ECTS by other institutions depends on each university or school.

Format

This course will be taught using a combination of live (synchronous) sessions on Zoom and tasks to be completed in between live sessions on the Slack platform.

Live sessions will be recorded. However, attendance to the live sessions is required to obtain the course certificate.

This course will be delivered in English.

Instructors

Joëlle Barido-Sottani instructor for Transmitting Science

Dr. Joëlle Barido-Sottani

Ecole Normale Supérieure de Paris
France

Robert Haobo Yuan instructor for Transmitting Science

Robert Haobo Yuan

ETH Zürich
Switzerland

Registration Fees

  • Course Fee
  • Early bird (until July 31st, 2026):
  • 576 €
    (460.8 € for Ambassador Institutions)
  • Regular (after July 31st, 2026):
  • 680 €
    (544 € for Ambassador Institutions)
  • Prices include VAT
    After registration you will receive confirmation of your acceptance on the course.
    Payment is not required during registration. Check discounts here.

Registration

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